CN209751602U - Reciprocating type physiotherapy rifle core - Google Patents
Reciprocating type physiotherapy rifle core Download PDFInfo
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- CN209751602U CN209751602U CN201920188075.5U CN201920188075U CN209751602U CN 209751602 U CN209751602 U CN 209751602U CN 201920188075 U CN201920188075 U CN 201920188075U CN 209751602 U CN209751602 U CN 209751602U
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- motor
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- eccentric
- guide shaft
- muzzle
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Abstract
The utility model relates to a reciprocating type physiotherapy rifle core, including motor, drive assembly and impact shaft, wherein: the motor is locked on a bolt seat of the mounting cavity, and a shock pad is sleeved between the motor and the bolt seat; the driving assembly comprises an eccentric block and a connecting rod, the eccentric block is locked on an output shaft of the motor, an eccentric shaft on the eccentric block is connected with the connecting rod through a bearing, the other end of the connecting rod is connected with one end of the impact shaft through a guide shaft, and a bearing is arranged between the guide shaft and the connecting rod; the middle section of the impact shaft is slidably constrained at the muzzle end by a guide shaft sleeve, and the guide shaft sleeve is locked at the outer end of the muzzle by a gland. The utility model adopts the modular design, the movement frame is isolated by the shock pad and directly locked with the motor, thereby effectively isolating and reducing the vibration generated by the moving part; the design of combining the duplex bearing, the operation is more put up smoothly, and the energy consumption is low, especially is suitable for the supporting of physiotherapy rifle, has both simplified the assembly flow, and the dismouting in the maintenance of convenience again.
Description
The technical field is as follows:
The utility model belongs to the field of massage equipment, in particular to a reciprocating type physiotherapy rifle core, especially can complement the core module on physiotherapy rifle or massage rifle.
Background art:
The existing physiotherapy guns, or called massage guns, tendon guns and the like, have a lot of published data and finished products, are roughly divided into two types, namely an electromagnetic driving type physiotherapy gun and a muscle and tendon gun, and have the characteristics of long stroke and high noise; and secondly, the motor is driven, the stroke is relatively short, the noise is low, and the jitter is obvious during operation. Both have advantages and disadvantages, which are also places that manufacturers cannot choose, and the situation that the two schemes coexist appears. As patent application No. 201520043026.4 discloses a novel manual massager, include the casing of compriseing body of a gun portion and petiole portion, still include the eccentric shaft, be provided with the eccentric shaft mount pad in the body of a gun portion, the one end of this body of a gun portion has been seted up the massage and has been connect the hole, and the eccentric shaft is installed and is connect the hole to stretch out from the massage on the eccentric shaft mount pad, and the massage head has been installed to the end that stretches out of this eccentric shaft, the built-in motor that is equipped with of handle of a gun portion, eccentric bearing have been installed to the output of this motor, this eccentric bearing with the eccentric shaft is swing joint, the plastics upper cover has been installed on motor upper portion, the eccentric bearing dress is established and is covered on the plastics, and the plastics lower. The structure is very simple, basically meets the massage requirement, but the eccentric shaft has poor concentricity when reciprocating, thereby not only consuming energy and generating noise, but also being easy to wear and shorten the service life of parts.
How to improve the prior art not enough, become the utility model discloses the object of research.
The invention content is as follows:
The utility model aims at designing a reciprocating type physiotherapy rifle core that motor, drive assembly and impact shaft form the modularized design.
The utility model discloses technical scheme realizes like this: the utility model provides a reciprocating type physiotherapy rifle core, including motor, drive assembly and impact shaft, its characterized in that: the machine core frame is provided with an upward and open installation cavity, and one end of the machine core frame is provided with a gun muzzle; the motor is fixedly locked on a bolt seat of the mounting cavity through an end cover or a motor frame, and a shock pad is sleeved between the motor and the bolt seat; the driving assembly comprises an eccentric block and a connecting rod, the eccentric block is locked on an output shaft of the motor, an eccentric shaft on the eccentric block is connected with the connecting rod through a bearing, the other end of the connecting rod is connected with one end of the impact shaft through a guide shaft, and a bearing is arranged between the guide shaft and the connecting rod; the middle section of the impact shaft is slidably constrained at the muzzle end by a guide shaft sleeve, and the guide shaft sleeve is locked at the outer end of the muzzle by a gland.
The guide shaft sleeve is sleeved with a rubber sleeve, the guide shaft sleeve, the muzzle and the gland are isolated by the rubber sleeve, and an assembly gap between the guide shaft sleeve and the muzzle is eliminated by means of the rubber sleeve.
the inner end face of the guide shaft sleeve is provided with an outward-extending annular edge, the rubber sleeve is provided with an edge covering matched with the outward-extending annular edge, and the outward-extending annular edge and the edge covering are extruded and fixed on the end face of the muzzle by the pressing cover.
The eccentric block is formed by heavy metal and is provided with a main shaft hole, an eccentric sector block and an eccentric shaft, wherein the eccentric sector block and the eccentric shaft are separately arranged on two sides of the main shaft hole to keep the gravity center balance.
The machine core frame is arranged at the bottom of the installation cavity and corresponds to a projection area of the motor, a battery embedding seat is further formed, two to three electrode plates are arranged on the edge of the embedding seat, and the electrode plates are electrically connected with the motor.
Bolt seats are formed in the vertical direction and the front-back direction of the movement frame, and corresponding convex rails are formed on the two sides of the movement frame outwards.
the utility model adopts the modularized design, the movement frame is directly locked with the motor through the isolation of the shock pad, and is directly transmitted to the movement frame through the isolation of the rubber sleeve and the positioning structure of the impact shaft, thereby effectively isolating and reducing the vibration generated by the moving part and the impact part, and leading the physical therapy gun to be held more stably; the design of combining the duplex bearing, the operation is more put up smoothly, and the energy consumption is low, especially is suitable for the supporting of physiotherapy rifle, has both simplified the assembly flow, and the dismouting in the maintenance of convenience again.
Description of the drawings:
The present invention will be further explained with reference to the following specific drawings:
FIG. 1 is a schematic view of a physiotherapy gun movement
FIG. 2 is a cross-sectional view of the core of the physiotherapy gun
FIG. 3 is an enlarged view of part A of FIG. 2
FIG. 4 is an exploded view of the physiotherapy gun
Wherein
1-motor 11-motor frame 12-shock pad 2-impact shaft
21-guide shaft 3-movement frame 31-installation cavity 32-muzzle
33-bolt seat 34-convex rail 35-battery embedded seat 36-electrode plate
4-gland 5-eccentric block 51-main shaft hole 52-eccentric sector block
53-eccentric shaft 6-connecting rod 7-guide shaft sleeve 71-flared annular edge
8-rubber sleeve 81-edge covering 9-bearing
The specific implementation mode is as follows:
Referring to fig. 1 to 4, the reciprocating type physiotherapy gun movement includes a motor 1, an impact shaft 2, a movement frame 3, a pressing cover 4, and an eccentric block 5 and a connecting rod 6 constituting a driving assembly.
The movement frame 3 is provided with an upward and open installation cavity 31, and a muzzle 32 is formed at one end; bolt seats 33 are formed in the vertical direction and the front-rear direction of the movement frame 3, and corresponding convex rails 34 are formed outwardly on both sides. The motor 1 is locked on a bolt seat 33 of the core frame mounting cavity 31 through an end cover or a motor frame 11, namely an upward bolt seat; and a shock absorption pad 12 is sleeved between the bolt seat 33 to form vibration isolation of moving parts.
The driving component comprises an eccentric block 5 and a connecting rod 6; the eccentric block is formed by heavy metal and is provided with a main shaft hole 51, an eccentric sector block 52 and an eccentric shaft 53, wherein the eccentric sector block 52 and the eccentric shaft 53 are separately arranged at two sides of the main shaft hole 51, the center of gravity is overlapped with the center of the main shaft hole, the center of gravity is kept balanced, and the vibration caused by eccentric rotation is reduced; the eccentric sector blocks 52 and the eccentric shaft 53 form a flywheel disc, so that the flywheel disc has higher motion inertia and improves the driving force of the eccentric shaft 53. The eccentric block 5 is locked on the output shaft of the motor 1 through a main shaft hole 51, an eccentric shaft 53 on the eccentric block is connected with one end of a connecting rod 6 after passing through a bearing 9, the other end of the connecting rod 6 is connected with one end of the impact shaft 2 through a guide shaft 21, and a bearing 9 is arranged between the guide shaft 21 and the connecting rod 6; the two ends of the connecting rod 6 are in motion fit through the bearings 9, and the abrasion and the noise are reduced due to smooth operation. Alternatively, the guide shaft 21 may be machined directly from the impact shaft 2.
The middle section of the impact shaft 2 is slidably constrained at the muzzle end by a guide shaft sleeve 7, and the guide shaft sleeve 7 is locked at the outer end of the muzzle 32 by a gland 4. Further, the guide shaft sleeve 7 is externally sleeved with a rubber sleeve 8, the guide shaft sleeve 7, the muzzle 32 and the gland 4 are isolated by the rubber sleeve 8, and the assembly gap among the guide shaft sleeve 7, the muzzle 32 and the gland 4 is eliminated by means of the rubber sleeve 8, so that the reduction of actions and reaction force of the impact shaft 2 is facilitated, and the transmission is realized through the guide shaft sleeve 7.
The inner end surface of the guide shaft sleeve 7 is provided with an outward extending ring edge 71, the rubber sleeve 8 is provided with a covered edge 81 matched with the outward extending ring edge 71, and the outward extending ring edge 71 and the covered edge 81 are extruded and fixed on the end surface of the muzzle 32 by the gland 4, so that the concentricity of the impact shaft 2 and the guide shaft sleeve 7 is kept, and the running noise can be reduced.
In addition, the movement frame 3 is also provided with a battery embedding seat 35 at the bottom of the installation cavity corresponding to the projection area of the motor 1, two to three electrode plates 36 are arranged at the edge of the embedding seat 35, and the electrode plates 36 are electrically connected with the motor 1 to access electric power and control signals.
Claims (6)
1. The utility model provides a reciprocating type physiotherapy rifle core, including motor, drive assembly and impact shaft, its characterized in that: the machine core frame is provided with an upward and open installation cavity, and one end of the machine core frame is provided with a gun muzzle; the motor is fixedly locked on a bolt seat of the mounting cavity through an end cover or a motor frame, and a shock pad is sleeved between the motor and the bolt seat; the driving assembly comprises an eccentric block and a connecting rod, the eccentric block is locked on an output shaft of the motor, an eccentric shaft on the eccentric block is connected with the connecting rod through a bearing, the other end of the connecting rod is connected with one end of the impact shaft through a guide shaft, and a bearing is arranged between the guide shaft and the connecting rod; the middle section of the impact shaft is slidably constrained at the muzzle end by a guide shaft sleeve, and the guide shaft sleeve is locked at the outer end of the muzzle by a gland.
2. the reciprocating physiotherapy gun cartridge of claim 1, wherein: the guide shaft sleeve is sleeved with a rubber sleeve, the guide shaft sleeve, the muzzle and the gland are isolated by the rubber sleeve, and an assembly gap between the guide shaft sleeve and the muzzle is eliminated by the rubber sleeve.
3. A reciprocating physiotherapy gun cartridge according to claim 1 or claim 2, wherein: the inner end face of the guide shaft sleeve is provided with an outward-extending annular edge, the rubber sleeve is provided with an edge covering matched with the outward-extending annular edge, and the outward-extending annular edge and the edge covering are extruded and fixed on the end face of the muzzle by the gland.
4. The reciprocating physiotherapy gun cartridge of claim 1, wherein: the eccentric block is formed by heavy metal and is provided with a main shaft hole, an eccentric sector block and an eccentric shaft, wherein the eccentric sector block and the eccentric shaft are separately arranged on two sides of the main shaft hole to keep the gravity center balance.
5. a reciprocating physiotherapy gun cartridge according to claim 1 or claim 2, wherein: the machine core frame is arranged at the bottom of the installation cavity, corresponds to a projection area of the motor, and is also provided with a battery embedding seat, two to three electrode plates are arranged at the edge of the embedding seat, and the electrode plates are electrically connected with the motor.
6. The reciprocating physiotherapy gun cartridge of claim 5, wherein: bolt seats are formed in the vertical direction and the front-back direction of the movement frame, and corresponding convex rails are formed on the two sides of the movement frame outwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920188075.5U CN209751602U (en) | 2019-02-03 | 2019-02-03 | Reciprocating type physiotherapy rifle core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920188075.5U CN209751602U (en) | 2019-02-03 | 2019-02-03 | Reciprocating type physiotherapy rifle core |
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| Publication Number | Publication Date |
|---|---|
| CN209751602U true CN209751602U (en) | 2019-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920188075.5U Active CN209751602U (en) | 2019-02-03 | 2019-02-03 | Reciprocating type physiotherapy rifle core |
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| Country | Link |
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| CN (1) | CN209751602U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110882147A (en) * | 2019-12-27 | 2020-03-17 | 厦门海源鑫电子科技有限公司 | Fascia gun |
-
2019
- 2019-02-03 CN CN201920188075.5U patent/CN209751602U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110882147A (en) * | 2019-12-27 | 2020-03-17 | 厦门海源鑫电子科技有限公司 | Fascia gun |
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