CN209417330U

CN209417330U - Novel grating combination

Info

Publication number: CN209417330U
Application number: CN201821978408.6U
Authority: CN
Inventors: 熊杰男
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-11-28
Filing date: 2018-11-28
Publication date: 2019-09-20
Anticipated expiration: 2028-11-28

Abstract

The utility model discloses a kind of combinations of novel grating, are related to grating technology field, its key points of the technical solution are that: including offering the lenticular lenses of slit, supporting the grating seat of lenticular lenses, through-hole is offered at the lenticular lenses center；The grating seat includes pedestal, shoulder block one and shoulder block two；The pedestal passes through the through-hole, and the outer wall of the pedestal is fixedly connected with the inner wall of the through-hole by glue；The shoulder block one is integrally molded in the side-walls of the pedestal, and the shoulder block one contradicts the side wall of the lenticular lenses；Two integrated injection molding of shoulder block is in the side-walls of the pedestal, and the shoulder block two is parallel to the shoulder block one, and the shoulder block two pushes against the lenticular lenses in the shoulder block one.

Description

Novel grating combination

Technical field

The utility model relates to grating technology field, in particular to a kind of novel grating combination.

Background technique

Grating is the optical device being made of a large amount of wide equidistant parallel slits.

Currently, the Chinese patent that notification number is CN103808336A discloses a kind of split type servo motor encoder of bearing-free Device, including dynamic grating part and circuit supporting part, the dynamic grating part include that glass moves grating and that glass is made is dynamic The dynamic grating seat of grating is machined with motor installation emptying aperture on the dynamic grating seat, and correspondence offers on the side wall of the mounting hole Two lock-screws.But the glass moves grating and could simply rest against on dynamic grating seat, and glass moves the inner wall and dynamic grating seat of grating Outer wall between there are gaps.In this way during using the encoder for servo motor, glass move grating and dynamic grating seat it Between easily relatively move, and the relative movement that glass moves between grating and dynamic grating seat can be to the survey of the encoder for servo motor Amount accuracy affects greatly.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of combination of novel grating, tool There is the advantage that relative movement is not susceptible between lenticular lenses and grating seat.

The above-mentioned technical purpose of the utility model has the technical scheme that a kind of novel grating group It closes, including offering the lenticular lenses of slit, supporting the grating seat of lenticular lenses, offers through-hole at the lenticular lenses center；It is described Grating seat includes pedestal, shoulder block one and shoulder block two；The pedestal passes through the through-hole and contacts at the inner hole wall of the through-hole； The shoulder block one is integrally molded in the side-walls of the pedestal, and the shoulder block one contradicts the side wall of the lenticular lenses；Institute Two integrated injection molding of shoulder block is stated in the side-walls of the pedestal, and the shoulder block two is parallel to the shoulder block one, the shoulder block Two push against the lenticular lenses in the shoulder block one.

Through the above technical solutions, the outer wall of pedestal contacts at the inner hole wall of through-hole, so that lenticular lenses are in use It is not susceptible to transverse shifting；Shoulder block two pushes against lenticular lenses on shoulder block one, so that lenticular lenses are not susceptible in use Axial movement, and be not susceptible to circumferentially rotate.Guarantee that the encoder for servo motor equipped with novel grating combination is measuring with this Accuracy with higher.

Preferably, integrally formed with locating flange on the periphery wall of the lenticular lenses.

Through the above technical solutions, being provided with locating flange in lenticular lenses, install by the new grating combination to servo electricity When on machine encoder, locating flange can play position-limiting action to lenticular lenses, so that the novel grating combines in use not It is easily mobile.

Preferably, the locating flange far from the lenticular lenses end face bending it is arc-shaped, and the center of circle of locating flange with The center of circle of lenticular lenses is overlapped.

Through the above technical solutions, locating flange is arc-shaped and the center of circle of positioning convex ring is overlapped with the center of circle of grating, in this way The locating flange of setting can reinforce the structural strength of lenticular lenses, so that the case where lenticular lenses are not susceptible to crack damage, The service life of the novel compositions grating combination is improved to a certain extent.

Preferably, the angle between the locating flange two sidewalls is 90 degree.

Through the above technical solutions, the novel grating combination materials being arranged in this way are less, production cost is relatively low.

Preferably, the number of the locating flange is two and is symmetrically distributed in grating seat two sides.

Through the above technical solutions, lenticular lenses two sides can effectively be reinforced by being symmetrically distributed in the locating flange of grating seat two sides Structural strength so that the case where lenticular lenses are less prone to rupture.Meanwhile two locating flanges simultaneously to novel grating combine into Row limit, so that novel grating combination is not easily shifted in practical process.

Preferably, location hole is offered in the lenticular lenses.

Through the above technical solutions, can control when by novel grating combination installation to encoder for servo motor Convex block on encoder for servo motor stretches to inside the location hole of lenticular lenses, is positioned with this to novel grating combination, So that novel grating combination is not susceptible to move in use.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of embodiment, is mainly used for showing the composition situation of embodiment；

Fig. 2 is the structural schematic diagram of lenticular lenses, is mainly used for the contour structures of display raster piece；

Fig. 3 is the schematic cross-sectional view of embodiment, is mainly used for the composition situation of display raster seat.

Appended drawing reference: 1, lenticular lenses；2, grating seat；21, pedestal；22, shoulder block one；23, shoulder block two；3, through-hole；4, it positions Flange；5, location hole.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

A kind of novel grating combination, as shown in Figure 1 to Figure 3, including having the lenticular lenses 1 of slit and being used to support grating The grating seat 2 of piece 1.

Orifice shapes are offered at 1 center of lenticular lenses as circular through-hole 3, and the central axis of through-hole 3 and lenticular lenses 1 Central axis is overlapped.Slit is circumferentially uniformly distributed centered on the axis of lenticular lenses 1 in lenticular lenses 1, and slit is close to lenticular lenses 1 Periphery wall side, the integral multiple that the number of slit is 360 in lenticular lenses 1.Location hole 5, and location hole are offered in lenticular lenses 1 5 between through-hole 3 and slit.The locating flange 4 there are two arc, two positioning are integrally formed on the periphery wall of lenticular lenses 1 Flange 4 is symmetrical centered on 1 axis of lenticular lenses, and the center of circle of locating flange 4 is overlapped with the center of circle of lenticular lenses 1, locating flange 4 Two side walls between angle be 90 degree.

Grating seat 2 includes pedestal 21, shoulder block 1 and shoulder block 2 23.Pedestal 21 is cylindrical, and at 21 center of pedestal Coaxially offering orifice shapes is circular mounting hole.Pedestal 21 is passed through from through-hole 3, and the both ends of pedestal 21 protrude from respectively The two sides of lenticular lenses 1, the outer wall of pedestal 21 contact at the inner wall of through-hole 3.One 22 integrated injection molding of shoulder block is in the side of pedestal 21 Wall, and shoulder block 1 contacts at the outer wall of lenticular lenses 1.2 23 integrated injection molding of shoulder block is in the side-walls of pedestal 21, and shoulder block 2 23 push against lenticular lenses 1 on shoulder block 1.

When producing to novel grating combination, lenticular lenses 1 are placed in the mould inside pre-set, mould first The die cavity for forming grating seat 2 is offered in tool；Backward mold cavity injection injection molding liquid；It is full of when die cavity is injection molding liquid When, static cooling；When the grating seat 2 of mold cavity is cooled and shaped, the novel grating combination that need to will only form completion, which is taken out, is It can.

The above is only the exemplary embodiment of the utility model, the protection model rather than limited the present invention It encloses, the protection scope of the utility model is determined by the attached claims.

Claims

1. a kind of novel grating combination, including offering the lenticular lenses (1) of slit, supporting the grating seat (2) of lenticular lenses (1), It is characterized in: offers through-hole (3) at lenticular lenses (1) center；The grating seat (2) includes pedestal (21), shoulder block one (22) And shoulder block two (23)；The pedestal (21) passes through the through-hole (3) and contacts at the inner hole wall of the through-hole (3)；The gear Shoulder one (22) integrated injection molding is in the side-walls of the pedestal (21), and the shoulder block one (22) contradicts the lenticular lenses (1) Side wall；Shoulder block two (23) integrated injection molding is in the side-walls of the pedestal (21), and the shoulder block two (23) is parallel In the shoulder block one (22), the shoulder block two (23) pushes against the lenticular lenses (1) in the shoulder block one (22).

2. novel grating according to claim 1 combination, it is characterized in that: on the periphery wall of the lenticular lenses (1) integrally at Type has locating flange (4).

3. novel grating combination according to claim 2, it is characterized in that: the locating flange (4) is far from the lenticular lenses (1) end face bending is arc-shaped, and the center of circle of locating flange (4) is overlapped with the center of circle of lenticular lenses (1).

4. novel grating combination according to claim 2, it is characterized in that: the folder between the locating flange (4) two sidewalls Angle is 90 degree.

5. novel grating according to claim 2 combination, it is characterized in that: the number of the locating flange (4) be two and It is symmetrically distributed in grating seat (2) two sides.

6. novel grating combination according to claim 1, it is characterized in that: offering location hole in the lenticular lenses (1) (5)。