CN214129401U

CN214129401U - Reciprocating mechanism and fascia gun

Info

Publication number: CN214129401U
Application number: CN202022496849.6U
Authority: CN
Inventors: 舒丽锋; 沈首良
Original assignee: Zhejiang Honghei Technology Co ltd
Current assignee: Zhejiang Honghei Technology Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-09-07
Anticipated expiration: 2030-11-02

Abstract

The utility model discloses a reciprocating mechanism and fascia rifle, reciprocating mechanism includes the power spare, is equipped with the cam above the power spare, is equipped with the slide bar of eccentric settings on the cam, and the slide bar is fixed on the cam, is equipped with the slider on the slide bar, is equipped with the axostylus axostyle of back and forth reciprocating motion on the slider, and the slider is fixed below the axostylus axostyle, the utility model discloses reciprocating mechanism adopts the eccentric wheel to drive the slider reciprocating motion through the slide bar to drive the axostylus axostyle on the slider reciprocating motion together; the sliding rod on the eccentric wheel moves in a reciprocating mode left and right in the sliding block, the acting force of the sliding rod on the sliding block is only forward or backward, the axis of the shaft rod is always overlapped with the axis of the front cover, the shaft rod is not prone to deviation after being used for a long time, and vibration and noise are small.

Description

Reciprocating mechanism and fascia gun

Technical Field

The utility model relates to a manadesma rifle field specifically is a reciprocating motion mechanism and manadesma rifle.

Background

The fascia gun is a soft tissue rehabilitation tool, relaxes the soft tissue of a body through high-frequency impact, is an effective method for treating soft tissue pain, stimulates the proprioceptive function of the fascia gun, further plays a role in effectively relieving muscle tension and achieves the aim of relieving pain.

The existing fascia gun drive mostly adopts a cam to drive a connecting rod to rotate, the front end of the connecting rod rotates back and forth, the driven shaft rod reciprocates back and forth, a massage head at the front end of the shaft rod impacts a corresponding part at a high speed, the structure is complex to install, the cam rotates for a circle, the connecting rod changes the tension direction of the shaft rod constantly, and after the fascia gun drive is used for a long time, the shaft rod vibrates and generates noise easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a reciprocating mechanism and a fascia gun, the reciprocating mechanism of the utility model adopts an eccentric wheel to drive a slide block to reciprocate through a slide bar, thereby driving a shaft lever on the slide block to reciprocate together; the sliding rod on the eccentric wheel moves in a reciprocating mode left and right in the sliding block, the acting force of the sliding rod on the sliding block is only forward or backward, the axis of the shaft rod is always overlapped with the axis of the front cover, the shaft rod is not prone to deviation after being used for a long time, and vibration and noise are small.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

the reciprocating mechanism comprises a power part, wherein a cam is arranged above the power part, a sliding rod is eccentrically arranged on the cam, the sliding rod is fixed on the cam, a sliding block is arranged on the sliding rod, a shaft rod which can reciprocate back and forth is arranged on the sliding block, and the sliding block is fixed below the shaft rod.

The sliding block is oblong, a sliding groove matched with the sliding rod is formed in the sliding block, the sliding groove is strip-shaped, a rolling bearing is arranged on the sliding rod, and the rolling bearing is abutted to the inner side face of the sliding groove.

A notch groove is arranged below the shaft lever, the width of the notch groove is consistent with that of the sliding block, and the sliding block is fixed in the notch groove through a bolt.

The power part is a motor, and an output shaft of the motor is detachably connected with the center of the cam.

The shaft rod is provided with a fixing structure for improving stability, and the fixing structure comprises a fixing sleeve and/or a retainer.

The fixed external member comprises a linear bearing and a bearing seat, the shaft lever can be movably arranged in the linear bearing in the front-back direction, and the linear bearing is arranged in the bearing seat.

The holder comprises four connecting rods, and the four connecting rods are connected end to form a crossed telescopic rod.

The utility model provides a fascia rifle, includes reciprocating motion mechanism, and reciprocating motion mechanism below is equipped with the supporter, is equipped with the shell outside the supporter, and the supporter front end is equipped with the protecgulum, and the axostylus axostyle front end passes through bolt fixed connection with the protecgulum, and bearing frame and supporter body coupling, the shell below is equipped with the handle, is equipped with the battery in the handle, and the shell rear is equipped with control chip. Compared with the prior art, the reciprocating mechanism and the fascia gun adopting the technical scheme have the following beneficial effects:

firstly, adopt the utility model discloses a manadesma rifle, reciprocating motion mechanism adopt the eccentric wheel to pass through the slide bar and drive slider reciprocating motion to the axostylus axostyle that drives on the slider is reciprocating motion together.

And a sliding rod on the eccentric wheel moves in a reciprocating manner left and right in the sliding block, and the acting force of the sliding rod on the sliding block is only forward or backward, so that the axis of the shaft rod is always superposed with the axis of the front cover, the shaft rod is not easy to deviate after being used for a long time, and the vibration and the noise are small.

Drawings

Fig. 1 is a schematic structural view of a fascial gun.

Fig. 2 is a schematic view of the disassembled structure of the fascial gun.

Reference numerals: 1. a cam; 11. a slide bar; 12. a rolling bearing; 2. a slider; 21. a chute; 3. a shaft lever; 31. a notch groove; 4. a fixation kit; 41. a linear bearing; 42. a bearing seat; 5. a holder; 51. a cross-type telescopic rod; 6. a support body; 7. a housing; 71. a handle; 72. a front cover.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1 to 2, a fascia gun comprises a housing 7, a support body 6 is arranged in the housing 7, a front cover 72 is arranged at the front end of the support body 6, the front end of a shaft lever 3 is fixedly connected with the front cover 72 through a bolt, a bearing seat 42 is integrally connected with the support body 6, a handle 71 is arranged below the housing 7, a battery is arranged in the handle 71, and a control chip is arranged at the rear of the housing 7; the support body 6 is provided with a reciprocating mechanism which comprises a power part, a cam 1 is arranged above the power part, a sliding rod 11 which is eccentrically arranged is arranged on the cam 1, the sliding rod 11 is fixed on the cam 1, a sliding block 2 is arranged on the sliding rod 11, a shaft rod 3 which reciprocates back and forth is arranged on the sliding block 2, the sliding block 2 is fixed below the shaft rod 3, and the reciprocating mechanism adopts an eccentric wheel to drive the sliding block 2 to reciprocate through the sliding rod 11, so that the shaft rod 3 on the sliding block 2 is driven to reciprocate together; when the shaft lever 3 extends to the foremost end, the position of the eccentric wheel is 0 degree, when the eccentric wheel rotates clockwise for O degrees to 180 degrees, the slide block 2 and the shaft lever 3 are driven to move backwards together, when the eccentric wheel rotates for 181 degrees to 360 degrees, the slide groove 21 and the shaft lever 3 are driven to move forwards together, the eccentric wheel rotates in sequence, and the slide block 2 and the shaft lever 3 reciprocate in sequence to realize functions; the slide rod 11 on the eccentric wheel reciprocates left and right in the slide block 2, and the acting force of the slide rod 11 on the slide block 2 only moves forwards or backwards, so that the axis of the shaft rod 3 is always superposed with the axis of the front cover 72, the shaft rod is not easy to deviate after being used for a long time, and the vibration and the noise are small.

Slider 2 is the ellipse, be equipped with in the slider 2 with the spout 21 of slide bar 11 looks adaptation, spout 21 is the bar, be equipped with antifriction bearing 12 on the slide bar 11, antifriction bearing 12 and the inboard side butt of spout 21, antifriction bearing 12 makes slide bar 11 more smooth when driving slider 2 in spout 21, reduce the friction, prevent to block, and cam 1, the cooperation of slide bar 11 and slider 2 makes axostylus axostyle 3 atress simple, long-time use can not skew axis yet, reduce vibrations and noise.

The below of axostylus axostyle 3 is equipped with incision groove 31, and the width of incision groove 31 is unanimous with the width of slider 2, and slider 2 passes through the bolt fastening in incision groove 31, and incision groove 31 both sides carry on spacingly to slider 2 for after carrying out the pulling forward or backward to slider 2 for a long time, the bolt is difficult to become flexible.

The power part is a motor, and an output shaft of the motor is detachably connected with the center of the cam 1.

Be equipped with the fixed knot who is used for improving stability on axostylus axostyle 3 and construct, fixed knot spare 4 and/or holder 5 are included to fixed knot spare, and in the motion process, fixed knot spare 4 and/or holder 5 let axostylus axostyle 3 keep balanced stable all the time, prevent that axostylus axostyle 3 from deviating from the axis and rotating.

The fixed sleeve 4 comprises a linear bearing 41 and a bearing seat 42, the shaft rod 3 is movably arranged in the linear bearing 41 in a front-back manner, and the linear bearing 41 is arranged in the bearing seat 42; the holder 5 comprises four connecting rods, the four connecting rods are connected end to form a cross type telescopic rod 51, a support body 6 is arranged below the holder 5, one corner of the cross type telescopic rod 51 is fixedly connected with one side of the support body 6, a connecting lug is arranged at one end of the shaft rod 3, and the opposite corner of the cross type telescopic rod 51 is fixedly connected with the connecting lug.

The supporter 6 adopts the preparation of whole modular aluminium system base, and bearing frame 42 is located supporter 6 middle part, and bearing frame 42 sets up with supporter 6 is integrative, and the motor is fixed in supporter 6 below, simple to operate, and the precision is higher.

The use process comprises the following steps:

1. when the shaft lever 3 extends to the foremost end, the position of the eccentric wheel is 0 degree, when the eccentric wheel rotates clockwise for O degrees to 180 degrees, the eccentric wheel drives the sliding block 2 to move backwards through the sliding rod 11 and the sliding groove 21, and therefore the shaft lever 3 on the sliding block 2 is driven to move backwards together.

2. When the rotary mechanism rotates 181-360 degrees, the shaft lever 3 of the sliding groove 21 is driven to move forwards together, the eccentric wheel rotates in sequence, and the sliding block 2 and the shaft lever 3 reciprocate in sequence to realize the function.

3. The rolling bearing 12 on the sliding rod 11 makes the sliding rod 11 more smooth when driving the sliding block 2 in the sliding groove 21, reduces friction and prevents blocking.

4. The acting force of the sliding rod 11 on the sliding block 2 is only forward or backward, so that the axis of the shaft lever 3 is always overlapped with the axis of the front cover 72, the shaft lever is not easy to deviate after being used for a long time, and the vibration and the noise are reduced.

5. The linear bearing 41 and the cross type telescopic rod 51 always keep the shaft lever 3 balanced and stable, and prevent the shaft lever 3 from deviating from the axis and rotating.

The above description is a preferred embodiment of the present invention, and a person skilled in the art can make several modifications and improvements without departing from the principles of the present invention, and these should also be regarded as the protection scope of the present invention.

Claims

1. The reciprocating mechanism is characterized by comprising a power part, wherein a cam (1) is arranged above the power part, a sliding rod (11) which is eccentrically arranged is arranged on the cam (1), the sliding rod (11) is fixed on the cam (1), a sliding block (2) is arranged on the sliding rod (11), a shaft lever (3) which can reciprocate back and forth is arranged on the sliding block (2), and the sliding block (2) is fixed below the shaft lever (3).

2. The reciprocating mechanism according to claim 1, wherein the sliding block (2) is oblong, a sliding groove (21) matched with the sliding rod (11) is formed in the sliding block (2), the sliding groove (21) is strip-shaped, a rolling bearing (12) is arranged on the sliding rod (11), and the rolling bearing (12) is abutted to the inner side face of the sliding groove (21).

3. A reciprocating mechanism according to claim 1, characterized in that a slot (31) is provided below the shaft (3), the slot (31) having a width corresponding to the width of the slide (2), the slide (2) being secured in the slot (31) by means of bolts.

4. A reciprocating mechanism as claimed in claim 1, wherein the power member is an electric motor, the output shaft of which is detachably connected to the centre of the cam (1).

5. A reciprocating mechanism according to claim 1, characterized in that the shaft (3) is provided with fixing structures for improved stability, the fixing structures comprising fixing elements (4) and/or holders (5).

6. A reciprocating mechanism according to claim 1, characterized in that the stationary sleeve (4) comprises a linear bearing (41) and a bearing seat (42), the shaft (3) being movably arranged back and forth in the linear bearing (41), the linear bearing (41) being arranged in the bearing seat (42).

7. A reciprocating mechanism according to claim 1, characterized in that the holder (5) comprises four links connected end to form a cross-shaped telescopic rod (51).

8. The fascia gun is characterized by comprising a reciprocating mechanism according to any one of claims 1 to 7, wherein a support body (6) is arranged below the reciprocating mechanism, a shell (7) is arranged outside the support body (6), a front cover (72) is arranged at the front end of the support body (6), the front end of a shaft rod (3) is fixedly connected with the front cover (72) through bolts, a bearing seat (42) is integrally connected with the support body (6), a handle (71) is arranged below the shell (7), a battery is arranged in the handle (71), and a control chip is arranged behind the shell (7).