Gear type encoder reading head

Abstract

The utility model discloses a gear type encoder reading head comprising a reading head main body, the bottom of the reading head main body is fixedly provided with an installation seat, two sides of the installation seat are respectively provided with a waist hole, the back surface of the reading head main body is fixedly provided with an installation rack buckle, the installation rack buckle is provided with a detachable installation rack, and the installation rack buckle is provided with a gear. The mounting frame is composed of an inserting plate, a fixing plate and a square shaft, and two penetrating grooves are formed in the fixing plate; the gear type encoder reading head can be fixed through the mounting seat fixed at the bottom of the reading head main body and can also be fixed through the mounting frame mounted on the back of the reading head main body, the mounting frame is composed of a plug board, a fixing board and a square shaft, the plug board is rotatably connected with the fixing board, and the square shaft is fixedly connected with the mounting seat. The angle between the plug board and the fixing board can be limited through the square shaft, so that the fixing of the socket is not limited to a certain specific angle, and the installation flexibility is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gear type encoders, in particular to a gear type encoder reading head. Background Art

[0002] The gear encoder consists of a gear made of magnetic material, a magnetic sensor corresponding to the gear module, and a reading module formed by a magnetic block. According to the magnetoresistance effect, the magnetic sensor outputs a sinusoidal signal by sensing the change in the direction of the magnetic field. Since only the reading head part of the gear encoder has a small area of ​​magnetism, it has the advantages of small impact on the signal, small size, high stability, high protection level, and a wider application environment. The existing gear encoder reading heads are all equipped with screw holes or bolt holes for fixing, but the installation angle and installation position of the corresponding reading head will be affected by the position of the screw holes or bolt holes, which results in some reading heads being only adapted to the corresponding equipment and poor flexibility. Utility Model Content

[0003] The utility model aims to provide a gear type encoder reading head to solve the problems in the prior art.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gear-type encoder reading head, comprising a reading head body, a mounting seat is fixedly arranged at the bottom of the reading head body, a waist hole is respectively provided on both sides of the mounting seat, a mounting frame buckle is fixedly arranged on the back of the reading head body, a detachable mounting frame is installed on the mounting frame buckle, the mounting frame is composed of a plug-in plate, a fixed plate and a square shaft, two through grooves are provided on the fixed plate, the fixed plate and the plug-in plate are rotatably connected through a rotating shaft, a square plug-in hole 1 is provided at one end of the rotating shaft, a square plug-in hole 2 is provided on the plug-in plate and matches the plug-in hole 1 and is square, and the square shaft is plugged into the plug-in hole 2 and the plug-in hole 1.

[0005] Preferably, the mounting frame buckle consists of a buckle body, a positioning shaft, a spring and a locking tongue. A positioning shaft fixing frame is provided on each side of the buckle body, a positioning shaft is fixed to the inner middle part of the positioning shaft fixing frame, the locking tongue and the spring are sequentially sleeved on the positioning shaft, and a slot cooperating with the locking tongue is provided in the middle part of each side of the plug-in board.

[0006] Preferably, a first chamfered surface is provided on the outer side of the lower portion of the slot, and a second chamfered surface is provided on the side of the upper portion of the locking tongue away from the positioning axis.

[0007] Preferably, the lock tongue is provided with a dial plate extending outwardly.

[0008] Preferably, the square shaft is L-shaped, and a receiving groove matching with the square shaft is provided below the second plug-in hole.

[0009] Compared with the prior art, the utility model has the following beneficial effects: the gear encoder reading head of the utility model can be fixed by a mounting seat fixed at the bottom of the reading head body, or by a mounting frame installed at the back of the reading head body, wherein the mounting frame is composed of a plug-in plate, a fixing plate and a square shaft, the plug-in plate and the fixing plate are rotatably connected, and the angle between the plug-in plate and the fixing plate can be limited by the square shaft, so that the fixing of the utility model is not limited to a specific angle, thereby improving the flexibility of installation;

[0010] The mounting bracket of the utility model is fixed by a mounting bracket buckle, which is convenient for disassembly and assembly of the mounting bracket. A chamfered surface is provided on the outer side of the lower part of the card slot for adapting to the lock tongue. The chamfered surface is convenient for disassembly of the mounting bracket and can effectively prevent the lower edge of the lock tongue from blocking the mounting bracket during disassembly of the mounting bracket. A chamfered surface is provided on the side of the upper part of the lock tongue away from the positioning axis. The chamfered surface can make the mounting bracket smoother to be plugged in during installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the exploded structure of the mounting frame of the utility model;

[0014] Figure 3 It is a structural schematic diagram of the mounting bracket buckle and the mounting bracket of the utility model.

[0015] In the figure: 1. mounting base; 2. reading head body; 3. mounting bracket buckle; 4. mounting bracket; 5. plug-in plate; 6. square shaft; 7. fixing plate; 8. through slot; 9. plug-in hole one; 10. slot; 11. plug-in hole two; 12. receiving slot; 13. chamfered surface one; 14. buckle body; 15. positioning shaft fixing bracket; 16. positioning shaft; 17. spring; 18. locking tongue; 19. chamfered surface two; 20. dial plate. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0017] See also Figure 1-3 In the embodiment of the utility model, a gear encoder reading head includes a reading head body 2, a mounting seat 1 is fixedly arranged at the bottom of the reading head body 2, and a waist hole is respectively opened on both sides of the mounting seat 1, and a mounting frame buckle 3 is fixedly arranged on the back of the reading head body 2, and a detachable mounting frame 4 is installed on the mounting frame buckle 3, and the mounting frame 4 is composed of a plug-in plate 5, a fixed plate 7 and a square shaft 6. Two through grooves 8 are opened on the fixed plate 7, and the fixed plate 7 is rotatably connected with the plug-in plate 5 through a rotating shaft. A square plug-in hole 9 is arranged at one end of the rotating shaft, and a square plug-in hole 11 is arranged on the plug-in plate 5 to cooperate with the plug-in hole 19, and the square shaft 6 is plugged into the plug-in hole 11 and the plug-in hole 19.

[0018] The mounting frame buckle 3 is composed of a buckle body 14, a positioning shaft 16, a spring 17 and a locking tongue 18. A positioning shaft fixing frame 15 is provided on both sides of the buckle body 14, a positioning shaft 16 is fixed to the inner middle part of the positioning shaft fixing frame 15, and the locking tongue 18 and the spring 17 are sequentially sleeved on the positioning shaft 16. A card slot 10 cooperating with the locking tongue 18 is opened in the middle of each side of the plug-in board 5.

[0019] A first chamfered surface 13 is provided on the outer side of the lower portion of the locking slot 10 , and a second chamfered surface 19 is provided on the upper portion of the locking tongue 18 away from the positioning shaft 16 .

[0020] The lock tongue 18 is provided with a dial plate 20 extending outward, and the lock tongue 18 is conveniently controlled by the dial plate 20 .

[0021] The square shaft 6 is L-shaped, and a receiving groove 12 matching with the square shaft 6 is provided below the second plug-in hole 11. The L-shaped square shaft 6 is easier to hold and use, and is not easy to slip.

[0022] The working principle of the utility model is as follows: the gear encoder reading head of the utility model can be fixed by a mounting base 1 fixed at the bottom of the reading head body 2, or by a mounting frame 4 installed on the back of the reading head body 2, wherein the mounting frame 4 is composed of a plug-in board 5, a fixing plate 7 and a square shaft 6, the plug-in board 5 and the fixing plate 7 are rotatably connected, and the angle between the plug-in board 5 and the fixing plate 7 can be limited by the square shaft 6, so that the fixing of the utility model is not limited to a specific angle, thereby improving the flexibility of installation;

[0023] The mounting bracket 4 of the utility model is fixed with the mounting bracket buckle 3, which is convenient for the disassembly and assembly of the mounting bracket 4. The lower outer side of the card slot 10 for adapting the lock tongue 18 is provided with a chamfered surface 13. The chamfered surface 13 facilitates the disassembly of the mounting bracket 4 and can effectively prevent the lower edge of the lock tongue 18 from blocking the mounting bracket 4 during the disassembly process of the mounting bracket 4. The upper part of the lock tongue 18 is provided with a chamfered surface 19 on the side away from the positioning shaft 16. The chamfered surface 19 can make the installation of the mounting bracket 4 smoother during the installation process.

[0024] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A gear type encoder reading head, comprising a reading head body (2), characterized in that: A mounting seat (1) is fixedly arranged at the bottom of the reading head body (2), and a waist hole is respectively provided on both sides of the mounting seat (1). A mounting frame buckle (3) is fixedly arranged on the back of the reading head body (2), and a detachable mounting frame (4) is installed on the mounting frame buckle (3). The mounting frame (4) is composed of a plug-in plate (5), a fixing plate (7) and a square shaft (6). The fixing plate (7) is provided with two through grooves (8). The fixing plate (7) is rotatably connected to the plug-in plate (5) through a rotating shaft. A square plug-in hole (9) is provided at one end of the rotating shaft. A square plug-in hole (11) is provided on the plug-in plate (5) and matches the plug-in hole (9). The square shaft (6) is plugged into the plug-in hole (11) and the plug-in hole (9).

2. A gear-type encoder reading head according to claim 1, characterized in that: The mounting frame buckle (3) is composed of a buckle body (14), a positioning shaft (16), a spring (17) and a locking tongue (18). A positioning shaft fixing frame (15) is provided on each side of the buckle body (14). A positioning shaft (16) is fixed to the inner middle of the positioning shaft fixing frame (15). The locking tongue (18) and the spring (17) are sequentially sleeved on the positioning shaft (16). A slot (10) cooperating with the locking tongue (18) is provided in the middle of each side of the plug board (5).

3. A gear-type encoder reading head according to claim 2, characterized in that: A first chamfered surface (13) is provided on the outer side of the lower portion of the locking slot (10), and a second chamfered surface (19) is provided on the upper portion of the locking tongue (18) on a side away from the positioning shaft (16).

4. The gear encoder reading head according to claim 2, characterized in that: The lock tongue (18) is provided with a shift plate (20) extending outwards.

5. The gear encoder reading head according to claim 1, characterized in that: The square shaft (6) is L-shaped, and a receiving groove (12) matching with the square shaft (6) is provided below the second plug-in hole (11).

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