Linear grating ruler

Abstract

The utility model relates to the field of measurement, in particular to a linear grating ruler, which comprises a ruler body, a reading head positioned above the ruler body, a sliding assembly and an oil injection mechanism, and is characterized in that the sliding assembly is arranged on the ruler body in a sliding manner and is used for driving the reading head to slide; the oil injection mechanism is arranged at the top of the sliding assembly and used for smearing lubricating oil on the connecting part between the ruler body and the sliding assembly. Through the arrangement of the oil injection mechanism and the sliding assembly, opening and closing of the oil injection hole can be rapidly controlled, so that the sliding groove in the grating ruler body is smeared, meanwhile, injected lubricating oil can be rubbed in the sliding process, the smearing effect is better, the smearing piece can avoid accumulation of the lubricating oil, and the smearing efficiency is improved. Therefore, the grating ruler can be further prevented from rusting due to long-time exposure in a humid environment, and good appearance and performance of the grating ruler are kept.

Description

Technical Field

[0001] The utility model relates to the field of measurement, and particularly relates to a linear grating scale. Background Art

[0002] A linear grating scale is a measurement feedback device that works based on the optical principle of a grating. Linear grating scales are often used in machine tools, modern machining centers, measuring instruments, and other aspects.

[0003] Chinese Patent with Publication No. CN204359326U discloses a linear grating scale, which includes a main scale component and a moving reading component. A glass grating scale is provided on the main scale component, an incremental code track and an absolute code track are provided on the glass grating scale, equally spaced incremental grating lines are provided on the incremental code track, a glass indicating grating is provided inside the moving reading component, the moving reading component is arranged on one side of the main scale component and can move back and forth along the length direction of the main scale component. A plurality of groups of reference marks are spaced on both the absolute code track and the glass indicating grating, each group of reference marks corresponds to a unique distance code, the scanning unit generates a reference signal according to the reference marks on the absolute code track, and the reference signal has a defined position and width with reference to the absolute code track relative to the incremental code track to obtain the position of the incremental code track.

[0004] However, the above disclosed solution has the following deficiencies: After long-term use, the existing grating scale may have a situation where the sliding is not smooth, resulting in inaccurate readings. At this time, it is necessary to apply lubricating oil to the grating scale. However, the effect of manual lubricating oil application is not good and the operation is troublesome, which affects the work efficiency. Therefore, it is necessary to invent a linear grating scale to solve the above problems. Summary of the Utility Model

[0005] The purpose of the utility model is to propose a linear grating scale aiming at the problems of inconvenient lubricating oil application and poor application effect in the background art.

[0006] The technical solution of the utility model: A linear grating scale includes a scale body and a reading head located above the scale body; it further includes:

[0007] A sliding component, which is slidably arranged on the scale body and is used to drive the reading head to slide;

[0008] And an oil injection mechanism, which is arranged on the top of the sliding component and is used to apply lubricating oil to the connection part between the scale body and the sliding component.

[0009] Preferably, the sliding component includes a slide table, an application part, and an oil outlet hole;

[0010] The slide table is slidably arranged on the scale body, the application part is arranged at the end of the slide table, and the oil outlet hole is located inside the slide table.

[0011] Preferably, the oil injection mechanism includes an oil storage box, an oil supply component, a sealing component, and a power component.

[0012] The oil storage box is arranged on the top of the sliding table.

[0013] The oil supply component is arranged on the side of the oil storage box to provide lubricating oil into the oil storage box.

[0014] The sealing component is arranged inside the oil storage box to control the opening and closing of the oil injection hole, thereby realizing the lubricating oil application state and the sealing state.

[0015] The power component is arranged on the top of the sealing component to drive the movement of the sealing component manually.

[0016] Preferably, the oil supply component includes an oil injection hole, a connecting pipe, and an end cap.

[0017] The oil injection hole is located on the side of the oil storage box. The connecting pipe is arranged outside the oil storage box. The end cap is threadedly connected to the end of the connecting pipe away from the oil storage box.

[0018] Preferably, the sealing component includes a straight slide rail, a slider, a plugging member, a mounting plate, a telescopic pipe, and a spring.

[0019] The straight slide rail is arranged inside the oil storage box. The slider is slidably arranged on the straight slide rail. There are two sliders. The plugging member is arranged at the end of the slider away from the straight slide rail. The mounting plate is arranged on the top of the plugging member. The telescopic pipe is arranged on the side of the mounting plate. The spring is arranged outside the telescopic pipe. The end of the telescopic pipe away from the mounting plate is connected to the inside of the oil storage box.

[0020] Preferably, the power component includes a connecting shaft, a sleeve rod, a connecting rod, and a grip.

[0021] The connecting shaft is arranged inside the oil storage box, and both ends of the connecting shaft are respectively connected to the two inner walls of the oil storage box. The sleeve rod is slidably arranged outside the connecting shaft. The bottom of the sleeve rod is connected to the top of the plugging member. The connecting rod is arranged on the top of the sleeve rod. The grip is arranged at the end of the connecting rod away from the sleeve rod.

[0022] Compared with the prior art, the utility model has the following beneficial technical effects: through the setting of the oil injection mechanism and the sliding component, the opening and closing of the oil injection hole can be quickly controlled, so as to smear the chute on the grating scale body. At the same time, during the sliding process, the injected lubricating oil can be rubbed, so that the smearing effect is better. The smearing part can avoid the accumulation of lubricating oil, further strengthening the smearing effect. In this way, it can further prevent the grating scale from rusting due to long-term exposure to a humid environment, maintain its good appearance and performance, and effectively isolate the moisture and corrosive substances in the air, thus preventing the surface of the grating scale from corrosion. At the same time, it can reduce the friction between the various components inside the grating scale, make the grating scale move more smoothly during the movement process, avoid the error caused by friction, and thus improve the measurement accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic structural diagram of an embodiment of the utility model;

[0024] Figure 2 is a schematic structural diagram of the sliding component;

[0025] Figure 3 is a schematic structural diagram of the oil injection mechanism;

[0026] Figure 4 is a schematic internal structural diagram of the oil injection mechanism.

[0027] Reference numerals: 1, scale body; 2, reading head; 301, oil storage box; 302, smearing part; 303, slide table; 304, oil outlet hole; 305, connecting pipe; 306, end cover; 307, straight slide rail; 308, slider; 309, plugging part; 310, mounting plate; 311, telescopic pipe; 312, spring; 313, sleeve rod; 314, connecting rod; 315, grip; 316, oil injection hole; 317, connecting shaft. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] Embodiment 1

[0029] As Figure 1 - Figure 2 shown, a linear grating scale proposed by the utility model includes a scale body 1, a reading head 2 located above the scale body 1, a sliding component, and an oil injection mechanism. A chute is provided inside the scale body 1, and the reading head 2 can move in the chute for reading; further includes:

[0030] The sliding component is slidably arranged on the scale body 1 and is used to drive the reading head 2 to slide;

[0031] The oil injection mechanism is arranged on the top of the sliding component and is used to smear lubricating oil on the connection part between the scale body 1 and the sliding component.

[0032] The sliding component includes a slide table 303, an applicator 302 and an oil outlet hole 304; the slide table 303 is slidably arranged on the ruler body 1, the applicator 302 is arranged at the end of the slide table 303, the oil outlet hole 304 is located inside the slide table 303, there are multiple oil outlet holes 304, and they are distributed on the inner periphery of the slide table 303. The oil outlet direction of each oil outlet hole 304 points to the chute of the ruler body 1, which is convenient for the subsequent oil injection mechanism to apply lubricating oil to the ruler body 1. There is a certain distance between the applicator 302 and the chute of the ruler body 1. At the same time, the inner side of the applicator 302 is a brush, which can avoid excessive oil injection at a certain place and evenly apply the lubricating oil when the lubricating oil accumulates, making the application effect better.

[0033] Embodiment 2

[0034] As Figure 2 - Figure 4 shown, a linear grating ruler proposed by the present utility model, compared with Embodiment 1, the structure of the oil injection mechanism is introduced in detail in this embodiment.

[0035] The oil injection mechanism includes an oil storage box 301, an oil supply assembly, a sealing assembly, and a power assembly. The oil storage box 301 is arranged on the top of the sliding table 303; the oil supply assembly is arranged on the side of the oil storage box 301 to provide lubricating oil into the oil storage box 301; the sealing assembly is arranged inside the oil storage box 301 to control the opening and closing of the oil injection hole 316, thereby realizing the lubricating oil application state and the sealing state; the power assembly is arranged on the top of the sealing assembly to drive the movement of the sealing assembly manually. The oil supply assembly includes an oil injection hole 316, a connecting pipe 305, and an end cap 306; the oil injection hole 316 is located on the side of the oil storage box 301, the connecting pipe 305 is arranged outside the oil storage box 301, and the end cap 306 is threadedly connected to the end of the connecting pipe 305 away from the oil storage box 301. Unscrewing the end cap 306 can connect the oil injection hole 316 and the oil supply container through the connecting pipe 305, thereby preventing the waste caused by the leakage of lubricating oil during the oil injection process. The sealing assembly includes a straight slide rail 307, a slider 308, a plugging member 309, a mounting plate 310, a telescopic pipe 311, and a spring 312; the straight slide rail 307 is arranged inside the oil storage box 301, the slider 308 is slidably arranged on the straight slide rail 307, there are two sliders 308, the plugging member 309 is arranged at the end of the slider 308 away from the straight slide rail 307, the mounting plate 310 is arranged on the top of the plugging member 309, the telescopic pipe 311 is arranged on the side of the mounting plate 310, the spring 312 is arranged outside the telescopic pipe 311, and the end of the telescopic pipe 311 away from the mounting plate 310 is connected to the inside of the oil storage box 301. In the natural state of the spring 312 and the telescopic pipe 311, the plugging member 309 can block all the oil injection holes 316, thereby preventing the leakage of lubricating oil. Driven by the power assembly, the two plugging members 309 can be driven to move towards each other, so that the oil injection holes 316 are exposed, and the lubricating oil is applied to the chute of the ruler body 1 through the oil injection holes 316. By sliding the slider 308 on the straight slide rail 307, the movement of the plugging member 309 can be ensured to be more stable. The power assembly includes a connecting shaft 317, a sleeve rod 313, a connecting rod 314, and a grip 315; the connecting shaft 317 is arranged inside the oil storage box 301, and the two ends of the connecting shaft 317 are respectively connected to the two inner side walls of the oil storage box 301. The sleeve rod 313 is slidably arranged outside the connecting shaft 317, the bottom of the sleeve rod 313 is connected to the top of the plugging member 309, the connecting rod 314 is arranged on the top of the sleeve rod 313, and the grip 315 is arranged at the end of the connecting rod 314 away from the sleeve rod 313. The staff holds the two grips 315 and presses inward, which can drive the connecting rod 314 to move. The connecting rod 314 drives the sleeve rod 313 to slide on the connecting shaft 317, and the sleeve rod 313 drives the two plugging members 309 to move towards each other.

[0036] In summary, when the utility model is in use, unscrew the end cover 306, connect the oil injection hole 316 and the oil supply container through the connecting pipe 305, then inject the oil in the oil supply container into the oil storage box 301, and then let the staff clamp and press the two grips 315 inward. This can drive the connecting rod 314 to move. The connecting rod 314 drives the sleeve rod 313 to slide on the connecting shaft 317. The sleeve rod 313 drives the two sealing members 309 to slide on the straight slide rail 307 through the sliders 308 and move towards each other. By sliding the sliders 308 on the straight slide rail 307, the movement of the sealing members 309 can be ensured to be more stable. At this time, the spring 312 and the telescopic tube 311 are both in a stretched state. There are multiple oil outlet holes 304, which are distributed around the inner side of the slide table 303. The oil outlet direction of each oil outlet hole 304 points to the chute of the scale body 1. Therefore, after the sealing member 309 is opened, the lubricating oil can flow out from the oil injection hole 316 and at the same time inject lubricating oil on the outer side of the chute. Apply the lubricating oil on the chute of the scale body 1 through the oil injection hole 316, and then release the grip 315. Under the elastic action of the spring 312, the sealing member 309 is driven back to its original position. In the natural state of the spring 312 and the telescopic tube 311, the sealing member 309 can block all the oil injection holes 316, thus preventing the lubricating oil from leaking. At this time, slide the slide table 303 back and forth several times on the chute of the scale body 1. At the same time, since the inner side of the coating member 302 is a brush, the lubricating oil accumulated due to excessive oil injection at a certain place can be evenly coated during the sliding process, making the coating effect better.

[0037] The above has described the embodiments of the present utility model in detail with reference to the accompanying drawings. However, the present utility model is not limited thereto. Within the scope of knowledge possessed by those skilled in the art to which it pertains, various changes can be made without departing from the gist of the present utility model.

Claims

1. A linear grating ruler, comprising a ruler body (1) and a reading head (2) located above the ruler body (1); characterized in that: Also includes: A sliding assembly is slidably arranged on the ruler body (1) and is used to drive the reading head (2) to slide; And an oiling mechanism is arranged on the top of the sliding assembly and is used to apply lubricating oil to the connection part between the ruler body (1) and the sliding assembly.

2. The linear grating ruler according to claim 1, characterized in that: The sliding assembly comprises a sliding platform (303), a smearing member (302) and an oil outlet hole (304); The slide table (303) is slidably arranged on the ruler body (1), the smearing member (302) is arranged at the end of the slide table (303), and the oil outlet hole (304) is located on the inner side of the slide table (303).

3. The linear grating ruler according to claim 2, characterized in that: The oil injection mechanism comprises an oil storage box (301), an oil supply component, a sealing component and a power component The oil storage box (301) is arranged on the top of the slide table (303); The oil supply assembly is arranged on the side of the oil storage box (301) and is used to provide lubricating oil into the oil storage box (301); The sealing component is arranged inside the oil storage box (301) and is used to control the opening and closing of the oil filling hole (316), thereby realizing the application state and the sealing state of the lubricating oil; The power component is arranged on the top of the closed component and is used to drive the movement of the closed component by manpower.

4. The linear grating ruler according to claim 3, characterized in that: The oil supply assembly comprises an oil filling hole (316), a connecting pipe (305) and an end cover (306); The oil filling hole (316) is located on the side of the oil storage box (301), the connecting pipe (305) is arranged on the outside of the oil storage box (301), and the end cover (306) is threadedly connected to one end of the connecting pipe (305) away from the oil storage box (301).

5. The linear grating ruler according to claim 3, characterized in that: The closing assembly comprises a straight slide rail (307), a slider (308), a blocking member (309), a mounting plate (310), a telescopic tube (311) and a spring (312); The straight slide rail (307) is arranged on the inner side of the oil storage box (301), the slider (308) is slidably arranged on the straight slide rail (307), two sliders (308) are provided, a blocking member (309) is arranged on one end of the slider (308) away from the straight slide rail (307), the mounting plate (310) is arranged on the top of the blocking member (309), the telescopic tube (311) is arranged on the side of the mounting plate (310), the spring (312) is arranged on the outer side of the telescopic tube (311), and one end of the telescopic tube (311) away from the mounting plate (310) is connected to the inner side of the oil storage box (301).

6. The linear grating ruler according to claim 5, characterized in that: The power assembly comprises a connecting shaft (317), a sleeve rod (313), a connecting rod (314) and a handle (315); The connecting shaft (317) is arranged on the inner side of the oil storage box (301), and the two ends of the connecting shaft (317) are respectively connected to the two inner side walls of the oil storage box (301), the sleeve rod (313) is slidably arranged on the outer side of the connecting shaft (317), the bottom of the sleeve rod (313) is connected to the top of the blocking member (309), the connecting rod (314) is arranged on the top of the sleeve rod (313), and the handle (315) is arranged at one end of the connecting rod (314) away from the sleeve rod (313).

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