CN219380024U

CN219380024U - Grating ruler shell easy to assemble

Info

Publication number: CN219380024U
Application number: CN202222255799.1U
Authority: CN
Inventors: 杨子霞; 张琼月; 黄远珍; 阳丽君
Original assignee: Guangzhou Xinnuo Grating Digital Display Co ltd
Current assignee: Guangzhou Xinnuo Grating Digital Display Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2023-07-21
Anticipated expiration: 2032-08-24

Abstract

The utility model relates to an easily assembled grating ruler shell, which comprises a ruler shell body, wherein the ruler shell body is of a U-shaped structure and comprises a first vertical beam, a second vertical beam and a middle cross beam, the first vertical beam and the second vertical beam are symmetrically arranged, a limit flange is arranged at the top of the first vertical beam, first sliding grooves are respectively arranged on the limit flanges, each first sliding groove is provided with a first arc-shaped position and a second arc-shaped position, limit grooves which are symmetrically arranged are arranged on the middle cross beam, and positioning arcs are arranged at the tail ends of the limit grooves. The strength of the top of the ruler shell body is enhanced through the limit flange, so that the ruler shell can keep higher strength when assembling the parts; simultaneously, pass the side cap of adaptation chi shell through self-tapping screw locking, lock respectively to second arc position and spacing recess on, spacing recess has certain suitability, and the user of being convenient for adjusts actual connection position according to the assembly condition, improves assembly efficiency.

Description

Grating ruler shell easy to assemble

Technical Field

The utility model relates to a ruler shell, in particular to an easily assembled grating ruler shell.

Background

Grating scales are commonly used measuring devices in closed loop servo systems of numerically controlled machine tools, also known as grating scale displacement sensors, which are commonly used to detect linear or angular displacements. The method utilizes the optical principle of the grating to carry out measurement and feedback in operation, and has the advantages of large detection range, high detection precision and high response speed. The grating ruler is internally provided with a scale grating serving as a detection reference, and in order to keep the scale grating stable in the working process, a ruler shell with a specific structure is required to assemble and limit the scale grating.

In the grating scale shell easy to position disclosed in the applicant's existing utility model patent (publication number: CN 213179876U), the grating scale shell structure is reinforced by symmetrically arranging the limit flanges and the first reinforcing flanges on the top of the scale shell body, however, when the grating scale shell is assembled, the grating scale shell can be assembled only by aligning the positions of the first through hole and the second through hole, so that the complexity of assembly work is increased, and the assembly efficiency is lower.

Disclosure of Invention

In order to overcome the technical defect of lower assembly efficiency caused by higher complexity of the assembly work of the prior ruler shell, the utility model provides an easily positioned grating ruler shell.

In order to solve the problems, the utility model is realized according to the following technical scheme:

the utility model relates to an easily assembled grating ruler shell, which comprises a ruler shell body, wherein the ruler shell body is of a U-shaped structure and comprises a first vertical beam, a second vertical beam and a middle cross beam, the first vertical beam and the second vertical beam are symmetrically arranged, a limit flange is arranged at the top of the first vertical beam, first sliding grooves are respectively arranged on the limit flanges, each first sliding groove is provided with a first arc-shaped position and a second arc-shaped position, limit grooves which are symmetrically arranged are arranged on the middle cross beam, and the tail ends of the limit grooves are provided with positioning arcs.

Further, the first chute is a reducing groove and comprises a first diameter groove and a second diameter groove which are communicated, the first arc-shaped position is arranged at the communicated position of the first diameter groove and the second diameter groove, and the second arc-shaped position is arranged at the tail end of the second diameter groove.

Further, the inclination angle of the second radial groove in the vertical direction is 40 degrees.

Further, the tops of the first vertical beam and the second vertical beam are provided with reinforcing flanges, and the inclination angle of the lower sides of the reinforcing flanges in the horizontal direction is 15 degrees.

Further, an installation part is arranged between the two limiting grooves of the middle cross beam, and the installation part is used for installing the grating.

Further, the mounting portion includes a mounting groove and a support flange provided at one side of the mounting groove.

Further, a groove is formed in the bottom of the mounting groove, and the groove is formed in one side of the support flange.

Further, the groove is a triangular groove, and the inclined side and the bottom of the mounting groove form an included angle of 50 degrees.

Further, the ruler shell body is an aluminum profile shell.

Compared with the prior art, the utility model has the beneficial effects that:

the strength of the top of the ruler shell body is enhanced through the limit flange, so that the grating ruler shell can keep higher strength when assembling the parts; simultaneously, pass the side cap of adaptation chi shell through self-tapping screw locking, lock respectively to second arc position and spacing recess on, spacing recess has certain suitability, and the user of being convenient for adjusts actual connection position according to the assembly condition, improves assembly efficiency.

Drawings

The utility model is described in further detail below with reference to the attached drawing figures, wherein:

FIG. 1 is a schematic cross-sectional view of one embodiment of a grating scale according to the present utility model;

FIG. 2 is a schematic diagram of a second embodiment of a grating scale according to the present utility model;

FIG. 3 is a third enlarged view of a portion of the grating scale of the present utility model at E in FIG. 1;

fig. 4 is a close-up view of the grating scale of the present utility model at F in fig. 2.

In the figure:

10-a ruler shell body, 11-a first vertical beam, 12-a second vertical beam and 13-a middle cross beam;

11 a-limit flange,

111-a first chute, 111 a-a first arc position, 111 b-a second arc position;

12 a-reinforcing flange, 131-limit groove;

13 a-mounting portion, 132-mounting slot, 133-support flange;

1321-grooves.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

As shown in fig. 1-4, a preferred construction of an easily assembled grating scale according to the present utility model.

As shown in fig. 1, 3 and 4, the grating scale shell easy to assemble comprises a scale shell body 10, wherein the scale shell body 10 is of a U-shaped structure and comprises a first vertical beam 11, a second vertical beam 12 and a middle cross beam 13, the first vertical beam 11 and the second vertical beam 12 are symmetrically arranged, a limit flange 11a is arranged at the top of the first vertical beam 11, a first sliding groove 111 is arranged on the limit flange 11a, a first arc-shaped position 111a and a second arc-shaped position 111b are arranged on the first sliding groove 111, the first arc-shaped position 111a is used for fixing a dustproof adhesive tape, and the second arc-shaped position 111b is used for being connected with side covers on two sides of the grating scale; the middle cross beam 13 is provided with limit grooves 131 which are symmetrically arranged, and the tail end of each limit groove 131 is provided with a positioning arc. The strength of the top of the ruler shell is enhanced through the limit flange 11a, so that the ruler shell can keep higher strength when assembling parts; meanwhile, the side cover penetrating through the adaptive ruler shell is locked through the tapping screw, the side cover is respectively locked to the second arc-shaped position 111b and the limiting groove 131, the limiting groove 131 has certain adaptability, a user can conveniently adjust the actual connection position according to the assembly condition, and the assembly efficiency is improved.

The first sliding groove 111 is a reducing groove, and comprises a first diameter groove and a second diameter groove which are communicated, the first arc-shaped position 111a is arranged at the communicated position of the first diameter groove and the second diameter groove, and the second arc-shaped position 111b is arranged at the tail end of the second diameter groove. By arranging the reducing groove structure, the forming difficulty in the extrusion processing process of the grating ruler shell is reduced, the precision processing technology after forming is reduced, and the production cost is reduced.

The inclination angle of the second radial groove in the vertical direction is 40 degrees. The advantage of this setting lies in, and slope form sets up the second footpath groove on limit flange 11a, can guarantee limit flange 11a overall structure intensity, avoids reducing the intensity of first vertical beam 11 and second vertical beam 12 because of the too big groove depth of first spout to keep stable in subsequent assembly process, prevent to lead to vertical beam rupture because the atress is uneven, improved the security of assembly work.

The top of the first vertical beam 11 and the second vertical beam 12 is provided with a reinforcing flange 12a, and the inclination angle of the lower side of the reinforcing flange 12a in the horizontal direction is 5-15 degrees.

In one embodiment, the reinforcing flange 12a is disposed at the lower side of the limit flange 11a, the reinforcing flange 12a and the limit flange 11a form a second chute, and the slidable component for assembling the grating scale is typically a pulley, specifically, the second chute is a reducing groove, the bottom of the second chute is arc-shaped, and the slidable component of the grating scale is limited, so that the slidable component of the grating scale can only slide in the second chute and cannot be separated from the second chute, and a port of the second chute is in a bevel shape.

The utility model creatively provides a mounting part 13a between the two limiting grooves 131 on the middle beam 13, wherein the mounting part 13a is used for mounting the scale grating. Under the action of gravity, the scale grating of the grating ruler is vertically arranged, so that stability is kept in the subsequent assembly process, the scale grating is prevented from being broken due to uneven stress, and the safety of assembly work is improved.

As shown in fig. 2, the mounting portion 13a of the present utility model includes a mounting groove 132 and a support flange 133, and the support flange 133 is disposed at one side of the mounting groove 132. By providing the support flange 133, the sides of the bottom of the scale grating can be kept in sufficient contact surface.

The utility model is creatively provided with a groove 1321 at the bottom of the mounting groove 132, wherein the groove 1321 is used for arranging an elastic piece for pressing the scale grating, and the groove 1321 is arranged at one side of the supporting flange 133. By providing the elastic member in the groove 1321, only one corner of the scale grating is prevented from contacting the mounting groove 132 due to shaking during the assembly process, and occurrence of stress concentration is reduced. Wherein, the elastic piece is a rubber elastic piece, which is provided with a clamping groove adapted to the scale grating and is fixed in the mounting groove 132 through elastic deformation.

The groove 1321 is a triangular groove, and the inclined side forms an included angle of 50 degrees with the bottom of the mounting groove 132. By providing the groove 1321, the elastic deformation amount of the elastic member can be expanded into the groove 1321, thereby achieving a better fixing effect.

The utility model creatively provides the ruler shell body which is an aluminum profile shell. The aluminum profile shell structure is adopted, the extruded aluminum profile is cut and processed, and the processing technology is simple and convenient to produce.

The utility model relates to an easily assembled grating ruler shell, which has the working principle that:

the strength of the top of the ruler shell body is enhanced through the limit flange 11a, so that the ruler shell can keep higher strength when assembling the parts; meanwhile, the side cover penetrating through the adaptive ruler shell is locked through the tapping screw, the side cover is respectively locked to the second arc-shaped position 111b and the limiting groove 131, the limiting groove 131 has certain adaptability, a user can conveniently adjust the actual connection position according to the assembly condition, and the assembly efficiency is improved.

Other constructions of an easily assembled grating scale according to this embodiment are known in the art.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements.

In the description of the present utility model, it should be understood that the terms "center," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the positional and azimuthal relationships shown in the drawings, are merely for convenience in describing the simplified description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The present utility model is not limited to the preferred embodiments, and any modifications, equivalent variations and modifications made to the above embodiments according to the technical principles of the present utility model are within the scope of the technical proposal of the present utility model.

Claims

1. An easily assembled grating ruler shell comprises a ruler shell body (10), and is characterized in that: the ruler shell body (10) is U-shaped and comprises a first vertical beam (11), a second vertical beam (12) and a middle cross beam (13),

the first vertical beam (11) and the second vertical beam (12) are symmetrically arranged, a limit flange (11 a) is arranged at the top of the first vertical beam (11), a first sliding groove (111) is arranged on the limit flange (11 a), a first arc-shaped position (111 a) and a second arc-shaped position (111 b) are arranged on the first sliding groove (111), and the first arc-shaped position (111 a) is used for fixing a dustproof adhesive tape;

the middle cross beam (13) is provided with limit grooves (131) which are symmetrically arranged, and the tail ends of the limit grooves (131) are provided with positioning arcs.

2. An easily assembled grating scale according to claim 1, wherein,

the first sliding groove (111) is a reducing groove and comprises a first diameter groove and a second diameter groove which are communicated, the first arc-shaped position (111 a) is arranged at the communicated position of the first diameter groove and the second diameter groove, and the second arc-shaped position (111 b) is arranged at the tail end of the second diameter groove.

3. An easily assembled grating scale according to claim 2, wherein,

the inclination angle of the second radial groove in the vertical direction is 40 degrees.

4. An easily assembled grating scale according to claim 1, wherein,

the tops of the first vertical beam (11) and the second vertical beam (12) are provided with reinforcing flanges (12 a), and the inclination angle of the lower sides of the reinforcing flanges (12 a) in the horizontal direction is 5-15 degrees.

5. An easily assembled grating scale according to claim 1, wherein,

an installation part (13 a) is arranged between the two limiting grooves (131) on the middle cross beam (13), and the installation part (13 a) is used for installing the scale grating.

6. An easily assembled grating scale according to claim 5, wherein,

the mounting portion (13 a) includes a mounting groove (132) and a support flange (133), and the support flange (133) is provided on one side of the mounting groove (132).

7. An easily assembled grating scale according to claim 6, wherein,

the bottom of mounting groove (132) is equipped with slot (1321), slot (1321) are used for setting up the elastic component that spring scale grating, slot (1321) set up in one side of supporting flange (133).

8. An easily assembled grating scale according to claim 7, wherein,

the grooves (1321) are triangular grooves.

9. An easily assembled grating scale according to claim 1, wherein,

the ruler shell body (10) is an aluminum profile shell.