CN207132802U

CN207132802U - A kind of tape measure for being provided with involute yardstick disk

Info

Publication number: CN207132802U
Application number: CN201721229560.XU
Authority: CN
Inventors: 尤攀
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-09-25
Filing date: 2017-09-25
Publication date: 2018-03-23
Anticipated expiration: 2027-09-25

Abstract

It the utility model is related to a kind of tape measure, in particular it is a kind of tape measure for being provided with involute yardstick disk, including chi shell, tape measure sheave, slide bar bores frame, top cover, pointer link assembly and latch assembly, the tape measure sheave is rotatably connected in chi shell, the top cover is arranged on the upper end of chi shell, the slide bar cone frame is fixedly connected on the lower end of top cover, one end of the pointer link assembly is hingedly connected on tape measure sheave, the other end of pointer link assembly is slidably connected on slide bar cone frame, the latch assembly is arranged on top cover, the slide bar cone frame is the frustum structure of round-like structure or bus to inner side depression in arc-shaped, the top cover is the transparent configuration with yardstick scale.A kind of tape measure for being provided with involute yardstick disk, tested numerical value can be read on tape measure top cover, tested numerical value can not be read by solving the problems, such as that the scale in tape is easy to wear；Realize while do not increase tape measure size, refined yardstick scale, can more accurately read measured value.

Description

A kind of tape measure for being provided with involute yardstick disk

Technical field

A kind of tape measure is the utility model is related to, is in particular a kind of tape measure for being provided with involute yardstick disk.

Background technology

Traditional tape measure be by scale mark in tape, but in measurement process due to tape stretching and Flexible rule case Body part produces friction, or tape and testee friction in measurement process, often occurs that the scale in tape is smudgy, Ultimately result in the problem of tape measure can not normally read tested numerical value；Thus it is special to set up yardstick scale on tape measure housing, pass through The rotation of tape measure sheave drives pointer to point to the scale on body, solves that the scale in tape is easy to wear can not to read tested numerical value with this The problem of.

Because tape measure carries contractile function, it can retract into automatically in housing, therefore bend tape casing size is smaller, such as adopts The refinement that can not realize size scale with circumferential row cloth length scale marks, and tape measure sheave can carry out multi-turn rotation in measurement Turn, if the size scale arranged using circumference will cause by increasing tape measure sheave it must be made only to revolve the side to turn around Formula reads the function of measured value to realize on tape measure housing；Tape measure number of degrees mode is transferred on housing in order to realize, solved Scale the problem of can not reading tested numerical value easy to wear certainly in tape, and can to the greatest extent may be used while tape measure size is not increased Size scale can be refined, the utility model spy does following optimization design for existing tape measure.

Utility model content

The purpose of this utility model is to provide a kind of tape measure for being provided with involute yardstick disk, can be read on tape measure top cover Tested numerical value is taken, tested numerical value can not be read by solving the problems, such as that the scale in tape is easy to wear；Realize and do not increase tape measure chi While very little, yardstick scale has been refined, can more accurately read measured value.

The purpose of this utility model is achieved through the following technical solutions：

A kind of tape measure for being provided with involute yardstick disk, including chi shell, tape measure sheave, slide bar cone frame, top cover, pointer connecting rod Component and latch assembly, the tape measure sheave are rotatably connected in chi shell, and the top cover is arranged on the upper end of chi shell, the slide bar Cone frame is fixedly connected on the lower end of top cover, and one end of the pointer link assembly is hingedly connected on tape measure sheave, pointer connecting rod The other end of component is slidably connected on slide bar cone frame, and the latch assembly is arranged on top cover, and the slide bar cone frame is round platform To the frustum structure that inner side depression is in arc-shaped, the top cover is transparent material, and yardstick is provided with top cover for shape structure or bus Scale.

As the further optimization of the technical program, a kind of tape measure for being provided with involute yardstick disk of the utility model, institute State and tape mouth and fluted roller shaft are provided with chi shell, the sidewall edge of chi shell is provided with tape mouth, is fixed at the inside center of chi shell Connect fluted roller shaft.

As the further optimization of the technical program, a kind of tape measure for being provided with involute yardstick disk of the utility model, institute Stating tape measure sheave includes sheave wheel body and rotation attached plate, and rotation attached plate is fixedly connected on the upper end of sheave wheel body, the sheave wheel The upper end of body is provided with the locking taper hole of inverted cone shape, and connecting rod base is provided with the madial wall of the rotation attached plate.

As the further optimization of the technical program, a kind of tape measure for being provided with involute yardstick disk of the utility model, institute Stating slide bar cone frame includes cone frame body, annular boss and T-shaped spiral chute, and the upper end of cone frame body is fixedly connected with annular boss, Bore and axis hole is provided with the axle center of frame body, bore and be provided with T-shaped spiral chute, the T-shaped spiral slide on the lateral wall of frame body The top view of groove is in involute shape structure.

As the further optimization of the technical program, a kind of tape measure for being provided with involute yardstick disk of the utility model, institute Stating top cover includes top cover cover plate, graduation mark, locking push-button socket and button cover, is provided with graduation mark on top cover cover plate, graduation mark is in Involute shape is set, and the involute of the graduation mark is in that involute is identical with the top view of T-shaped spiral chute, the top cover lid Locking push-button socket is fixedly connected with the center of the upper surface of plate, the upper end for locking push-button socket is bolted button cover.

As the further optimization of the technical program, a kind of tape measure for being provided with involute yardstick disk of the utility model, institute Stating pointer link assembly includes connecting rod, pointer and T-shaped saddle, and the lower end of connecting rod is fixedly connected with pointer, and the lower end of connecting rod is hinged T-shaped saddle is connected, the upper end of the connecting rod is hingedly connected on connecting rod base, and the T-shaped saddle is slidably connected at T-shaped spiral chute It is interior, the pointer in the vertical direction face graduation mark.

As the further optimization of the technical program, a kind of tape measure for being provided with involute yardstick disk of the utility model, institute Stating latch assembly includes button, button attached plate, check lock lever and spring, and the lower end of the button is fixedly connected with button attached plate, button The lower end of attached plate is fixedly connected with locking bar, and the lower end of check lock lever is in inverted cone structure, and spring is socketed on check lock lever, described Button attached plate gap coordinates in locking push-button socket, and the spring-compressed is between button attached plate and top cover, the button gap Coordinate in button cover, the check lock lever sequentially passes through top cover and slide bar cone frame from top to bottom, and check lock lever is bored with top cover and slide bar Frame is that gap coordinates, and the lower gap of the check lock lever coordinates in locking taper hole.

As the further optimization of the technical program, a kind of tape measure for being provided with involute yardstick disk of the utility model, institute It is Collapsible structure to state connecting rod, and connecting rod includes flexible bridge and inserted link, inserted link and is slidably connected on flexible bridge, the expansion link Frame is hingedly connected on connecting rod base.

As the further optimization of the technical program, a kind of tape measure for being provided with involute yardstick disk of the utility model, institute State the lower end of check lock lever and the inwall of locking taper hole is provided with anti-skid frosted structure.

A kind of tape measure for being provided with involute yardstick disk of the utility model has the beneficial effect that：

A kind of tape measure for being provided with involute yardstick disk of the utility model, slide bar cone frame and pointer link assembly are provided with, Graduation mark is provided with top cover cover plate, tested numerical value can be read on tape measure top cover, the scale solved in tape is easy to wear The problem of tested numerical value can not be read；Graduation mark is set in involute shape, is realized while do not increase tape measure size, refinement Yardstick scale, it can more accurately read measured value；Latch assembly is provided with, when in use can be locked tape measure sheave Tightly, it is easy to measure the progress of work；It is compact-sized and novel, it is easy to wear can effectively to solve the inconvenience of the existing tape measure number of degrees, scale The problems such as.

Brief description of the drawings

The utility model is described in more detail with specific implementation method below in conjunction with the accompanying drawings.

Fig. 1 is the integrally-built half sectional view of the utility model；

Fig. 2 is overall structure diagram one of the present utility model；

Fig. 3 is overall structure diagram two of the present utility model；

Fig. 4 is chi shell structure schematic diagram of the present utility model；

Fig. 5 is tape measure sheave structural representation of the present utility model；

Fig. 6 is slide bar cone frame structural representation one of the present utility model；

Fig. 7 is slide bar cone frame structural representation two of the present utility model；

Fig. 8 is cap structure schematic diagram of the present utility model；

Fig. 9 is the half sectional view of top cover of the present utility model；

Figure 10 is pointer link assembly structural representation of the present utility model；

Figure 11 is bar linkage structure schematic diagram of the present utility model；

Figure 12 is latch assembly structural representation of the present utility model.

In figure：Chi shell 1；Tape mouth 1-1；Fluted roller shaft 1-2；

Tape measure sheave 2；Sheave wheel body 2-1；Lock taper hole 2-1-1；Rotate attached plate 2-2；Connecting rod base 2-2-1；

Slide bar bores frame 3；Bore frame body 3-1；Annular boss 3-2；T-shaped spiral chute 3-3；

Top cover 4；Top cover cover plate 4-1；Graduation mark 4-2；Lock push-button socket 4-3；Button cover 4-4；

Pointer link assembly 5；Connecting rod 5-1；Flexible bridge 5-1-1；Inserted link 5-1-2；Pointer 5-2；T-shaped saddle 5-3；

Latch assembly 6；Button 6-1；Button attached plate 6-2；Check lock lever 6-3；Spring 6-4.

Embodiment

The utility model is described in further detail below in conjunction with the accompanying drawings.

Embodiment one：

With reference to Fig. 1-12 illustrate present embodiment, a kind of tape measure for being provided with involute yardstick disk, including chi shell 1, Tape measure sheave 2, slide bar cone frame 3, top cover 4, pointer link assembly 5 and latch assembly 6, the tape measure sheave 2 are rotatably connected on chi In shell 1, the top cover 4 is arranged on the upper end of chi shell 1, and the slide bar cone frame 3 is fixedly connected on the lower end of top cover 4, the pointer One end of link assembly 5 is hingedly connected on tape measure sheave 2, and the other end of pointer link assembly 5 is slidably connected at slide bar cone frame 3 On, the latch assembly 6 is arranged on top cover 4, slide bar cone frame 3 be round-like structure or bus to inner side depression be in circular arc The frustum structure of shape, the top cover 4 are transparent material, and yardstick scale is provided with top cover 4；During using tape measure, volume is pulled Chi tape measures, and tape drives tape measure sheave 2 to rotate, and tape measure sheave 2 drives pointer link assembly 5 on slide bar cone frame 3 Enter line slip, the length that pointer link assembly 5 stretches with tape points to the yardstick scale on top cover 4, so as to read length real number, Solve the problems, such as that the scale-wearing in tape can not be read；Slide bar cone frame 3 can be cone of the bus to inner side depression in arc-shaped Platform structure, ensure that pointer link assembly 5 will not bore frame 3 with slide bar in sliding process and produce movement interference, and pointer with this Link assembly 5 can also use Collapsible structure, it is also ensured that pointer link assembly 5 will not bore in sliding process with slide bar Frame 3 produces movement interference.

Tape mouth 1-1 and fluted roller shaft 1-2 are provided with the chi shell 1, the sidewall edge of chi shell 1 is provided with tape mouth 1-1, Fluted roller shaft 1-2 is fixedly connected with the inside center of chi shell 1, tape measure sheave 2 is rotatably connected on fluted roller shaft 1-2.

The tape measure sheave 2 includes sheave wheel body 2-1 and rotation attached plate 2-2, and rotation attached plate 2-2 is fixedly connected on sheave wheel Body 2-1 upper end, the upper end of the sheave wheel body 2-1 are provided with the locking taper hole of inverted cone shape

2-1-1, connecting rod base 2-2-1 is provided with the madial wall of the rotation attached plate 2-2, rotation attached plate 2-2 is used to install Pointer link assembly 5, so that pointer link assembly 5 can be synchronous with sheave wheel body 2-1 when being hinged on rotation attached plate 2-2 Rotation, while the other end of pointer link assembly 5 can be slidably connected on slide bar cone frame 3.

The slide bar cone frame 3 includes cone frame body 3-1, annular boss 3-2 and T-shaped spiral chute 3-3, cone frame body 3-1 Upper end be fixedly connected with annular boss 3-2, axis hole is provided with cone frame body 3-1 axle center, on cone frame body 3-1 lateral wall The top view for being provided with T-shaped spiral chute 3-3, the T-shaped spiral chute 3-3 is in involute shape structure.

The top cover 4 includes top cover cover plate 4-1, graduation mark 4-2, locking push-button socket 4-3 and button cover 4-4, top cover cover plate Graduation mark 4-2 is provided with 4-1, graduation mark 4-2 is set in involute shape, involute and the T-shaped spiral slide of the graduation mark 4-2 Groove 3-3 top view is in that involute is identical, and locking push-button socket is fixedly connected with the center of the upper surface of the top cover cover plate 4-1 4-3, locking push-button socket 4-3 upper end are bolted button cover 4-4.

The pointer link assembly 5 includes connecting rod 5-1, pointer 5-2 and company is fixed in T-shaped saddle 5-3, connecting rod 5-1 lower end It is connected to pointer 5-2, connecting rod 5-1 lower end is articulated and connected T-shaped saddle 5-3, and the upper end of the connecting rod 5-1 is hingedly connected to connecting rod base On 2-2-1, the T-shaped saddle 5-3 is slidably connected in T-shaped spiral chute 3-3, the pointer 5-2 in the vertical direction faces Graduation mark 4-2；During measurement, T-shaped saddle 5-3 is slided in T-shaped spiral chute 3-3, pointer 5-2 is changed face graduation mark therewith 4-2 position, length value can be read by looking at pointer 5-2 and graduation mark 4-2 straight, there is the scale mill solved in tape The problem of measured value can not be read when damaging unintelligible.

The latch assembly 6 includes button 6-1, button attached plate 6-2, check lock lever 6-3 and spring 6-4, the button 6-1's Lower end is fixedly connected with button attached plate 6-2, and button attached plate 6-2 lower end is fixedly connected with locking bar 6-3, and check lock lever 6-3 lower end is in Inverted cone structure, spring 6-4 are socketed on check lock lever 6-3, and the button attached plate 6-2 gaps coordinate in locking push-button socket 4- In 3, the spring 6-4 is compressed between button attached plate 6-2 and top cover 4, and the button 6-1 gaps coordinate in button cover 4-4, The check lock lever 6-3 sequentially passes through top cover 4 and slide bar cone frame 3 from top to bottom, and check lock lever 6-3 is with top cover 4 and slide bar cone frame 3 Gap coordinates, and the lower gap of the check lock lever 6-3 coordinates in locking taper hole 2-1-1；Tape measure is generally configured with automatic contraction work Can, contractile function is prior art, usually requires to lock tape when not doing excessive elaboration herein, but measuring, prevents tape Automatic to shrink, the utility model can be such that check lock lever 6-3 is pressed in locking taper hole 2-1-1, with this by pressing button 6-1 Tape measure sheave 2 is locked by realization.

The connecting rod 5-1 is Collapsible structure, and connecting rod 5-1 includes flexible bridge 5-1-1 and inserted link 5-1-2, inserted link 5-1-2 It is slidably connected on flexible bridge 5-1-1, the flexible bridge 5-1-1 is hingedly connected on connecting rod base 2-2-1；Connecting rod 5-1 can To change length with the position of the rotation of tape measure sheave 2 and T-shaped saddle 5-3 on slide bar cone frame 3, ensured with this with tape measure sheave 2 smooth rotations are without interference.

The lower end of the check lock lever 6-3 and locking taper hole 2-1-1 inwall are provided with anti-skid frosted structure, are ensured with this The locking of tape measure sheave 2 is firm.

A kind of tape measure for being provided with involute yardstick disk of the present utility model, its operation principle are：In use, pull tape measure Tape measures, and tape drives tape measure sheave 2 to rotate, and tape measure sheave 2 drives pointer link assembly 5 enterprising in slide bar cone frame 3 Line slip, the length that pointer link assembly 5 stretches with tape point to the yardstick scale on top cover 4, so as to read length real number, solution The problem of certainly scale-wearing in tape can not be read；Slide bar cone frame 3 can be frustum of the bus to inner side depression in arc-shaped Structure, ensure that pointer link assembly 5 will not bore frame 3 with slide bar in sliding process and produce movement interference with this, and pointer connects Bar assembly 5 can also use Collapsible structure, it is also ensured that pointer link assembly 5 will not bore frame in sliding process with slide bar 3 produce movement interference；

During measurement, T-shaped saddle 5-3 is slided in T-shaped spiral chute 3-3, pointer 5-2 is changed face graduation mark 4- therewith 2 position, length value can be read by looking at pointer 5-2 and graduation mark 4-2 straight, there is the scale-wearing solved in tape The problem of measured value can not be read when unintelligible；

The utility model can be such that check lock lever 6-3 is pressed in locking taper hole 2-1-1, with this reality by pressing button 6-1 Now tape measure sheave 2 is locked；

Connecting rod 5-1 can change length with position of the rotation and T-shaped saddle 5-3 of tape measure sheave 2 on slide bar cone frame 3, Ensured with this with the smooth rotation of tape measure sheave 2 without interference.

Certainly, described above is not limitation of the utility model, and the utility model is also not limited to the example above, this skill The variations, modifications, additions or substitutions that the those of ordinary skill in art field is made in essential scope of the present utility model, also belong to In the scope of protection of the utility model.

Claims

1. a kind of tape measure for being provided with involute yardstick disk, including chi shell (1), tape measure sheave (2), slide bar cone frame (3), top cover (4), pointer link assembly (5) and latch assembly (6), it is characterised in that：The tape measure sheave (2) is rotatably connected on chi shell (1) Interior, the top cover (4) is arranged on the upper end of chi shell (1), and the slide bar cone frame (3) is fixedly connected on the lower end of top cover (4), described One end of pointer link assembly (5) is hingedly connected on tape measure sheave (2), and the other end of pointer link assembly (5) is slidably connected On slide bar cone frame (3), the latch assembly (6) is arranged on top cover (4), the slide bar cone frame (3) be round-like structure or For bus to inner side depression in the frustum structure of arc-shaped, the top cover (4) is transparent material, and yardstick quarter is provided with top cover (4) Degree.

A kind of 2. tape measure for being provided with involute yardstick disk according to claim 1, it is characterised in that：The chi shell (1) On be provided with tape mouth (1-1) and fluted roller shaft (1-2), the sidewall edge of chi shell (1) is provided with tape mouth (1-1), chi shell (1) Fluted roller shaft (1-2) is fixedly connected with inside center.

A kind of 3. tape measure for being provided with involute yardstick disk according to claim 1, it is characterised in that：The tape measure sheave (2) sheave wheel body (2-1) and rotation attached plate (2-2) are included, rotation attached plate (2-2) is fixedly connected on the upper of sheave wheel body (2-1) End, the upper end of the sheave wheel body (2-1) is provided with the locking taper hole (2-1-1) of inverted cone shape, described to rotate the interior of attached plate (2-2) Connecting rod base (2-2-1) is provided with side wall.

A kind of 4. tape measure for being provided with involute yardstick disk according to claim 3, it is characterised in that：The slide bar bores frame (3) cone frame body (3-1), annular boss (3-2) and T-shaped spiral chute (3-3) are included, the upper end of cone frame body (3-1) is fixed Annular boss (3-2) is connected, axis hole is provided with the axle center of cone frame body (3-1), is set on the lateral wall of cone frame body (3-1) There is T-shaped spiral chute (3-3), the top view of the T-shaped spiral chute (3-3) is in involute shape structure.

A kind of 5. tape measure for being provided with involute yardstick disk according to claim 4, it is characterised in that：The top cover (4) Including top cover cover plate (4-1), graduation mark (4-2), locking push-button socket (4-3) and button cover (4-4), set on top cover cover plate (4-1) Graduation mark (4-2) is equipped with, graduation mark (4-2) is set in involute shape, involute and the T-shaped spiral slide of the graduation mark (4-2) The top view of groove (3-3) in involute it is identical, be fixedly connected at the center of the upper surface of the top cover cover plate (4-1) locking by Button seat (4-3), the upper end of locking push-button socket (4-3) are bolted button cover (4-4).

A kind of 6. tape measure for being provided with involute yardstick disk according to claim 5, it is characterised in that：The pointer connecting rod Component (5) includes connecting rod (5-1), pointer (5-2) and T-shaped saddle (5-3), and the lower end of connecting rod (5-1) is fixedly connected with pointer (5- 2), the lower end of connecting rod (5-1) is articulated and connected T-shaped saddle (5-3), and the upper end of the connecting rod (5-1) is hingedly connected to connecting rod base (2- On 2-1), the T-shaped saddle (5-3) is slidably connected in T-shaped spiral chute (3-3), pointer (5-2) in the vertical direction Face graduation mark (4-2).

A kind of 7. tape measure for being provided with involute yardstick disk according to claim 5, it is characterised in that：The latch assembly (6) button (6-1), button attached plate (6-2), check lock lever (6-3) and spring (6-4) are included, the lower end of the button (6-1) is fixed Button attached plate (6-2) is connected, the lower end of button attached plate (6-2) is fixedly connected with locking bar (6-3), and the lower end of check lock lever (6-3) is in Inverted cone structure, spring (6-4) are socketed on check lock lever (6-3), and button attached plate (6-2) gap coordinates presses in locking In button seat (4-3), the spring (6-4) is compressed between button attached plate (6-2) and top cover (4), and button (6-1) gap is matched somebody with somebody Close in button cover (4-4), the check lock lever (6-3) sequentially passes through top cover (4) and slide bar cone frame (3), check lock lever from top to bottom (6-3) is that gap coordinates with top cover (4) and slide bar cone frame (3), and the lower gap of the check lock lever (6-3) coordinates in locking cone In hole (2-1-1).

A kind of 8. tape measure for being provided with involute yardstick disk according to claim 6, it is characterised in that：Connecting rod (the 5- 1) it is Collapsible structure, connecting rod (5-1) includes flexible bridge (5-1-1) and inserted link (5-1-2), inserted link (5-1-2) and is slidably connected On flexible bridge (5-1-1), the flexible bridge (5-1-1) is hingedly connected on connecting rod base (2-2-1).

A kind of 9. tape measure for being provided with involute yardstick disk according to claim 7, it is characterised in that：The check lock lever The lower end of (6-3) and the inwall of locking taper hole (2-1-1) are provided with anti-skid frosted structure.