CN212946845U - Grating ruler with protective structure - Google Patents

Abstract

The utility model discloses a grating chi with protective structure, including backup pad, reading head, cable conductor and chi body, the fixed plate is installed to the bottom of chi body, and the one end of fixed plate installs the reading head, one side of reading head is connected with the cable conductor, the backup pad is all installed to the both sides of chi body, and the one end of backup pad all is provided with fixed knot and constructs, the internally mounted of chi body has the sealing strip, the connecting block is all installed to the both sides of chi body one end, and the bottom of connecting block articulates there is the shield, the one end of shield evenly is provided with buffer structure. The utility model discloses a rubber layer of shield one end evenly mounted, the rubber layer can play certain buffering effect to the chi body, receives the exogenic action at the chi body, and rubber layer extrusion buffer spring, buffer spring and buffer block shrink alright play certain buffering effect to the chi body, and the anticorrosive coating can play certain corrosion protection simultaneously.

Description

Grating ruler with protective structure

Technical Field

The utility model relates to a grating chi technical field specifically is a grating chi with protective structure.

Background

Along with the rapid development of optical technology, grating chi has also obtained extensive application, and grating chi installs in digit control machine tool closed loop servo, is the equipment that is used for measuring the displacement, consequently has very high requirement to grating chi's performance, and grating chi can install in the different positions of lathe, and grating chi can divide into two kinds types such as transmission grating chi and reflection grating chi:

traditional grating chi, dustproof effect is relatively poor during the use, can not effectively prevent dust to a certain extent, influences grating chi's result of use, has reduced grating chi's work efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a grating chi with protective structure to propose the relatively poor problem of dustproof effect of grating chi in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a grating ruler with a protection structure comprises a supporting plate, a reading head, a cable and a ruler body, wherein a fixing plate is installed at the bottom end of the ruler body, the reading head is installed at one end of the fixing plate, the cable is connected to one side of the reading head, the supporting plate is installed on two sides of the ruler body, a fixing structure is arranged at one end of the supporting plate, a sealing strip is installed inside the ruler body, connecting blocks are installed on two sides of one end of the ruler body, a dustproof cover is hinged to the bottom end of the connecting blocks, a buffer structure is uniformly arranged at one end of the dustproof cover, a clamping structure is arranged on two sides of one end of the dustproof cover, the clamping structure comprises a placement groove, a reset spring, a fixing block, a clamping groove and a clamping block, the placement groove is installed on two sides of one end of the ruler body, the reset spring is installed on two sides of the placement groove, the top of the placing groove is provided with a clamping block, and the two sides of the clamping block are provided with clamping grooves.

Preferably, the fixing structure comprises a limiting groove, a telescopic rod, a telescopic spring, a limiting block and a fastening screw, the limiting groove is arranged at one end of the supporting plate, the telescopic rod is uniformly arranged at the bottom end of the limiting groove, the telescopic spring is arranged on the outer side of the telescopic rod, the top end of the limiting groove is connected with the fastening screw, and the limiting block is arranged at the bottom end of the fastening screw.

Preferably, the telescopic rods are all located in the same horizontal plane, and the bottom ends of the telescopic rods in the limiting grooves are arranged at equal intervals.

Preferably, the supporting plate and the ruler body are designed vertically, and the supporting plate is symmetrically distributed about the vertical center of the ruler body.

Preferably, the fixed blocks are symmetrically arranged, and the fixed blocks and the return springs form a telescopic structure.

Preferably, buffer structure is including anticorrosive coating, rubber layer, buffer block and buffer spring, the anticorrosive coating is evenly installed in the one end of shield, the rubber layer is all installed to the anticorrosive coating, and the inside on rubber layer all evenly installs buffer spring, the buffer block is all installed at buffer spring's both ends.

Compared with the prior art, the beneficial effects of the utility model are that: this kind of grating chi with protective structure is rational in infrastructure, has following advantage:

(1) the fixed blocks are arranged on two sides of one end of the ruler body, and the fixed blocks are mutually clamped with the clamping grooves, so that the fixed blocks can be fixed in the arranging grooves, the dustproof cover is fixed on the outer side of the ruler body, foreign matters can be prevented from entering the ruler body by arranging the dustproof cover, the using effect of the grating ruler is improved to a certain extent, and the service life of the grating ruler is prolonged;

(2) the fastening screw rods are arranged on the two sides of the ruler body, the fastening screw rods are screwed, the telescopic rods and the telescopic springs are mutually contracted, the limiting blocks clamp the edge of a numerical control machine tool, the ruler body can be fixed on the numerical control machine tool, and when the ruler body needs to be disassembled, the fastening screw rods only need to be screwed, so that the limiting blocks and the edge of the numerical control machine tool are loosened, and the ruler body can be disassembled;

(3) through the rubber layer of shield one end evenly mounted, the rubber layer can play certain buffering effect to the chi body, receives the exogenic action at the chi body, and rubber layer extrusion buffer spring, buffer spring and buffer block shrink alright play certain buffering effect to the chi body, and the anticorrosive coating can play certain corrosion protection simultaneously.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of a partial rear view structure of the support plate of the present invention;

fig. 3 is a schematic top view of a part of the buffering structure of the present invention;

fig. 4 is a schematic sectional view of the partial front view of the engaging structure of the present invention.

In the figure: 1. a fixed structure; 101. a limiting groove; 102. a telescopic rod; 103. a tension spring; 104. a limiting block; 105. a fastening screw rod; 2. a support plate; 3. a dust cover; 4. a fixing plate; 5. a reading head; 6. a cable wire; 7. a sealing strip; 8. a snap-fit structure; 801. a placing groove; 802. a return spring; 803. a fixed block; 804. a card slot; 805. a clamping block; 9. connecting blocks; 10. a ruler body; 11. a buffer structure; 1101. an anticorrosive layer; 1102. a rubber layer; 1103. a buffer block; 1104. a buffer spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a grating ruler with a protection structure comprises a supporting plate 2, a reading head 5, a cable 6 and a ruler body 10, wherein a fixing plate 4 is installed at the bottom end of the ruler body 10, the reading head 5 is installed at one end of the fixing plate 4, the cable 6 is connected to one side of the reading head 5, the supporting plate 2 is installed on two sides of the ruler body 10, a fixing structure 1 is arranged at one end of the supporting plate 2, the supporting plate 2 and the ruler body 10 are designed vertically, and the supporting plate 2 is symmetrically distributed about the vertical center of the ruler body 10 to enhance stability;

the fixed structure 1 comprises a limiting groove 101, telescopic rods 102, telescopic springs 103, limiting blocks 104 and fastening screw holes 105, the limiting groove 101 is mounted at one end of the supporting plate 2, the telescopic rods 102 are uniformly mounted at the bottom end inside the limiting groove 101, the telescopic springs 103 are mounted on the outer sides of the telescopic rods 102, the fastening screw holes 105 are connected to the top ends of the limiting groove 101, the limiting blocks 104 are mounted at the bottom ends of the fastening screw holes 105, the telescopic rods 102 are located in the same horizontal plane, the bottom ends of the telescopic rods 102 inside the limiting groove 101 are arranged at equal intervals, and when the ruler body 10 needs to be dismounted, the fastening screw holes 105 are screwed, so that the limiting blocks 104 are loosened from the edge of a numerical control machine tool, and the ruler body 10 can be dismounted;

the sealing strip 7 is arranged inside the ruler body 10, the connecting blocks 9 are arranged on two sides of one end of the ruler body 10, the bottom end of each connecting block 9 is hinged to a dustproof cover 3, the buffer structures 11 are uniformly arranged at one end of each dustproof cover 3, each buffer structure 11 comprises an anticorrosive layer 1101, a rubber layer 1102, a buffer block 1103 and a buffer spring 1104, each anticorrosive layer 1101 is uniformly arranged at one end of each dustproof cover 3, each anticorrosive layer 1101 is provided with a rubber layer 1102, each buffer spring 1104 is uniformly arranged inside each rubber layer 1102, each buffer block 1103 is arranged at two ends of each buffer spring 1104, when the ruler body 10 is subjected to external force, each buffer spring 1104 and each buffer block 1103 shrink due to extrusion of each rubber layer 1102, a certain buffer effect can be achieved on the ruler body 10, and meanwhile, each anticorrosive layer 1101 can achieve a certain anti-corrosion effect;

the two sides of one end of the dust cover 3 are respectively provided with a clamping structure 8, the clamping structure 8 comprises a placing groove 801, a return spring 802, a fixing block 803, a clamping groove 804 and a clamping block 805, the placing groove 801 is respectively arranged on the two sides of one end of the ruler body 10, the return springs 802 are respectively arranged on the two sides of the placing groove 801, and one side of the return spring 802 is provided with a fixed block 803, the top end of the placing groove 801 is provided with a fixed block 805, clamping grooves 804 are respectively arranged on two sides of the clamping block 805, the fixing blocks 803 are symmetrically arranged, the fixing blocks 803 and the return spring 802 form a telescopic structure, the fastening screw 105 is screwed, the telescopic rod 102 and the telescopic spring 103 are mutually contracted, the limiting block 104 clamps the edge of the numerical control machine tool, the ruler body 10 is fixed on the numerical control machine tool, the fixing blocks 803 and the clamping grooves 804 are mutually clamped, the clamping block 805 is fixed inside the placing groove 801, the dust cover 3 is fixed on the outer side of the ruler body 10, and the dust cover 3 is installed to prevent foreign matters from entering the inside of the ruler body 10.

The working principle is as follows: when the ruler is used, firstly, the fastening screw 105 is screwed, the telescopic rod 102 and the telescopic spring 103 are mutually contracted, the limiting block 104 clamps the edge of a numerical control machine tool, the ruler body 10 is fixed on the numerical control machine tool, the fixing block 803 and the clamping groove 804 are mutually clamped, the clamping block 805 is fixed in the arrangement groove 801, the dustproof cover 3 is fixed on the outer side of the ruler body 10, and the dustproof cover 3 is installed to prevent foreign matters from entering the ruler body 10;

then, when the ruler body 10 is acted by external force, the rubber layer 1102 extrudes the buffer spring 1104, the buffer spring 1104 and the buffer block 1103 contract, so that a certain buffer effect can be achieved on the ruler body 10, and meanwhile, the anti-corrosion layer 1101 can achieve a certain anti-corrosion effect;

finally, when the ruler body 10 needs to be detached, the ruler body 10 can be detached only by screwing the fastening screw 105 to loosen the limiting block 104 from the edge of the numerical control machine tool.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a grating chi with protective structure, includes backup pad (2), reading head (5), cable conductor (6) and chi body (10), its characterized in that: the ruler is characterized in that a fixing plate (4) is installed at the bottom end of a ruler body (10), a reading head (5) is installed at one end of the fixing plate (4), a cable (6) is connected to one side of the reading head (5), supporting plates (2) are installed on two sides of the ruler body (10), a fixing structure (1) is arranged at one end of each supporting plate (2), a sealing strip (7) is installed inside the ruler body (10), connecting blocks (9) are installed on two sides of one end of the ruler body (10), the bottom end of each connecting block (9) is hinged to a dust cover (3), a buffering structure (11) is uniformly arranged at one end of each dust cover (3), clamping structures (8) are arranged on two sides of one end of each dust cover (3), each clamping structure (8) comprises a placement groove (801), a reset spring (802), a fixing block (803), a clamping groove (804) and a clamping, the utility model discloses a ruler, including the arrangement groove (801), the both sides of ruler body (10) one end are all installed to arrangement groove (801), reset spring (802) are all installed to the both sides of arrangement groove (801), and fixed block (803) are all installed to one side of reset spring (802), fixture block (805) are all installed to the top of arrangement groove (801), and draw-in groove (804) are all installed to the both sides of fixture block (805).

2. The grating ruler with the protective structure as claimed in claim 1, wherein: the fixing structure (1) comprises a limiting groove (101), an expansion link (102), an expansion spring (103), a limiting block (104) and a fastening screw (105), wherein the limiting groove (101) is installed at one end of the supporting plate (2), the expansion link (102) is evenly installed at the bottom end inside the limiting groove (101), the expansion spring (103) is installed on the outer side of the expansion link (102), the top end of the limiting groove (101) is connected with the fastening screw (105), and the limiting block (104) is installed at the bottom end of the fastening screw (105).

3. A grating ruler with a protective structure according to claim 2, characterized in that: the telescopic rods (102) are all located in the same horizontal plane, and the bottom ends of the telescopic rods (102) in the limiting grooves (101) are arranged at equal intervals.

4. The grating ruler with the protective structure as claimed in claim 1, wherein: the supporting plate (2) and the ruler body (10) are designed vertically, and the supporting plate (2) is symmetrically distributed about the vertical center of the ruler body (10).

5. The grating ruler with the protective structure as claimed in claim 1, wherein: the fixing blocks (803) are symmetrically arranged, and the fixing blocks (803) and the return springs (802) form a telescopic structure.

6. The grating ruler with the protective structure as claimed in claim 1, wherein: buffer structure (11) are including anticorrosive coating (1101), rubber layer (1102), buffer block (1103) and buffer spring (1104), the one end in shield (3) is evenly installed to anticorrosive coating (1101), rubber layer (1102) is all installed to anticorrosive coating (1101), and all evenly install buffer spring (1104) in the inside of rubber layer (1102), buffer block (1103) are all installed at the both ends of buffer spring (1104).

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