CN110186378B - Grating ruler - Google Patents
Grating ruler Download PDFInfo
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- CN110186378B CN110186378B CN201910594658.2A CN201910594658A CN110186378B CN 110186378 B CN110186378 B CN 110186378B CN 201910594658 A CN201910594658 A CN 201910594658A CN 110186378 B CN110186378 B CN 110186378B
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- elastic
- clamping
- fixing
- ruler
- ruler shell
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
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- General Physics & Mathematics (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a grating ruler, which comprises a ruler shell and a trolley device arranged on the ruler shell; the fixing device is arranged on the ruler shell and used for fixing the position of the trolley device during non-operation, and the fixing device comprises fixing pieces which are oppositely arranged at two ends of the trolley device along the length direction of the ruler shell; a set of clamping parts are oppositely arranged on any fixing part along the width direction of the ruler shell, the ruler shell is provided with clamping grooves which are in one-to-one correspondence with the clamping parts, and the fixing part is provided with elastic fastening parts which are used for being matched with the clamping parts and fastening the clamping parts and the clamping grooves. The grating ruler provided by the invention has the advantages that the trolley can be fixed in the transportation process, the relative position between the trolley device and the ruler shell is ensured, the relative movement and collision are avoided, the completeness of the ruler shell structure is ensured, holes do not need to be drilled on the ruler shell, the mounting and dismounting of the fixing part are convenient, the structure is simple, and the labor cost is reduced.
Description
Technical Field
The invention relates to the technical field of precision instrument measurement, in particular to a grating ruler.
Background
In the field of precision measurement and automatic control, the grating is adopted as a reference, and is internationally recognized as the most practical, economic and reliable technical solution for obtaining high precision. The grating ruler measuring mechanism is a representative product for realizing the method, and is widely applied to various numerical control machines, electromechanical equipment and automatic measuring equipment.
Because present grating chi measuring mechanism generally adopts self-adaptation structure, so need carry out certain protection to whole mechanism in the transportation, transportation fixing device guarantees the fixing device of relative position between reading head and the blade in the transportation, uses the transportation mounting can be in the transportation under external environment such as the external environment and under our technical condition of setting for, protection grating chi. The device avoids the damage of elements caused by the movement of the trolley device, influences the measurement precision of the grating ruler, and is convenient to debug during installation due to the fact that the interval system is determined. In the traditional transportation fixing device, a threaded hole is drilled in the ruler shell, and the fixing device is fixed on the ruler shell through the threaded hole, so that the structure of the ruler shell is damaged, the processing cost and time are increased, and the ruler shell is inconvenient to assemble and disassemble; or too complicated, increases the processing cost and is not beneficial to operation.
Disclosure of Invention
In view of this, the present invention provides a grating ruler to solve the problem that the conventional grating ruler causes the component damage due to the movement of the dolly device during transportation.
In order to achieve the purpose, the invention provides the following technical scheme:
a grating scale comprising:
the ruler shell and the trolley device arranged on the ruler shell;
the fixing device is arranged on the ruler shell and used for fixing the position of the trolley device during non-operation, and the fixing device comprises fixing pieces which are oppositely arranged at two ends of the trolley device along the length direction of the ruler shell;
a set of clamping pieces are oppositely arranged on any fixing piece along the width direction of the ruler shell, the ruler shell is provided with clamping grooves which are in one-to-one correspondence with the clamping pieces, and the fixing piece is provided with elastic fastening pieces which are used for being matched with the clamping pieces and fastening the clamping pieces and the clamping grooves.
Optionally, a limiting assembly is arranged at one end of the fixing member, which is in contact with the trolley device, the trolley device is fixed to the fixing member by the limiting assembly, and a limiting groove which is matched with the limiting assembly to achieve fixing is formed in the trolley device.
Optionally, the bottom of the fixing member is provided with a limiting table for extending to the bottom of the trolley device to adjust a gap between the trolley device and the ruler shell, and the trolley device is provided with a limiting recess for matching with the limiting table.
Optionally, counter bores are respectively formed in the oppositely arranged fixing pieces, the fixing device further comprises locking hooks, two ends of each locking hook are respectively connected with the counter bores in an inserting and locking mode, and the locking hooks are matched with the counter bores to fix the trolley device and the fixing pieces along the length direction of the ruler shell.
Optionally, one end of the elastic fastener is fixed to the fixing piece, the other end of the elastic fastener is provided with an elastic portion capable of elastically deforming, the top end of the elastic portion is provided with a clamping groove matched with the clamping piece, the clamping piece is arranged on the outer side of the elastic portion, the clamping groove is formed in the inner wall of the ruler shell, and the elastic portion outwards expands to be fixed in a tensioning mode between the clamping piece and the clamping groove.
Optionally, elastic fastener sets up along vertical direction, elastic component with be equipped with the elasticity expansion chamber between the mounting, elastic fastener includes two elasticity subdivisions that set up along central line bilateral symmetry, elastic fastener still includes from last to running through down the mounting and respectively with the retaining member of the inner wall contact of elasticity subdivision, the retaining member from last to remove down so that the outside expansion of elasticity subdivision is right the joint spare with tight fixed rising between the draw-in groove.
Optionally, the clamping groove is horizontally arranged outwards along the vertical center line of the ruler shell, and the two sides of the outer wall of the fixing piece are provided with handheld depressions used for extruding the elastic sections to disassemble and assemble the clamping piece and the clamping groove.
Optionally, two joint spare is located respectively the diapire of mounting just opening leanin between the joint spare sets up, the mounting is including being used for installing one the free portion of joint spare, free portion with the mounting warp elastic fastener connects, elastic fastener with the mounting is fixed, in order to drive one the joint spare is realized and is overturn from top to bottom, adjust two open distance between the joint spare is right the joint spare with carry out dismouting and pressure adjustment between the draw-in groove.
Optionally, elastic fastener is provided with the elasticity expansion chamber of expanding to upper and lower both sides along the horizontal direction, elasticity expansion chamber will elastic fastener falls into two elasticity subsections along the horizontal direction, elasticity expansion intracavity be equipped with be used for with the retaining member of the inner wall contact of elasticity subsection, the retaining member link up the free portion, the retaining member is along the horizontal direction from outer to removing, so that the outside expansion of elasticity subsection is right the joint spare with the draw-in groove rises to rise fixedly.
Optionally, one end of the fixing part, which is far away from the free part, is provided with a positioning protrusion used for being matched with the ruler shell to form a rotating shaft along the length direction, so as to drive the fixing part to realize vertical overturning and to realize mounting and positioning of the clamping part and the clamping groove.
The grating ruler provided by the invention comprises a ruler shell and a trolley device arranged on the ruler shell; the fixing device is arranged on the ruler shell and used for fixing the position of the trolley device during non-operation, and the fixing device comprises fixing pieces which are oppositely arranged at two ends of the trolley device along the length direction of the ruler shell; a set of clamping parts are oppositely arranged on any fixing part along the width direction of the ruler shell, the ruler shell is provided with clamping grooves which are in one-to-one correspondence with the clamping parts, and the fixing part is provided with elastic fastening parts which are used for being matched with the clamping parts and fastening the clamping parts and the clamping grooves.
By applying the grating ruler provided by the invention, the fixing parts are arranged at the two ends of the trolley along the direction of the ruler shell, the clamping parts are arranged on the fixing parts along the width direction of the ruler shell, the clamping parts are matched with the clamping grooves arranged on the ruler shell, and the clamping parts and the clamping grooves are clamped by arranging the elastic fastening parts, so that the trolley device is fixed on the ruler shell through the fixing parts at the two ends, and therefore, the trolley can be fixed in the transportation process, the relative position between the trolley device and the ruler shell is ensured, relative movement and collision are avoided, the structure integrity of the ruler shell is ensured, holes do not need to be punched on the ruler shell, the fixing parts are convenient to assemble and disassemble, the structure is simple, and the labor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a grating scale according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a fixing member according to a first embodiment of the present invention;
FIG. 3 is a schematic side view of a cart assembly according to a first embodiment of the present invention;
FIG. 4 is a schematic view of the partial cross-sectional structure of FIG. 1;
FIG. 5 is a schematic view of a portion of the enlarged structure of FIG. 1;
fig. 6 is a schematic structural diagram of a grating scale according to a second embodiment of the present invention;
FIG. 7 is a schematic structural view of a fixing member according to a second embodiment of the present invention;
FIG. 8 is a schematic view of a mounting structure of a hand-held recess according to a second embodiment of the present invention;
FIG. 9 is a sectional view of the mount provided by a second embodiment of the invention;
fig. 10 is a partially enlarged schematic view of fig. 6.
The drawings are numbered as follows:
Detailed Description
The embodiment of the invention discloses a grating ruler, which aims to solve the problem that a dolly device moves to damage an element in the transportation process of the conventional grating ruler.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and fig. 6, fig. 1 is a schematic structural diagram of a grating ruler according to a first embodiment of the present invention; fig. 6 is a schematic structural diagram of a grating scale according to a second embodiment of the present invention.
In a specific embodiment, the grating ruler comprises a ruler shell 3 and a trolley device 2 arranged on the ruler shell; the prior art can be referred to in the position and connection relation of the ruler shell 3 and the trolley device 2, and the slide way arrangement mode of the ruler shell 3 can be preferably slide ways symmetrically arranged along two sides of the vertical central line of the ruler shell 3 or a slide way arranged on one side of the ruler shell 3, and the slide ways can be arranged as required.
The fixing device is arranged on the ruler shell 3 and used for fixing the position of the trolley device 2 in non-operation, and the fixing device comprises fixing pieces 1 which are oppositely arranged at two ends of the trolley device 2 along the length direction of the ruler shell 3; when the trolley device 2 does not work, for example, the whole device is protected in the transportation process, so that the relative position between the reading head and the ruler shell 3 is ensured to be fixed, and the phenomenon that the trolley device 2 moves to damage elements and influence the measurement precision of the grating ruler is avoided. The fixing parts 1 are respectively arranged at two ends of the trolley device 2 along the length direction of the ruler shell 3, in one embodiment, positioning devices such as plug-in components can be respectively arranged on the trolley device 2 and the fixing parts 1, so that the trolley device 2 and the fixing parts 1 form a whole, and then the trolley device 2 is fixed relative to the ruler shell 3 through the matching of the clamping parts 13 and the clamping grooves 12.
A set of clamping pieces 13 are oppositely arranged on any fixing piece 1 along the width direction of the ruler shell 3, the ruler shell 3 is provided with clamping grooves 12 which are in one-to-one correspondence with the clamping pieces 13, and the fixing piece 1 is provided with elastic fastening pieces 11 which are used for being matched with the clamping pieces 13 and adjusting the pressure between the clamping pieces 13 and the clamping grooves 12. The two clamping pieces 13 are arranged at the two ends of the fixing piece 1 along the width direction of the ruler shell 3, the clamping pieces 13 are preferably clamping bulges, the clamping bulges and the fixing piece 1 are integrally arranged or fixed through bonding, the specific structures of the clamping bulges and the clamping grooves 12 can be automatically arranged, and the elastic fastening pieces 11 can be specifically elastic structures which can generate elastic deformation, such as spring pieces, rubber and the like, in one embodiment, the inner walls of the two sides of the ruler shell 3 are respectively provided with a clamping groove 12, the notches of the clamping grooves 12 are oppositely arranged and are positioned on the same horizontal plane, a spring leaf is arranged between the fixing piece 1 and the clamping piece 13, the top of the spring piece is provided with the clamping piece 13, the spring piece rebounds outwards, the pressure of the clamping piece 13 and the clamping groove 12 at the top is increased through resilience force, and the fixing part 1 is fixed on the ruler shell 3, and the fixing part is only a preferred embodiment.
By applying the grating ruler provided by the invention, the fixing parts 1 are arranged at the two ends of the trolley along the direction of the ruler shell 3, the clamping parts 13 are arranged on the fixing parts 1 along the width direction of the ruler shell 3, the clamping parts 13 are matched with the clamping grooves 12 arranged on the ruler shell 3, and the clamping parts 13 and the clamping grooves 12 are clamped by arranging the elastic fasteners 11, so that the trolley device 2 is fixed on the ruler shell 3 through the fixing parts 1 at the two ends, therefore, the trolley can be fixed in the transportation process, the relative position between the trolley device 2 and the ruler shell 3 is ensured, the relative movement and collision are avoided, the completion of the structure of the ruler shell 3 is ensured, the punching on the ruler shell is not required, the mounting part 1 is convenient to mount and demount, the structure is simple, and the labor cost.
In one embodiment, as shown in fig. 2 and 6, a limiting component is arranged at one end of the fixing member 1, which is in contact with the trolley device 2, the trolley device 2 is fixed with the fixing member 1 by the limiting component, and a limiting groove 10 which is matched with the limiting component to realize fixing is arranged on the trolley device 2. Spacing subassembly preferably is spacing arch 6, and spacing arch 6 sets up with 1 integral type of mounting, and spacing arch 6 is preferably protruding for the cylinder or the cuboid is protruding, and spacing arch 6's number is preferably two, sets up along the width direction of mounting 1 respectively, does not limit to spacing protruding 6's shape and number. Correspondingly, the trolley device 2 is provided with a limit groove 10 matched with the limit bulge 6, wherein the limit groove 10 can be in interference fit with the limit bulge 6 to realize fastening, the limit bulge 6 is preferably arranged at the middle lower part of the fixing piece 1,
further, the bottom of the fixing member 1 is provided with a limiting table 9 which is used for extending to the bottom of the trolley device 2 so as to adjust the gap between the trolley device 2 and the ruler shell 3, and the trolley device 2 is provided with a limiting recess 15 which is used for being matched with the limiting table 9. Spacing platform 9 can set up at its both ends along the width direction of mounting 1, the thickness of spacing platform 9 can set up according to actual need, when the installation, mounting 1 promotes along the working direction of dolly device 2, make spacing platform 9 be between dolly device 2 and chi shell 3, guarantee the clearance between dolly device 2 and the chi shell 3, realize along fixing of dolly device 2 on chi shell 3 in vertical direction, and simultaneously, spacing arch 6 cooperates with spacing groove 10, make dolly device 2 can not break away from chi shell 3, and form a whole with dolly device 2 and mounting 1 through spacing arch 6, make its degree of freedom only along grating chi working direction.
Furthermore, a slide way for slidably connecting the fixing member 1 with the ruler housing 3 is arranged below the limiting table 9, so that the fixing member 1 can move to the position of the trolley device 2, and the specific structure of the slide way can be set according to the structural form of the slide way of the ruler housing 3, which is within the protection scope of the present invention.
In order to further avoid the trolley device 2 from being separated from the fixing piece 1, counter bores 7 are respectively arranged on the fixing piece 1 which is oppositely arranged, the fixing device further comprises locking hooks 5 of which two ends are respectively connected with the counter bores 7 in an inserting and locking mode, and the locking hooks 5 are matched with the counter bores 7 to fix the trolley device 2 and the fixing piece 1 along the length direction of the ruler shell 3. The counter bores 7 are preferably arranged on two side walls of the fixing member 1 and are located on the same horizontal line, two ends of the locking hooks 5 are respectively inserted into the counter bores 7 on the same side, so that one side locking of the fixing member 1 and the trolley device 2 is realized, the number of the locking hooks 5 is two, and the locking hooks are respectively arranged on two side walls of the fixing member 1. It can be understood that the distance between the two ends of the hook body of the locking hook 5 can be slightly smaller than the distance between the two counter bores 7 on the same side, so that the locking hook 5 can be elastically deformed in a tight fit manner. Through between spacing arch 6 and spacing groove 10, counter bore 7 and locking collude 5 between the cooperation realize dolly device 2 and mounting 1 fixed, make no relative slip between the two, restrict dolly device 2 along 3 length direction's of chi shell degree of freedom, make the clearance in vertical direction between dolly device 2 and the chi shell 3 obtain fixedly through spacing platform 9 and spacing sunken 15, and realize the fastening between mounting 1 and the chi shell 3 through joint 13 and joint groove, spacing subassembly, spacing platform 9 and joint 13 distribute through upper, middle and lower formula, form double ring embracing formula structure, and then realize the fixed position of dolly device 2 on chi shell 3.
In this embodiment, as shown in fig. 1 to 5, fig. 1 is a schematic structural diagram of a grating scale according to a first embodiment of the present invention; fig. 2 is a schematic structural diagram of a fixing member 1 according to a first embodiment of the present invention; fig. 3 is a schematic side view of the cart device 2 according to the first embodiment of the present invention; FIG. 4 is a schematic view of the partial cross-sectional structure of FIG. 1; FIG. 5 is a schematic view of a portion of the enlarged structure of FIG. 1; one end of any elastic fastener 11 is fixed with the fixing part 1, the other end of the elastic fastener is provided with an elastic part capable of elastically deforming, the top end of the elastic part is provided with a clamping part 13 matched with the clamping groove 12, the clamping part 13 is arranged on the outer side of the elastic part, the clamping groove 12 is arranged on the inner wall of the ruler shell 3, and the elastic part outwards expands to be fixed by tensioning between the clamping part 13 and the clamping groove 12. Elastic fastener 11 and mounting 1 within a definite time, all preferably the integral type setting between elasticity portion and joint spare 13, elastic fastener 11 is preferably the shell fragment, two shell fragments can be followed vertical direction and set up relative setting, the top and the 1 fixed connection of mounting of shell fragment, the bottom of shell fragment is the free end and sets up joint spare 13 above that, the shell fragment shrink in the installation so that joint spare 13 can with draw-in groove 12 installation location, realize the fastening because the effect of spring force makes joint spare 13 hug closely the internal surface of draw-in groove 12 after the installation.
Specifically, elastic fastener 11 sets up along vertical direction, be equipped with the elasticity expansion chamber between elasticity portion and mounting 1, make the elasticity portion have the space of kick-backing, elastic fastener 11 includes two elasticity subdivisions that set up along central line bilateral symmetry, elastic fastener 11 still includes from last to running through mounting 1 down and respectively with the retaining member 4 of the inner wall contact of elasticity subdivision, wherein, be equipped with retaining member 4 mounting hole that is used for installing retaining member 4 between two elasticity subdivisions, retaining member 4 is from last to moving down, so that the outside expansion of elasticity subdivision is fixed to rising between fastener 13 and draw-in groove 12, the outer wall of retaining member 4 and respectively with the inner wall contact of two elasticity subdivisions, but when it moves down from last, promote the outside expansion of two elasticity subdivisions, make the increase of pressure between fastener 13 and the draw-in groove 12 of setting on the elasticity subdivision, realize rising. In one embodiment the mounting hole of the locking element 4 is preferably a threaded hole and the locking element 4 is preferably a screw, by screwing of which in the resilient section the fastening is achieved, or the locking element 4 may be embodied as a wedge, so that the wedge is fastened during pushing in the mounting hole of the locking element 4. In another embodiment, the elastic fastening member 11 may be made of rubber, and the fastening is achieved by elastically deforming the locking member 4, which is within the scope of the present invention. Preferably, the resilient branch is of dovetail type, engaging with the catch 12 of the blade housing 3.
Further, the clamping groove 12 is horizontally arranged along the vertical center line of the ruler shell 3 outwards, the structure is simple, the clamping groove 12 is convenient to arrange, the clamping groove 12 is symmetrically arranged on the inner wall of the ruler shell 3 by taking the center line of the cross section of the ruler shell 3 as a symmetry axis, the groove depth direction of the clamping groove 12 is parallel to the horizontal direction, and the installation and the fixation are realized by the elastic deformation in the vertical plane. In order to facilitate the installation of the clamping piece 13 and the clamping groove 12, the two sides of the outer wall of the fixing piece 1 are provided with handheld recesses 8 for extruding elastic branches to disassemble and assemble the clamping piece 13 and the clamping groove 12. Preferably, the counter bore 7 may be provided at the center of the holding recess 8 to optimize the outer space of the fixing member 1, and the holding recess 8 may be a circular arc type.
When the ruler is installed, the handheld depressions 8 on the two sides can be pressed simultaneously, the elastic fastener 11 is stressed inwards and compressed when the fixing piece 1 is folded inwards, the clamping piece 13 and the clamping groove 12 are installed, the fixing piece 1 is pushed along the length direction of the ruler shell 3 to enable the limiting bulge 6 to be matched with the limiting groove 10, meanwhile, the limit platform 9 is matched with the limit recess 15 to ensure the gap between the trolley device 2 and the ruler shell 3, the trolley device 2 is fixed on the ruler shell 3, screws arranged in mounting holes of the locking part 4 are screwed, the elastic part is supported by utilizing the screw heads, the clamping part 13 is tightly matched with the clamping groove 12 after being tensioned, the fixing part 1 is locked on the ruler shell 3, the fastener on the other side of the trolley device 2 is also mounted, the trolley device 2 can not move along the length direction of the ruler shell 3, and the counter bore 7 is hooked tightly through the locking hook 5, so that the trolley device 2 is prevented from being separated from the fixing piece 1.
In another embodiment, as shown in fig. 6 to 10, fig. 6 is a schematic structural diagram of a grating scale according to a second embodiment of the present invention; fig. 7 is a schematic structural diagram of a fixing member 1 according to a second embodiment of the present invention; fig. 8 is a schematic view of a mounting structure of a handheld recess 8 according to a second embodiment of the present invention; fig. 9 is an installation cross-sectional view of a fixing member 1 according to a second embodiment of the present invention; fig. 10 is a partially enlarged schematic view of fig. 6. Two joint spare 13 locate the diapire of mounting 1 respectively and the opening leanin setting between joint spare 13, mounting 1 is including the free portion 17 that is used for installing a joint spare 13, free portion 17 is connected through elastic fastener 11 with mounting 1, elastic fastener 11 is fixed with mounting 1 to drive a joint spare 13 and realize overturning from top to bottom, adjust the opening distance between two joint spares 13 and to the dismouting and the pressure adjustment of carrying on between joint spare 13 and draw-in groove 12.
The both ends setting of joint spare 13 along the width direction of mounting 1, one of them joint spare 13 sets up on free portion 17, and free portion 17 is connected fixedly through elastic fastening spare 11 with mounting 1, if free portion 17 accessible bonding realize with elastic fastening spare 11 fixed, elastic fastening spare 11 can set up to have elastic material for itself, like rubber, can carry out elastic material's selection according to actual need. Elastic fastener 11 also can realize fixedly through the mode that bonds with mounting 1, elastic fastener 11 can drive joint spare 13 of setting on free portion 17 and realize overturning from top to bottom, realize the change of every single move angle promptly, in an embodiment, use the length direction who is on a parallel with chi shell 3 as the rotation axis, realize overturning from top to bottom, and then the opening distance increase between two joint spares 13, accomplish the installation between joint spare 13 and draw-in groove 12, simultaneously because elastic fastener 11's elastic deformation, make after the installation joint spare 13 closely cooperate with draw-in groove 12 under the elastic force effect, can understand that, distance between two joint spares 13 can slightly be less than the distance between two draw-in grooves 12, in order to realize the screens. Alternatively, in one embodiment, the elastic fastener 11 may be provided as a spring.
Specifically, elastic fastener 11 is provided with the elasticity expansion chamber to the expansion of upper and lower both sides along the horizontal direction, and elasticity expansion chamber falls into two elasticity subsections with elastic fastener 11 along the horizontal direction, and elasticity expansion intracavity is equipped with retaining member 4 that is used for the inner wall contact with the elasticity subsection, and retaining member 4 link up free portion 17, and retaining member 4 moves in the horizontal direction from outer to so that the outside expansion of elasticity subsection rises to the tight fixedly of fastener 13 and draw-in groove 12. Wherein, elastic fastening piece 11 sets up along the horizontal direction, and elastic fastening piece 11 is along the length direction's of chi shell 3 both ends respectively with mounting 1 fixed connection to realize elastic fastening piece 11's fixed. When retaining member 4 is the screw, the elasticity subsection is two circular arc portions that set up from top to bottom, is provided with in the circular arc portion with screw complex screw thread, the screw is twisting the in-process soon, the outside expansion of elasticity subsection makes the joint spare 13 that sets up on free portion 17 compress tightly draw-in groove 12 downwards, elastic fastening spare 11 specifically is the rubber and plastic. In other embodiments, the locking member 4 may be embodied as a wedge-shaped block or other locking structure, and the wedge-shaped block and the elastic expansion cavity are matched to vertically compress and fix the clamping groove 12 by the clamping member 13.
Further, one end of the fixing member 1, which is far away from the free portion 17, is provided with a positioning protrusion 14 for forming a rotating shaft along the length direction in cooperation with the ruler shell 3, so as to drive the fixing member 1 to turn over up and down and realize the installation and positioning of the clamping member 13 and the clamping groove 12. The positioning bulge 14 is arranged at the end part of the fixed part 1, the ruler shell 3 is provided with a positioning groove 16 matched with the positioning bulge 14, the positioning groove 16 is arranged along the vertical direction, the positioning bulge 14 and the positioning groove 16 are matched to form a rotating shaft in the horizontal direction, when being installed, the fixing piece 1 is driven to realize the up-and-down turning in the horizontal plane, thereby realizing the installation between the clamping piece 13 and the clamping groove 12, in the process of rotating and installing, the clamping piece 13 arranged on the fixed piece 1 is contacted and positioned with the clamping groove 12 at one side, when the clamping pieces 13 of the free part 17 are contacted with the clamping grooves 12, the elastic fastening piece 11 is extruded to be bent upwards and turned, the distance between the two clamping pieces 13 is increased, the clamping pieces 13 on the free part 17 are contacted with the other clamping groove 12 on the ruler shell 3 to realize the installation and the positioning, meanwhile, the clamping piece 13 compresses the clamping groove 12 along the vertical direction through the movement of the locking piece 4 in the elastic expansion cavity.
Further, both ends of the fixing member 1 in the width direction are respectively provided with a handheld recess 8 for turning over the engaging member 13, and one handheld recess 8 is provided on the free portion 17 to drive the elastic fastening member 11 to be turned over upward by the pressing of the two handheld recesses 8. The handheld recess 8 is inwardly folded to drive the elastic fastener 11 to turn upwards, so that the clamping pieces 13 on the free portion 17 turn upwards, and the distance between the two clamping pieces 13 is increased to complete the installation and fixation with the clamping groove 12. Wherein, counter bores 7 are arranged on the side wall of the fixing member 1, preferably at the two ends of the fixing member 1 along the length direction.
In this embodiment, the limiting protrusion 6 is arranged along the two sides of the width direction of the fixing member 1 in a length reducing manner from the outside to the inside, and meanwhile, the limiting table 9 is continuously arranged along the width direction of the fixing member 1 in a penetrating manner and clamps the trolley device 2 through the limiting protrusion 6 and the limiting table 9, so that the trolley device 2 is fixed with the fixing member 1 and the gap between the trolley device and the ruler shell 3 is fixed.
When the ruler is installed, the hand-held concave 8 is clamped at two sides, the positioning bulge 14 is contacted with the positioning groove 16 on the ruler shell 3, the formed rotating shaft is turned over and pressed downwards, the clamping piece 13 of the free part 17 is contacted with the ruler shell 3, the elastic fastener 11 is forced upwards, the clamping piece 13 is bent to a certain angle and enters the clamping groove 12 along the pressure direction, the two clamping pieces 13 are matched with the clamping groove 12 of the ruler shell 3 to ensure that the fixing piece 1 only has the freedom degree along the length direction of the ruler shell 3, the fixing piece 1 is pushed along the length direction to ensure that the limiting table 9 is arranged between the trolley device 2 and the ruler shell 3, the limiting bulge 6 is arranged in the limiting groove 10, so as to ensure the gap between the trolley device 2 and the ruler shell 3, the trolley can not move towards the direction of separating from the ruler shell 3 and lock the screw in the elastic expansion cavity, the head of the locked screw sinks in the free part 17, and the clamping piece 13, the fixing piece 1 is locked on the ruler shell 3, similarly, the fixing piece 1 on the other side of the trolley device 2 is installed, and the counter bore 7 is hooked tightly through the locking hook 5, so that the fixing piece 1 is prevented from being separated from the trolley device 2.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A grating scale, comprising:
a ruler shell (3) and a trolley device (2) arranged on the ruler shell;
the fixing device is arranged on the ruler shell (3) and used for fixing the position of the trolley device (2) in a non-operation state, and the fixing device comprises fixing pieces (1) which are oppositely arranged at two ends of the trolley device (2) along the length direction of the ruler shell (3);
a group of clamping pieces (13) are oppositely arranged on any fixing piece (1) along the width direction of the ruler shell (3), the ruler shell (3) is provided with clamping grooves (12) which are used for corresponding to the clamping pieces (13) one by one, and the fixing piece (1) is provided with an elastic fastening piece (11) which is used for being matched with the clamping pieces (13) and fastening the clamping pieces (13) and the clamping grooves (12);
one end of any elastic fastener (11) is fixed with the fixing piece (1), the other end of the elastic fastener is provided with an elastic part capable of elastically deforming, the top end of the elastic part is provided with a clamping piece (13) matched with the clamping groove (12), the clamping piece (13) is arranged on the outer side of the elastic part, the clamping groove (12) is arranged on the inner wall of the ruler shell (3), and the elastic part expands outwards to tightly and fixedly tension the clamping piece (13) and the clamping groove (12);
the elastic fastening piece (11) is arranged along the vertical direction, an elastic expansion cavity is formed between the elastic part and the fixing piece (1), the elastic fastening piece (11) comprises two elastic subsections symmetrically arranged along the two sides of a central line, the elastic fastening piece (11) further comprises a locking piece (4) penetrating through the fixing piece (1) from top to bottom and respectively contacting with the inner walls of the elastic subsections, and the locking piece (4) moves from top to bottom so that the elastic subsections are expanded outwards to be fastened and fixed between the clamping piece (13) and the clamping groove (12);
or, two joint spare (13) are located respectively the diapire of mounting (1) just opening leanin between joint spare (13) sets up, mounting (1) is including being used for installing one free portion (17) of joint spare (13), free portion (17) with mounting (1) warp elastic fastener (11) are connected, elastic fastener (11) with mounting (1) are fixed, in order to drive one upset, regulation two about joint spare (13) realize opening distance between joint spare (13) is right joint spare (13) with carry out dismouting and pressure adjustment between draw-in groove (12).
2. The grating ruler of claim 1, wherein a limiting component is arranged at one end of the fixed member (1) contacting the trolley device (2), the limiting component fixes the trolley device (2) to the fixed member (1), and a limiting groove (10) matched with the limiting component to realize fixation is arranged on the trolley device (2).
3. The grating ruler of claim 2, wherein the bottom of the fixing member (1) is provided with a limiting table (9) extending to the bottom of the trolley device (2) to adjust the gap between the trolley device (2) and the ruler shell (3), and the trolley device (2) is provided with a limiting recess (15) for matching with the limiting table (9).
4. The grating ruler of claim 3, wherein counter bores (7) are respectively formed in the oppositely arranged fixing members (1), the fixing device further comprises locking hooks (5) with two ends respectively connected with the counter bores (7) in an inserting and locking mode, and the locking hooks (5) are matched with the counter bores (7) to fix the trolley device (2) and the fixing members (1) along the length direction of the ruler shell (3).
5. The grating ruler of claim 4, wherein the slot (12) is horizontally arranged along the vertical center line of the ruler shell (3), and a handheld recess (8) for extruding the elastic branch part to disassemble and assemble the clamping member (13) and the slot (12) is arranged on two sides of the outer wall of the fixing member (1).
6. The grating ruler of claim 1, wherein the elastic fastening member (11) is provided with an elastic expansion cavity expanding towards the upper side and the lower side along the horizontal direction, the elastic expansion cavity divides the elastic fastening member (11) into two elastic subsections along the horizontal direction, a locking member (4) contacting with the inner walls of the elastic subsections is arranged in the elastic expansion cavity, the locking member (4) penetrates through the free part (17), and the locking member (4) moves from the outside to the inside along the horizontal direction so that the elastic subsections expand outwards to tension and fix the clamping member (13) and the clamping groove (12).
7. The grating ruler of claim 6, wherein one end of the fixing member (1) far away from the free part (17) is provided with a positioning protrusion (14) which is used for matching with the ruler shell (3) to form a rotating shaft along the length direction so as to drive the fixing member (1) to turn over up and down and realize the installation and positioning of the clamping member (13) and the clamping groove (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910594658.2A CN110186378B (en) | 2019-07-03 | 2019-07-03 | Grating ruler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910594658.2A CN110186378B (en) | 2019-07-03 | 2019-07-03 | Grating ruler |
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| Publication Number | Publication Date |
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| CN110186378A CN110186378A (en) | 2019-08-30 |
| CN110186378B true CN110186378B (en) | 2021-06-25 |
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| CN201910594658.2A Active CN110186378B (en) | 2019-07-03 | 2019-07-03 | Grating ruler |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657150A (en) * | 2019-09-29 | 2020-01-07 | 长春禹衡光学有限公司 | Grating ruler and nut fixing device thereof |
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| DE19852475C1 (en) * | 1998-11-13 | 2000-04-27 | Komeg Ind Mestechnik Gmbh | Caliper holder for multiposition measuring; secures caliper seating to extension, fixing it in holder seating fixed over movable locking slide to fastening slide using ball bearings in grooved rail and thrust piece |
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| Publication number | Publication date |
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| CN110186378A (en) | 2019-08-30 |
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