Non-contact electric tool button

Abstract

The utility model provides a non-contact electric tool button. The non-contact electric tool button comprises a shaft center, a flexible rubber hose, a bolt piece, a sliding seat, a magnet, a spring, a PVB plate with an induction chip, an inner shield, an outer rear cover, an outer base and a mounting plate, the outer rear cover and the outer base cover to form a first assembly space; the bolt piece, the sliding seat, the magnet, the spring, the PVB plate, the inner shield and the mounting plate are all arranged in the first assembly space; the mounting plate is mounted at the bottom of the inner shield to form a second assembly space; the bolt piece, the sliding seat, the magnet, the spring and the PVB plate are all arranged in the second assembly space; the anti-vibration device has a good anti-vibration effect and a good function of preventing dust, oil stain, water vapor and salt mist, reliability and sensitivity are high, and the service life is directly prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric tool button technical field, concretely relates to a non -contact electric tool button. BACKGROUND

[0002] China authorized announcement number CN213277912U, authorized announcement day is May 25, 2021, and the utility model name is a magnetic rotary button formula switch, including shell, induction assembly and jackscrew, the shell hollow setting forms has accommodation cavity, the induction assembly sets up in accommodation cavity, the shell still is provided with the insertion hole formation and the through of accommodation cavity, the jackscrew is set up on the insertion hole, the induction assembly includes magnetic plate, isolation board and FPC circuit board, the isolation board sets up between magnetic plate and FPC circuit board, the FPC board extends out the shell setting and forms the insertion pin, the magnetic plate is attached on the shell, the jackscrew is provided with magnet, the magnet sets up in accommodation cavity, the magnet is close to or away from induction assembly and forms the closure or disconnection of switch with jackscrew, the jackscrew and shell outer wall still resist and contact reset spring for resetting jackscrew. Its simple structure is conducive to implementation and use popularization. The defects of the prior art are: lack of stability, facing relatively harsh use environment, easy to cause oil stains, dust and water vapor, salt mist accumulation, affect the sensitivity of induction, and affect the service life. In view of this situation, it is urgent to solve. UTILITY MODEL CONTENT

[0003] In view of the above problems, the utility model provides a non -contact electric tool button, has good anti -vibration effect, and has good dust, oil stain, water vapor and salt mist function, high reliability and sensitivity, directly improves the service life.

[0004] To achieve the above object, the utility model solves through the following technical scheme: a non -contact electric tool button, including axis, soft rubber tube, bolt, sliding seat, magnet, spring, PVB board with induction chip, inner shield, outer rear cover, outer base, mounting plate, the outer rear cover and the outer base cover form first assembly space, bolt, sliding seat, magnet, spring, PVB board, inner shield, mounting plate are all set up in the first assembly space, the mounting plate is installed in the bottom of the inner shield and forms second assembly space, the bolt, sliding seat, magnet, spring, PVB board are all set up in the second assembly space,

[0005] The PVB plate is installed on the upper surface of the mounting plate, the latch is installed on one side of the upper surface of the PVB plate, the sliding seat is arranged above the PVB plate, the magnet is installed on the bottom of the sliding seat and the position corresponds to the PVB plate, and a gap is formed between the magnet and the PVB plate; a first receiving groove for the spring to extend into is formed in one side of the sliding seat, one end of the spring extends into the first receiving groove and abuts against the first receiving groove, and the other end of the spring abuts against the inner cover;

[0006] The other side of the sliding seat opposite to the first receiving groove is provided with a second receiving groove for the shaft to be inserted into, the first receiving groove and the second receiving groove are coaxially arranged, one side of the shaft is inserted into the second receiving groove from outside and connected with the sliding seat through a positioning pin; the shaft and the positioning pin form a vertical relationship;

[0007] The soft rubber tube is sleeved on the outer surface of the shaft, the side of the soft rubber tube extending into the first assembly space abuts against the inner cover, and the other side of the soft rubber tube abuts against the limiting boss; the position of the magnet on the PVB plate is changed by the sliding seat to realize the on-off of the switch.

[0008] Preferably, a spring supporting bump is arranged on the mounting plate and located below the spring.

[0009] Preferably, the sliding seat is provided with a positioning hole for receiving the positioning pin.

[0010] Preferably, a guide ring is formed on the side of the inner cover close to the shaft, and the outer diameter of the shaft is equal to the inner diameter of the guide ring.

[0011] Preferably, one side of the soft rubber tube is sleeved on the outer side of the guide ring, and the inner diameter of the soft rubber tube is equal to the outer diameter of the side of the guide ring away from the inner cover.

[0012] Preferably, the free end of the shaft is formed into a positioning end with a hexagonal cross section, and a cap is sleeved on the outer side of the positioning end; a plurality of first buckling bumps are formed on the outer side of the positioning end, and the cap is provided with a plurality of first buckling holes matched with the first buckling bumps.

[0013] Preferably, the inductive chip is a Hall chip or a TMR chip.

[0014] Preferably, the outer base is formed with an extension protruding into the outer rear cover; and the outer side of the extension protruding is in abutting contact with the inner side wall of the outer rear cover.

[0015] Preferably, the outer side of the mounting plate is formed in a stepped manner, and the bottom of the inner cover is formed with a fitting groove matched with the outer side of the mounting plate.

[0016] Preferably, the outer side of the extending protruding edge is provided with a second fastening protruding block, and the outer rear cover is provided with a second fastening hole matched with the second fastening protruding block at a position corresponding to the second fastening protruding block.

[0017] The beneficial effects of the present application are as follows: the outer rear cover and the outer base cover form a first assembly space, the mounting plate is installed at the bottom of the inner cover to form a second assembly space, the latch, the sliding seat, the magnet, the spring and the PVB plate are all arranged in the second assembly space, so that the structure has good anti-vibration and anti-shake effects, and the double-assembly-space structure effectively prevents dust, oil stains, water vapor and salt mist from entering the second assembly space, and in combination with the non-contact control structure, the structure has high reliability and sensitivity, and the service life is directly improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 The present application is a perspective view.

[0019] Fig. 2 The present application is an exploded view.

[0020] Fig. 3 The present application is a sectional view.

[0021] The reference signs are: inner cover 10, shaft 18, soft rubber tube 17, latch 13, sliding seat 20, magnet 22, spring 14, PVB plate 23, outer rear cover 15, outer base 11, mounting plate 21, positioning pin 12, positioning hole 16, cap 19, first fastening protruding block 24, first fastening hole 25, first storage groove 26, spring support protruding block 27, second storage groove 28, limiting protruding block 29, guide ring 30, positioning end 31, extending protruding edge 32, second fastening protruding block 33, second fastening hole 34. DETAILED DESCRIPTION

[0022] The present application will be further described in detail below in combination with embodiments and drawings, but the embodiments of the present application are not limited thereto.

[0023] Reference Figs. 1-3The non-contact electric tool button is shown, which comprises a shaft 18, a soft rubber tube 17, a plug 13, a sliding seat 20, a magnet 22, a spring 14, a PVB plate 23 with an induction chip, an inner cover 10, an outer rear cover 15, an outer base 11, a mounting plate 21, and the induction chip is a Hall chip or a TMR chip. The outer rear cover 15 and the outer base 11 are provided to form a first assembly space; the plug 13, the sliding seat 20, the magnet 22, the spring 14, the PVB plate 23, the inner cover 10 and the mounting plate 21 are all arranged in the first assembly space; the mounting plate 21 is mounted at the bottom of the inner cover 10 to form a second assembly space; the plug 13, the sliding seat 20, the magnet 22, the spring 14 and the PVB plate 23 are all arranged in the second assembly space.

[0024] The PVB plate 23 is mounted on the upper surface of the mounting plate 21, the plug 13 is mounted on one side of the upper surface of the PVB plate 23, the plug end of the plug 13 is exposed outside the first assembly space; the sliding seat 20 is arranged above the PVB plate 23, the magnet 22 is mounted at the bottom of the sliding seat 20 and the position corresponds to the PVB plate 23, and a gap is formed between the magnet 22 and the PVB plate 23; one side of the sliding seat 20 is provided with a first receiving groove 26 for the spring 14 to extend into, one end of the spring 14 extends into the first receiving groove 26 and abuts and contacts with the first receiving groove 26, and the other end of the spring 14 abuts and contacts with the inner cover 10;

[0025] The other side of the sliding seat 20 opposite to the first receiving groove 26 is provided with a second receiving groove 28 for the shaft 18 to insert into, and the first receiving groove 26 and the second receiving groove 28 are coaxially arranged, one side of the shaft 18 is inserted into the second receiving groove 28 and connected with the sliding seat 20 through the positioning pin 12; the sliding seat 20 is provided with a positioning hole 16 for receiving the positioning pin 12, and the shaft 18 and the positioning pin 12 form a vertical relationship;

[0026] The soft rubber tube 17 is sleeved on the outer surface of the shaft 18, the side of the shaft 18 away from the sliding seat 20 forms a limiting boss 29, one side of the soft rubber tube 17 extends into the first assembly space and abuts and contacts with the inner cover 10, and the other side of the soft rubber tube 17 abuts and contacts with the limiting boss 29;

[0027] The position of the magnet 22 on the PVB plate 23 is changed by the shaft 18 through the sliding seat 20 to realize the on-off of the switch.

[0028] Preferably, the mounting plate 21 is provided with a spring supporting bump 27 at the lower part of the spring 14, the spring 14 is provided with a supporting force through the spring supporting bump 27, and the displacement of the spring 14 is ensured when pressed.

[0029] Preferably, the inner cover 10 is formed with a guide ring 30 on the side close to the shaft 18, and the outer diameter of the shaft 18 is equal to the inner diameter of the guide ring 30. By arranging the guide ring 30, the stability of the button operation is improved, and the shaking or deviation is prevented, thereby improving the control accuracy. The soft rubber tube 17 is sleeved on the outer side of the guide ring 30, and the inner diameter of the soft rubber tube 17 is equal to the outer diameter of the side of the guide ring 30 away from the inner cover 10. By such a structure, the sealing degree of the soft rubber tube 17 and the guide ring 30 is improved.

[0030] Preferably, the free end of the shaft 18 is formed with a positioning end 31 with a hexagonal cross section, and the outer side of the positioning end 31 is sleeved with a cap 19. The outer side of the positioning end 31 is formed with a plurality of first buckling protrusions 24, and the cap 19 is formed with a plurality of first buckling holes 25 matched with the first buckling protrusions 24. By matching the first buckling protrusions 24 and the first buckling holes 25, the assembly convenience is improved.

[0031] Preferably, the outer base 11 is formed with an extension protrusion 32 inserted into the outer rear cover 15, and the outer side of the extension protrusion 32 is in contact with the inner side wall of the outer rear cover 15. By such a structure, the sealing degree of the first assembly space is further improved.

[0032] Preferably, the outer side of the mounting plate 21 is formed in a stepped shape, and the bottom of the inner cover 10 is formed with a fitting groove matched with the outer side of the mounting plate 21. By such a structure, the sealing degree of the second assembly space is further improved.

[0033] Preferably, the outer side of the extension protrusion 32 is provided with a second buckling protrusion 33, and the outer rear cover 15 is formed with a second buckling hole 34 matched with the second buckling protrusion 33 at the position corresponding to the second buckling protrusion 33. By such a structure, the assembly of the outer rear cover 15 and the outer base 11 is facilitated, and the assembly speed is improved.

[0034] In the embodiment, the outer rear cover and the outer base cover form the first assembly space, the mounting plate is installed at the bottom of the inner cover to form the second assembly space, and the pin, the slide, the magnet, the spring and the PVB plate are arranged in the second assembly space, so that the structure has good anti-vibration and anti-shake effect. In addition, the double assembly space structure effectively prevents dust, oil stains, water vapor and salt mist from entering the second assembly space, and in combination with the non-contact control structure, the reliability and sensitivity of the structure are high, and the service life is directly improved.

[0035] The above embodiment only expresses one implementation manner of the utility model, and the description is relatively specific and detailed, but cannot be understood as the limitation of the utility model patent scope. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A non-contact power tool button, characterized by, It comprises an axle (18), a soft rubber tube (17), a latch (13), a slide (20), a magnet (22), a spring (14), a PVB plate with an induction chip (23), an inner cover (10), an outer back cover (15), an outer base (11), a mounting plate (21); The outer back cover (15) and the outer base (11) form a first assembly space; the latch (13), the slide (20), the magnet (22), the spring (14), the PVB plate (23), the inner cover (10), and the mounting plate (21) are all arranged in the first assembly space; the mounting plate (21) is mounted at the bottom of the inner cover (10) to form a second assembly space; the latch (13), the slide (20), the magnet (22), the spring (14), and the PVB plate (23) are all arranged in the second assembly space. The PVB plate (23) is mounted on the upper surface of the mounting plate (21), the latch (13) is mounted on one side of the upper surface of the PVB plate (23), the slide (20) is arranged above the PVB plate (23), the magnet (22) is mounted at the bottom of the slide (20) and corresponds to the PVB plate (23), and a gap is formed between the magnet (22) and the PVB plate (23); one side of the slide (20) is provided with a first receiving groove (26) for the spring (14) to extend into, one end of the spring (14) extends into the first receiving groove (26) and abuts the first receiving groove (26), and the other end of the spring (14) abuts the inner cover (10); The other side of the slide (20) opposite to the first receiving groove (26) is provided with a second receiving groove (28) for the axle (18) to insert into, the first receiving groove (26) and the second receiving groove (28) are coaxially arranged, one side of the axle (18) is inserted into the second receiving groove (28) from the outside and connected with the slide (20) through a positioning pin (12); the axle (18) and the positioning pin (12) form a vertical relationship; The soft rubber tube (17) is sleeved on the outer surface of the axle (18), the axle (18) is formed with a limiting boss (29) away from the slide (20), one side of the soft rubber tube (17) extends into the first assembly space and abuts the inner cover (10), and the other side of the soft rubber tube (17) abuts the limiting boss (29); The position transformation of the magnet (22) on the PVB plate (23) driven by the slide (20) through the axle (18) realizes the on-off of the switch.

2. A non-contact power tool button according to claim 1, wherein, A spring supporting bump (27) is arranged on the mounting plate (21) and below the spring (14).

3. A non-contact power tool button according to claim 1, wherein, The slide (20) is provided with a positioning hole (16) for receiving the positioning pin (12).

4. The non-contact power tool button of claim 1, wherein, The inner cover (10) is formed with a guide ring (30) on the side close to the axle (18), and the outer diameter of the axle (18) is equal to the inner diameter of the guide ring (30).

5. A non-contact power tool button according to claim 4, wherein, The soft rubber tube (17) is sleeved on the outer side of the guide ring (30), and the inner diameter of the soft rubber tube (17) is equal to the outer diameter of the guide ring (30) away from the inner cover (10).

6. A non-contact power tool button according to any one of claims 1-5, wherein, The free end of the shaft (18) is formed as a positioning end (31) with a hexagonal cross section, and the outer side of the positioning end (31) is sleeved with a sleeve cap (19); the outer side of the positioning end (31) is formed with a plurality of first fastening protrusions (24), and the sleeve cap (19) is provided with a plurality of first fastening holes (25) matched with the first fastening protrusions (24).

7. A non-contact power tool button according to claim 6, wherein, The sensing chip is a Hall chip or a TMR chip.

8. The non-contact power tool button of claim 1, wherein, The outer base (11) is formed with an extension protrusion (32) inserted into the outer rear cover (15); the outer side of the extension protrusion (32) is in contact with the inner side wall of the outer rear cover (15).

9. The non-contact power tool button of claim 1, wherein, The outer side of the mounting plate (21) is formed in a stepped shape, and the bottom of the inner cover (10) is formed with an embedded groove matched with the outer side of the mounting plate (21).

10. A non-contact power tool button according to claim 8, wherein, The outer side of the extension protrusion (32) is provided with a second fastening protrusion (33), and the outer rear cover (15) is provided with a second fastening hole (34) matched with the second fastening protrusion (33) at a position corresponding to the second fastening protrusion (33).

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