CN220582192U - Sucking disc fixing seat and fascia gun with same - Google Patents

Abstract

The utility model relates to the field of machinery, in particular to a sucker fixing seat and a fascia gun with the sucker fixing seat. The common sucker with the piston and the reset spring needs to be manually pressed, and the sucker is pumped, so that the pumping effect is poor and the adsorption is unstable. Therefore, the utility model provides the sucker fixing seat and the fascia gun with the same, wherein the sucker fixing seat comprises a seat body and a sucker fixedly arranged at the bottom of the seat body, a piston cavity is arranged on the seat body, a piston is detachably connected in the piston cavity, the inner end of the piston is arranged in the piston cavity, the outer end of the piston is arranged as a connecting end and is detachably connected with a driving piece which reciprocates axially, and the piston can reciprocate along with the driving piece to suck air to ensure the suction of the sucker to be fixed. The sucker fixing seat does not need a spring, and the piston reciprocates the sucker along with the driving piece to suck air, so that the air suction effect is good. The sucking disc fixing base can be matched with the fascia gun, the driving executing piece of the fascia gun host is utilized to drive the piston, suction is carried out on the sucking disc to enable the sucking disc to adsorb the fascia gun, and then the fascia gun is positioned by the sucking disc fixing base, so that the massaging effect of the fascia gun is improved.

Description

Sucking disc fixing seat and fascia gun with same

Technical Field

The utility model relates to the field of machinery, in particular to a sucker fixing seat and a fascia gun with the sucker fixing seat.

Background

The common sucker fixing seat with the piston and the reset spring gradually extracts air in the inner cavity of the sucker by manually pressing the piston, so that a certain air pressure difference is formed inside and outside the inner cavity of the sucker, the sucker is adsorbed and fixed on a smooth surface, and then other articles such as hanging pictures, other ornaments, supporting appliances and the like are arranged by using the sucker fixing seat as a mounting platform. But this kind of manual structure of pressing exhaust needs the spring in order to promote the piston and falls back and reset, along with pressing and going on the negative pressure in the piston chamber to increase gradually, and the piston falls back the distance and shortens, and then the piston presses the stroke and shortens, continues to press the piston and can obviously weaken the effect of bleeding to the sucking disc, leads to the last effect of bleeding of sucking disc to be poor and adsorb not firm, and the sucking disc fixing base is easy not hard up even drops. Further, if the sucker fixing seat is used for supporting and fixing the fascia gun to massage the back and other back parts, the sucker fixing seat cannot firmly adsorb and can influence the massage effect of the fascia gun, and the sucker fixing seat falls off and can break the fascia gun.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide the sucker fixing seat and the fascia gun with the sucker fixing seat, wherein the sucker fixing seat does not need to be internally provided with a spring to push a piston to back and reset, and the piston is driven to reciprocate by a driving piece which is detachably connected, so that the sucker fixing seat is stable and controllable, has good air suction effect, can be firmly adsorbed on smooth surfaces of ceramic tiles, glass, aluminum-plastic plates and the like, and provides a firm and reliable appliance mounting platform. The fascia gun can be arranged on a smooth wall surface or a tabletop by using the sucker fixing seat, so that people can lean on the fascia gun to get close to the back parts of the massage head for massage.

One of the purposes of the utility model is realized by adopting the following technical scheme:

the utility model provides a sucking disc fixing base, includes the pedestal and sets firmly in the sucking disc of its bottom, is equipped with the piston chamber of intercommunication sucking disc inner chamber and external on the pedestal, its characterized in that, can dismantle the connection piston in the piston chamber, the piston chamber is put into to the piston inner, and the piston outer end sets up to the link, the link is used for dismantling the drive piece of connecting reciprocal axial motion to can follow the drive piece reciprocating motion, thereby make the piston take out the air in the sucking disc inner chamber fast, ensure the sucking disc firm absorption. According to the sucker fixing seat, the non-fixedly connected piston is connected with the non-fixedly connected driving piece, so that the driving piece drives the piston to perform stable and controllable reciprocating axial movement, suction is performed on the sucker, and the problems of shortened piston pressing stroke, reduced suction effect and the like caused by the fact that a spring pushes the piston to return are avoided; after the sucking disc is exhausted, the piston can be detached from the piston cavity, and the surface of the seat body is flat and has no protrusion. When the electric tool works, any electric tool such as a fascia gun, a reciprocating electric saw, an electric hammer and the like which can provide reciprocating axial movement can be matched with the sucker fixing seat to be used, a transmission piece which outputs the reciprocating axial movement in the electric tool is used as a driving piece to be connected with a piston, and the driving piston is used for driving the piston to work to suck air to the sucker, so that the sucker is firmly adsorbed. When the air extraction is finished, the driving piece can be detached from the piston, so that the adsorption effect of the sucker is not affected, and the reciprocating driving is used for replacing the conventional manual air extraction. The sucking disc of sucking disc fixing base is the flexible piece that can adsorb at smooth surface, and the pedestal is the rigid piece of support fixed article, is fixed connection between sucking disc and the pedestal.

Further, the driving piece connected with the outer end of the piston is a transmission rod or a transmission cylinder which axially moves in the handheld electric instrument, and the driving piece is in threaded connection or clamping connection or is connected or in interference insertion connection through a fastener; the axis of the piston cavity is coincident with or perpendicular to the axis of the sucker. The driving piece can be a transmission rod/a transmission cylinder which can do axial movement in various hand-held electric appliances so as to drive the piston to do axial reciprocating movement; the driving piece and the outer end of the piston can be in butt joint in various modes such as screw connection, clamping connection, connection through a fastener, interference insertion and the like, and the connection mode can be conveniently detached after the working is finished as long as the driving piece can drive the piston to move; the piston chamber may be vertically extending parallel to the central axis of the suction cup, where the piston chamber is perpendicular to the suction cup, or horizontally extending perpendicular to the central axis of the suction cup, where the piston chamber is parallel to the suction cup.

Further, the base body is fixedly connected with the sucker through a fastening bolt, a bolt hole is formed in the base body, a connecting piece with a screw hole is embedded in the sucker, the fastening bolt penetrates through the bolt hole to be screwed into the screw hole for fixing, and the bolt hole is a variable diameter hole formed by butt joint of an outer large-diameter cavity and an inner small-diameter cavity; the connecting piece comprises a rigid ring body and a plurality of bosses with screw holes, wherein the bosses are circumferentially distributed on the rigid ring body. The base body is fixedly connected with the sucker through a fastening bolt, the base body is provided with a reducing bolt hole for being screwed into the fastening bolt, a connecting piece with a screw hole is embedded in the sucker to serve as an insert, and the fastening bolt penetrates through the bolt hole to be screwed into the screw hole for locking, so that the base body is fixedly connected with the sucker. The large diameter cavity in the reducing bolt hole accommodates the bolt head, and the small diameter cavity accommodates the bolt rod. The sucker is usually made of flexible rubber or silica gel materials, the manufacturing of embedded inserts in the sucker belongs to the prior art, the connecting piece is rigid and is a torus, and the embedded inserts in the sucker play a supporting role, so that the structural stability of the sucker is kept; the fastening bolt is screwed into the screw hole of the boss to fix the base body and the sucker.

Further, at least one exhaust duct is arranged in the base body and is communicated with the piston cavity and the sucker inner cavity, the exhaust duct is a reducing hole, a positioning annular surface and a round hole in the middle of the positioning annular surface are formed at the reducing position, a one-way valve capable of opening and closing the round hole is fastened at the positioning annular surface, and the one-way valve is automatically opened when the piston moves outwards to exhaust air from the sucker inner cavity, so that air enters the piston cavity from the exhaust duct, and the one-way valve is automatically closed when the piston moves inwards to exhaust air from the piston cavity. The exhaust hole with the one-way valve is adjustably communicated with the piston cavity and the inner cavity of the sucker, wherein a positioning ring surface formed by reducing in the exhaust hole is used for installing the one-way valve, the middle round hole is matched with the one-way valve to realize one-way ventilation, the round hole is opened only when the piston moves outwards to suck air to the sucker, at the moment, air in the sucker can enter the piston cavity through the round hole, the one-way valve closes the round hole when the piston moves inwards, at the moment, the air sucked into the piston cavity cannot return to the sucker through the round hole, and only air can be exhausted to the outside; the exhaust pore channels with the one-way valves can accelerate the exhaust and the air suction speed to the sucker, and improve the reliability of the air suction operation, and even if the individual exhaust pore channels are blocked, other exhaust pore channels can work normally.

Furthermore, the one-way valve is an elastic membrane capable of tilting to expose the round hole or falling to cover the round hole, the piston sealing ring is sleeved outside the inner end of the piston to adjust the tightness with the side wall of the piston cavity, the sealing between the piston sealing ring and the side wall of the piston cavity is invalid when the piston moves inwards, and the sealing between the piston sealing ring and the side wall of the piston cavity is sealed when the piston moves outwards. The membrane is exposed or covers the round hole through elastic action to realize unidirectional air passing through the round hole, the round hole is exposed through elastic tilting of the membrane when the sucking disc is used for sucking air, and the membrane falls down to cover the round hole to prevent ventilation in other times; the piston adjusts the tightness with the side wall of the piston cavity through the piston sealing ring sleeved at the inner end of the piston, and then the airtight state between the piston and the piston cavity is changed, when the piston sealing ring works, the sealing is automatically kept or released according to the movement direction of the piston, when the piston moves inwards along the piston cavity, namely the side of the diaphragm, the sealing between the piston sealing ring and the side wall of the piston cavity fails, air in the piston cavity can be discharged from the position of the piston sealing ring in a leakage mode, the diaphragm covers the round hole, otherwise, the piston moves outwards, namely away from the side of the diaphragm, the piston sealing ring seals with the side wall of the piston cavity, the diaphragm is tilted to expose the round hole, and the air in the sucker cavity is sucked into the piston cavity through the round hole.

Further, the diaphragm comprises an annular body and an elastic body extending out of a neutral position at the inner side of the annular body, the annular body is pressed on the positioning annular surface through a pressure spring and is in sealing connection with the side wall of the piston cavity, a gap is formed between the elastic body and the annular body to form a deformation joint, the elastic body is tilted to expose the round hole under the action of air pressure when the piston moves outwards, and the elastic body falls to cover the round hole under the action of air pressure when the piston moves inwards. The annular body of diaphragm is pressing tightly with the jump ring simultaneously, sealing connection between annular body and the piston chamber lateral wall, the movement joint makes the elastomer can be relative annular body free movement, when the piston outwards removes, sealing connection between piston and the piston chamber this moment, along with the inside atmospheric pressure of piston chamber volume increase reduces, the atmospheric pressure effect makes the elastomer perk expose the round hole, to sucking disc pump air into the sucking disc inner chamber, when the piston inwards moves, the piston chamber volume reduces inside atmospheric pressure increase, the atmospheric pressure effect makes the elastomer return to the position and covers the round hole down, sealing failure between piston and the piston chamber this moment, the air in the piston chamber can only follow the airtight sealed ring department gas leakage discharge of airtight failure.

Further, the piston sealing ring consists of a sealing ring body and an elastic lip, wherein the outer edge of the elastic lip is continuous around the circumference, the sealing ring body is sleeved and fixed in a positioning groove arranged on the side wall of the inner end of the piston, and the elastic lip extends from the inner end of the piston to the outer end of the piston and is opened in a conical shape. When the piston is in operation, the elastic lip is folded inwards or unfolded outwards under the action of the air pressure difference between the air pressure in the piston cavity and the external atmospheric pressure, so that the tightness between the piston sealing ring and the side wall of the piston cavity is changed, and the air tightness between the piston and the piston cavity is regulated.

Further, a detachable limit seat is arranged on the seat body, a through hole is formed in the limit seat, the outer end of the piston penetrates through the through hole to be connected with the driving piece, or the driving piece penetrates through the through hole to be connected with the outer end of the piston. One of the piston and the driving piece passes through the through hole of the limit seat and is connected with the other one to drive the piston to reciprocate axially; the limiting seat is propped between the electric appliance and the seat body when in use, and the limiting seat can limit the relative position of the electric appliance and the sucker fixing seat through the thickness of the limiting seat, so that the piston is prevented from moving inwards to cross the head to strike the piston cavity; and the user is propped against the limiting seat when operating the electric appliance, so that the vibration influence on the user caused by the work of the electric appliance can be reduced, and the air suction process is easy and labor-saving.

The second object of the utility model is realized by the following technical scheme:

the fascia gun with the sucking disc fixing seat comprises a massage head and a host machine, wherein the host machine is provided with a transmission rod or a transmission cylinder which is driven by an eccentric wheel and can do reciprocating axial movement, and the massage head is detachably connected with the transmission rod or the transmission cylinder.

The fascia gun provided with the sucker fixing seat can be positioned and installed on a smooth surface, so that a person can lean on the fascia gun to get close to the back of the body such as the massage head massage back. When the fascia gun main machine is used, the transmission rod or the transmission cylinder of the fascia gun main machine is connected with the piston, the piston can be driven to reciprocate to suck air to the sucker, the sucker fixing seat is adsorbed on the smooth surface, then the transmission rod or the transmission cylinder is detached from the piston, the massage head is arranged on the transmission rod or the transmission cylinder, and the fascia gun main machine is fixed on the seat body through the matching piece, so that the back parts such as the back can be massaged.

The adapter is a circular ring with internal threads or clamping ribs, the host penetrates through the central hole of the circular ring, and after the circular ring is screwed on the external threads or the clamping grooves of the seat body, the host is fixed on the seat body; or the matching piece is a clamping piece, the clamping piece is buckled on the buckling part arranged on the seat body, the other end of the clamping piece is provided with a clamping part with an elastic clamping notch, and the clamping piece can clamp the host machine through the elastic clamping notch to fix the host machine on the seat body.

The mating member may be a ring or a snap or other structure that positions the fascia gun host on the mount. When the matching piece is a circular ring, the circular ring is screwed on the external thread or the clamping groove of the base body to be fixed with the base body, and meanwhile, the host fixing base body passing through the circular ring is fixed on the base body; when the matching piece is a clamping piece, the clamping piece clamps the host machine by utilizing the elastic clamping notch of the clamping part when being clamped on the seat body, the host machine is fixed on the seat body, and the clamping part on the seat body can be a clamping groove or a clamping ring. In order to improve the positioning effect, the main machine is preferably arranged as a reducing body, the inner diameter of the circular ring is larger than the small diameter section of the main machine but smaller than the large diameter section of the main machine, and the circular ring is sleeved from the small diameter section of the main machine and then screwed on the seat body, so that the main machine is positioned on the seat body.

Compared with the prior art, the utility model has the beneficial effects that: the sucking disc does not need to be internally provided with a spring, the piston can reciprocate along with the driving piece, the driving rod/driving cylinder which drives the driving rod/driving cylinder to execute reciprocating motion in the handheld electric appliance is used for driving the piston to do high-frequency axial reciprocating motion during operation, the sucking disc is pumped, the moving stroke of the piston is stable and controllable, the pumping effect is good, the operation is easy and labor-saving, after the air in the cavity of the sucking disc is pumped out, the air pressure in the cavity is reduced, the pressure difference between the air pressure and the atmospheric pressure is further enlarged, and under the action of the pressure difference, the sucking disc fixing seat is firmly adsorbed, is not easy to fall off, and a stable and reliable supporting platform can be provided. When the fascia gun is matched, the transmission rod/transmission cylinder can be used for driving the piston to axially move to extract air in the inner cavity of the sucker, and after the sucker is adsorbed, the fascia gun can be positioned by the sucker fixing seat, so that the massaging effect of the fascia gun on the parts which are not easy to massage by fingers is improved.

Drawings

Fig. 1: a structural cross-sectional view of embodiment 1.

Fig. 2: the structure of the connector of example 1 is schematically shown.

Fig. 3: a schematic diagram of a membrane as described in example 1.

Fig. 4: fig. 3 is a B-B cross-sectional view.

Fig. 5: an enlarged view of a portion a in fig. 1.

Fig. 6: an exploded view of the seal housing structure described in example 2.

Fig. 7: a structural cross-sectional view of example 2.

Fig. 8: a structural cross-sectional view of example 3.

Fig. 9: a structural cross-sectional view of example 4.

In the figure: 1. suction cup, 1-1. Lug, 1-2. Mounting bore, 2-1. Seat, 2-2. Large bore, 2-3. Counterbore, 3. Sleeve, 3-1. Air duct, 3-2. Flange, 4. Diaphragm, 4-1. Elastomer, 4-2. Deformation joint, 4-3. Locating part, 5. Snap spring, 6. Piston seal, 6-1. Elastic lip, 7. Piston, 7-1. Piston inner end, 7-2. Piston outer end, 7-3. Annular limit, 8. Front fixing sleeve, 9. Limit seat, 9-1. Through hole, 10. Rear fixing sleeve, 10-1. Circular ring, 11. Main body, 12. Connecting piece, 12-1. Screw hole, 12-2. Body, 12-3. Boss, 12-4. Injection bore, 13. Piston cavity, 13-1 locating part, 13-2. Circular hole, 14. Exhaust bore, 15. Transmission sleeve, 16. Cover plate, 16-1, 17-1 and pipe section, 17-2.

Detailed Description

The utility model is further described with reference to the accompanying drawings and detailed description.

Embodiment 1 is as shown in fig. 1-5, and is a sucker fixing seat, including a seat body 2 and a sucker 1 fixedly arranged at the bottom of the seat body, a piston cavity 13 which is communicated with the inner cavity of the sucker 1 and the outside is arranged on the seat body 2, the axis of the piston cavity 13 can be coincident with or perpendicular to the axis of the sucker 1, in this embodiment, preferably, the axes of the piston cavity 13 are coincident as shown in the figure, namely, the piston cavity 13 is vertically arranged on the sucker 1, a piston 7 is detachably connected in the piston cavity 13, the inner end 7-1 of the piston is arranged in the piston cavity 13, the outer end 7-2 of the piston is arranged as a connecting end, and the connecting end is used for detachably connecting a driving piece which reciprocates axially and can reciprocate along with the driving piece, so that the piston 7 can rapidly extract air in the inner cavity of the sucker 1, thereby realizing the air pressure difference between the inner cavity of the sucker and the outside and ensuring the firm absorption of the sucker 1.

The driving piece that the outer end 7-2 of the piston is connected is the transmission rod or the transmission cylinder of axial motion in the handheld electronic apparatus in the during operation, and the aforesaid handheld electronic apparatus can be common equipment such as fascial gun, reciprocating electric saw and electric hammer, and this embodiment is preferred small and exquisite portable fascial gun, uses the transmission cylinder 15 (see fig. 1) of installing the massage head in the fascial gun as the driving piece and drives the piston and do the reciprocal axial motion of high frequency, and to sucking disc bleed, makes its firm absorption, and piston reciprocating motion stroke is stable, and the effect to sucking disc bleed is better than original spring promotion piston reset manual press structure. In addition, the driving piece can also be a transmission rod provided with the massage head, and the transmission rod is connected with the outer end 7-2 of the piston in a threaded or clamping way or is connected with the outer end of the piston through a fastening piece or is in interference fit connection. In this embodiment, the outer end 7-2 of the piston is preferably fixed by an outer fixing sleeve, which is inserted into the transmission cylinder 15 and is in interference fit with the outer fixing sleeve, and two fixing sleeves, namely a front fixing sleeve 8 and a rear fixing sleeve 10, are respectively shown in the figure, and are embedded in the mounting grooves on the side wall of the outer end 7-2 of the piston. In order to facilitate the disassembly of the sucker fixing seat from the smooth surface, the bottom edge of the sucker 1 is also provided with an integrally extending lug 1-1, and the prying lug can enable gaps to be formed between the sucker edge and the adsorbed smooth surface, so that air can enter the sucker, and the sucker fixing seat can be disassembled from the smooth surface.

As shown in fig. 1, a base 2 is fixedly connected with a suction cup 1 through a fastening bolt (not shown in the figure), a bolt hole is arranged on the base 2, a connecting piece 12 with a screw hole 12-1 is embedded in the suction cup 1, the fastening bolt passes through the bolt hole and is screwed into the screw hole 12-1 to be fixed, and the bolt hole is a variable diameter hole formed by butt joint of an outer large-diameter cavity 2-1 and an inner small-diameter cavity 2-2. As shown in fig. 2, the connecting piece 12 in this embodiment includes a rigid annular body 12-2 and four bosses 12-3 circumferentially distributed thereon, each boss is provided with a screw hole 12-1, the top surface of each boss 12-3 is flush with the top surface of the suction cup 1, so as to facilitate fastening bolts to screw into the screw holes, and the base body 2 and the suction cup 1 are abutted, and four corresponding bolt holes circumferentially arranged are provided on the base body 2. When the seat body 2 and the sucker 1 are connected, the fastening bolt passes through the bolt hole and is screwed into the screw hole on the sucker to be screwed, so that the seat body and the sucker are fastened and connected, and the bolt head and the bolt rod of the fastening bolt are respectively positioned in the large-diameter cavity and the small-diameter cavity. In addition, the sucker is usually molded by flexible rubber or silica gel materials, and the manufacture of embedded inserts in the sucker is the prior art. In order to make the aforesaid connecting piece 12 more firmly embedded in sucking disc 1, still can encircle and set up a plurality of injection pore ways 12-4 that link up as shown on the ring body 12-2, when sucking disc and connecting piece integrated into one piece were made, the processing material of preparation sucking disc was filled with all injection pore ways, and after processing material solidification, the connecting piece was embedded more firmly on the sucking disc, and the connecting piece of ring shape is embedded to have the supporting effect to the sucking disc in the sucking disc simultaneously, makes the stable in structure of sucking disc not warp.

As shown in fig. 1 and 3-5, a cavity is arranged in the base 2, a sleeve 3 with two open ends is vertically arranged in the cavity at the center, the inner cavity of the sleeve 3 forms the piston cavity 13, the top end of the sleeve 3 is provided with a convex ridge 3-2 through the side wall to be propped against the inner end of the opening of the top wall of the base 2 upwards, the opening exposes the inlet of the piston cavity 13, the bottom end of the sleeve downwards props against the suction cup 1, an air duct 3-1 extends downwards along the axial direction at the center of the bottom end of the sleeve 3 and is inserted into the suction cup 1 to be communicated with the inner cavity of the suction cup, the outer diameter of the air duct 3-1 is smaller than the outer diameter of the sleeve 3, the inner cavity of the air duct 3-1 forms an exhaust channel 14, the exhaust channel 14 extends upwards to be communicated with the piston cavity 13, a positioning annular surface 13-1 at one end of the piston cavity 13 is formed at the communicating position of the two, a circular hole 13-2 communicating the piston cavity 13 and the exhaust channel 14 is arranged in the inner side of the positioning annular surface 13-1, a one-way valve is fastened at the position of the positioning annular surface 13-1, when the piston 7 is used for exhausting the inner cavity of the suction cup 1, the suction cup is automatically opened, and the air enters the piston cavity 13 from the exhaust channel 14. The check valve in this embodiment is an elastic membrane 4 capable of tilting to expose a round hole 13-2 or falling to cover the round hole, the membrane 4 comprises an annular body and an elastic body 4-1 extending from a neutral position on the inner side of the annular body, the annular body is pressed on the positioning annular surface 13-1 through a pressure spring 5 and is in sealing connection with the side wall of the piston cavity 13, four protruding positioning parts 4-3 uniformly distributed around the circumference on the annular body of the membrane 4 are propped against the clamping spring 5, the membrane 4 is ensured to be pressed between the clamping spring 5 and the positioning annular surface 13-1, a gap is formed between the elastic body 4-1 and the annular body to form a deformation joint 4-2, when the piston 7 moves towards the outer side away from the membrane 4, the elastic body 4-1 is tilted to expose the round hole 13-2, and when the piston 7 moves towards the inner side of the membrane 4, the elastic body 4-1 falls to cover the round hole 13-2. As shown in FIG. 5, the sealing ring 6 is sleeved outside the inner end 7-1 of the piston to adjust the tightness with the side wall of the piston cavity 13, the piston sealing ring 6 consists of a sealing ring body and an elastic lip 6-1 with the outer edge continuous around the circumference, the sealing ring body is sleeved and fixed in a positioning groove arranged on the side wall of the inner end 7-1 of the piston, and the elastic lip 6-1 extends from the inner end 7-1 of the piston to the outer end 7-2 of the piston and is opened in a conical shape.

When the driving piece drives the piston to move backwards outwards along the piston cavity, the internal air pressure is reduced along with the increase of the volume of the piston cavity between the piston and the diaphragm, when the air pressure in the piston cavity is smaller than the air pressure in the sucker, the elastic body is tilted to expose the round hole by the action of the air pressure, the sucker is pumped, air in the sucker cavity is sucked into the piston cavity through the round hole, meanwhile, the air pressure in the piston cavity is also smaller than the external atmospheric pressure, the elastic lip is outwards stretched by the action of the air pressure, the piston sealing ring and the side wall of the piston cavity are kept sealed, and the piston is further connected with the piston cavity in a sealing way; when the piston moves backwards and moves in place, the driving piece drives the piston to move forwards and inwards, the volume of the piston cavity is reduced, the internal air pressure of the piston cavity is increased, when the air pressure in the piston cavity is larger than the external air pressure, the elastic lip is folded inwards by the air pressure effect, the sealing between the piston sealing ring and the side wall of the piston cavity is invalid, and then the sealing connection between the piston and the piston cavity is invalid, at the moment, the air pressure effect enables the elastic body to return to a position to cover the round hole, so that air sucked into the piston cavity from the sucking disc cannot return to the sucking disc cavity through the round hole, at the moment, the air in the piston cavity can only be discharged from the position of the elastic lip in an air leakage way, the driving piece drives the piston to reciprocate, the air in the sucking disc cavity is continuously sucked into the piston cavity and discharged, and the air pressure difference between the sucking disc cavity and the atmospheric pressure is gradually enlarged, and firm adsorption is ensured.

As shown in fig. 1, the seat body 2 is further provided with a detachable limit seat 9, the limit seat 9 is provided with a through hole 9-1, and the outer end 7-2 of the piston is connected with the driving piece through the through hole 9-1 or the driving piece is connected with the outer end 7-2 of the piston through the through hole 9-1. The limiting seat is arranged between the electric appliance and the seat body when in use, so that the relative positions of the electric appliance and the sucker fixing seat are limited by the thickness of the limiting seat, and the piston is prevented from moving inwards to overtake the piston cavity. When in operation, the electric appliance is propped against the limit seat, and the vibration of the electric appliance can be lightened, so that the air suction is easy and labor-saving.

Embodiment 2 is a sucker fixing seat as shown in fig. 6 and 7, and is different from the sucker fixing seat in embodiment 1 in that the piston cavity and the exhaust duct are different in structure, the seat body 2 is not provided with a limit seat which is detachably connected, meanwhile, the seat body 2 is internally provided with a cavity center, a sleeve with two open ends is not vertically arranged in the center of the cavity, and the piston cavity 13 and the exhaust duct 14 are formed on a sealing box body formed by splicing a cover plate 16 and a base 17. As shown in the figure, the cover plate 16 and the base 17 are in a cross shape, the center of the cover plate 16 is provided with a sleeve section 16-1 which is formed by an integral forming and extends upwards, the top end of the sleeve section is open, the bottom of the cover plate 16 is provided with a hole communicated with the pipe cavity of the sleeve section, the inner cavity of the sleeve section forms a piston cavity matched with the piston 7, and the sealing matching structure of the piston cavity and the piston is the same as that of the embodiment 1; the base 17 is internally provided with a cavity and is vertically provided with a hollow guide post 17-1 of an integrated structure at the bottom wall of the center of the cavity, four hollow guide posts 17-1 are vertically arranged on the base 17 around the guide posts at the bottom wall of the cavity, the upper end openings of the guide posts 17-1 are communicated with the inner cavity of the box body, the hollow pipe which is integrally extended from the bottom wall right below each guide post 17-1 and coincides with the axis of the corresponding guide post 17-1 by the base 17 is used as an air guide pipe section 17-2, the hollow guide posts, the air guide pipe section and the base are integrated, the bottom end of each air guide pipe section 17-2 is opened and inserted into one mounting hole 1-2 arranged in the suction cup 1, the mounting hole 1-2 is communicated with the inner cavity of the suction cup 1, the outer diameter of the air guide pipe section 17-2 is smaller than the outer diameter of the guide post 17-1, the pipe cavities of the two guide posts are communicated through round holes opened at the bottom wall of the base 17, so that the air guide pipe section pipe cavities are communicated with the guide post cavities to form an air exhaust hole 14 communicated with the suction cup inner cavity and the piston cavity, meanwhile, the communicating part of the air guide pipe section and the pipe cavities of the guide posts form a variable diameter position of the air exhaust hole 14, the variable diameter position forms a positioning ring surface 13-1 and the middle hole 13-2, and the middle part 13-2, namely the piston diaphragm 13-1 is also can be opened to the round hole 13 and the piston 13-1, and the piston diaphragm 13 is automatically move to the round hole 13 and the piston diaphragm 13 and the piston 1; the sealing box body in the embodiment is fixedly arranged in the cavity of the base body 2, in particular to be clamped and fixed between the base body 2 and the sucker 1, wherein a counter bore 2-3 is concavely formed in an opening on the top wall of the base body 2, the sleeve section 16-1 is upwards propped against the inner end of the counter bore 2-3 through a convex ridge on the side wall of the top end to be positioned and installed, and the bottom wall of the base 17 is propped against the top surface of the sucker 1. Furthermore, the sleeve 3 of embodiment 1 may be replaced with the sealing case of the present embodiment as long as the housing 2 is provided with the piston chamber 13 and the exhaust duct 14.

When the sucking disc is pumped, the sucking disc is pumped repeatedly through the reciprocating motion of the piston, the five exhaust channels are communicated with the piston cavity and the inner cavity of the sucking disc, the speed and the efficiency of pumping the air are high in a plurality of exhaust channels compared with one exhaust channel, the reliability of pumping operation is better, even if a problem occurs in a way that a single exhaust channel is blocked, other exhaust channels can work normally, and in addition, the exhaust channels can be increased or decreased according to actual conditions.

Embodiment 3 is shown in fig. 8, and is a fascia gun with a sucker fixing seat, wherein the fascia gun includes a massage head and a main machine 11, the main machine 11 is provided with a transmission rod or a transmission cylinder which is driven by an eccentric wheel and can do reciprocating axial movement, the massage head is detachably connected with the transmission rod or the transmission cylinder, in this embodiment, the transmission cylinder 15 is provided with the massage head, the massage head is detachably connected with the transmission cylinder 15, the sucker fixing seat matched with the fascia gun can be the sucker fixing seat described in embodiment 1 or embodiment 2, and the main machine 11 can be fixed on the seat body 2 through a matching piece. In this embodiment, the sucker fixing seat in embodiment 1 is preferably adopted, the driving piece is a driving cylinder 15 in the host 11, the outer end 7-2 of the piston is detachably connected with the driving cylinder 15, as shown in the figure, the outer end 7-2 of the piston is provided with two fixing sleeves for fastening connection of the outer end 7-2 of the piston and the driving cylinder 15, the two fixing sleeves are respectively a front fixing sleeve 8 and a rear fixing sleeve 10, the two fixing sleeves are respectively embedded in two annular grooves formed in the side wall of the outer end 7-2 of the piston, the outer side of the rear fixing sleeve 10 is provided with a concave-convex surface lifting butt joint tight fit degree, the diameter expansion of the outer end of the rear fixing sleeve 10 forms a circular truncated cone part 10-1 which can abut against the outer end face of the driving cylinder 15, and the outer end 7-2 of the piston is provided with an annular limiting part 7-3 matched with the circular truncated cone part 10-1; when the outer end 7-2 of the piston is inserted into the transmission cylinder 15 and is in butt joint with the transmission cylinder, the two fixing sleeves are clamped between the outer end of the piston and the transmission cylinder, so that the outer end of the piston and the transmission cylinder are tightly matched and fixed, and meanwhile, the round platform part 10-1 is tightly pressed between the outer end face of the transmission cylinder 15 and the annular limiting part 7-3, so that the butt joint depth of the outer end 7-2 of the piston inserted into the transmission cylinder 15 is limited.

The first adapting piece has a structure of a circular ring with internal threads or clamping ribs, the main machine 11 is set as a reducing body, the inner diameter of the circular ring is larger than the small diameter section of the main machine but smaller than the large diameter section of the main machine, the circular ring is sleeved from the small diameter end of the main machine during installation, the main machine passes through the central hole of the circular ring, and the circular ring is screwed on the external threads or clamping grooves of the seat body 2, so that the large diameter section of the main machine is fastened between the seat body and the circular ring, and the main machine 11 is further fixed on the seat body 2. The second type of adapting piece is a clamping piece, the clamping piece is buckled on a buckling part arranged on the seat body, the buckling part can be a clamping groove or a clamping ring, the other end of the clamping piece is provided with a clamping part with an elastic clamping notch, and the clamping piece clamps the host 11 through the elastic clamping notch, so that the host is fixed on the seat body 2.

The fascia rifle host computer accessible joining in marriage the piece and fix on the pedestal of sucking disc fixing base, and then with fascia rifle location in smooth surface to the people can lean on to press close to the massage head massage back etc. and put forward the position behind the body, improve the fascia rifle and be difficult for the massage effect of massage position of finger. When the fascia gun is used, the fascia gun main machine is multipurpose, the transmission cylinder of the main machine is connected with the piston, and the main machine works to drive the piston to do high-frequency reciprocating axial motion to suck air to the sucker, so that the sucker fixing seat is firmly adsorbed; after the sucker fixing seat is adsorbed and fixed, the transmission cylinder is separated from the piston, the piston is detached from the piston cavity, the massage head is connected with the piston cylinder, the host is fixed on the seat body through the matching piece, and then the fascia gun is positioned on the smooth surface.

Embodiment 4 as shown in fig. 9, a fascia gun with a suction cup fixing seat is provided, the fascia gun also comprises a massage head and a main machine 11, the main machine is also provided with a transmission rod or a transmission cylinder which is driven by an eccentric wheel and can do reciprocating axial movement, the transmission cylinder 15 is provided in the embodiment, the massage head is detachably connected with the transmission cylinder 15, the fascia gun is provided with a suction cup fixing seat similar to that described in embodiment 1, a driving piece is provided with the transmission cylinder 15 in the main machine 11, the outer end 7-2 of the piston is detachably connected with the transmission cylinder 15, and the main machine 11 can be fixed on the seat body 2 through a matching piece. The structure of the sucker fixing seat in this embodiment is different from that of the sucker fixing seat in embodiment 1 in that there is no detachable limit seat on the seat body 2 of the sucker fixing seat, compared with embodiment 1 in which the top wall of the seat body 2 is lifted up, the opening on the top wall of the seat body 2 is concaved inwards to form a counterbore 2-3, the top end of the sleeve 3 is provided with a convex rib 3-2 through the side wall to be positioned and installed against the inner end of the counterbore 2-3, and meanwhile, the counterbore 2-3 also enables the inlet of the piston cavity 13 formed by the sleeve 3 to be exposed, and the rest of the sucker fixing seat is the same as the sucker fixing seat in embodiment 1. When the sucking disc needs to be pumped, the outer end 7-2 of the piston is also in fastening connection with the transmission cylinder 15 through two fastening sleeves, the connection between the outer end 7-2 of the piston and the transmission cylinder 15 and the construction of the fastening sleeves are as described in the embodiment 3, and the structure of the adapting piece is the same as that of the embodiment 3.

When the sucking disc needs to be pumped, the outer end 7-2 of the piston penetrates through the counter bore 2-3 to extend out and be connected and fixed with the transmission cylinder 15, the main machine works to drive the piston to do high-frequency axial reciprocating motion, the sucking disc is pumped, firm adsorption of the sucking disc is guaranteed, the main machine 11 abuts against the top wall of the seat body 2 on one side of the outer end of the counter bore 2-3 during working, the seat body 2 limits the position of the fascia gun by utilizing the height of the main machine, the piston is prevented from moving inwards to generate impact and structural damage caused by the impact, meanwhile, the seat body directly abuts against the fascia gun, the vibration influence of the fascia gun is relieved, and the operation is easy and labor-saving. After the sucker is fixed, the transmission cylinder is separated from the piston, the piston is detached from the piston cavity, the massage head is connected with the piston cylinder, the host is fixed on the seat body through the adapting piece, the fascia gun is positioned on the smooth surface, and the person can lean on to massage the back and other back parts. In addition, the suction cup fixing base of the present embodiment may also be the suction cup fixing base of embodiment 1 or embodiment 2.

Claims (10)

1. The utility model provides a sucking disc fixing base, includes pedestal (2) and sets firmly in sucking disc (1) of its bottom, is equipped with intercommunication sucking disc (1) inner chamber and external piston chamber (13) on pedestal (2), a serial communication port, can dismantle in piston chamber (13) and connect piston (7), piston inner (7-1) are put into piston chamber (13), and piston outer end (7-2) set to the link, the link is used for dismantling the drive piece of connecting reciprocal axial motion to can follow the drive piece reciprocating motion, thereby make piston (7) take out the air in sucking disc (1) inner chamber fast, ensure that sucking disc (1) firmly adsorbs.

2. The sucker fixing seat according to claim 1, wherein the driving piece connected with the outer end (7-2) of the piston is a transmission rod or a transmission cylinder axially moving in the handheld electric instrument, and the driving piece is in threaded connection or clamping connection or interference connection with the outer end (7-2) of the piston through a fastener; the axis of the piston cavity (13) is coincident with or perpendicular to the axis of the sucker (1).

3. The sucker fixing seat according to claim 1, wherein the seat body (2) is fixedly connected with the sucker (1) through a fastening bolt, a bolt hole is formed in the seat body (2), a connecting piece (12) with a screw hole (12-1) is embedded in the sucker (1), the fastening bolt passes through the bolt hole and is screwed into the screw hole (12-1) to be fixed, and the bolt hole is a reducing hole formed by butt joint of an outer large-diameter cavity (2-1) and an inner small-diameter cavity (2-2); the connecting piece (12) comprises a rigid annular body (12-2) and a plurality of bosses (12-3) with screw holes (12-1) distributed on the rigid annular body in a surrounding mode.

4. The sucker fixing seat according to claim 1, wherein at least one exhaust hole (14) is arranged in the seat body (2) and is communicated with the piston cavity (13) and the inner cavity of the sucker (1), the exhaust hole (14) is a reducing hole, a positioning annular surface (13-1) and a round hole (13-2) in the middle of the positioning annular surface are formed at the reducing position, a one-way valve capable of opening and closing the round hole (13-2) is fastened at the positioning annular surface (13-1), and the one-way valve is automatically opened when the piston (7) moves outwards to exhaust the inner cavity of the sucker (1), so that air enters the piston cavity (13) from the exhaust hole (14), and the one-way valve is automatically closed when the piston (7) moves inwards to exhaust the piston cavity (13).

5. The sucker fixing seat according to claim 4, wherein the one-way valve is an elastic membrane (4) capable of tilting to expose the round hole (13-2) or falling to cover the round hole, the piston inner end (7-1) is sleeved with the piston sealing ring (6) to adjust the tightness with the side wall of the piston cavity (13), the sealing effect of the piston sealing ring (6) with the side wall of the piston cavity (13) is invalid when the piston (7) moves inwards, and the sealing effect of the piston sealing ring (6) with the side wall of the piston cavity (13) is invalid when the piston (7) moves outwards.

6. The sucker fixing seat according to claim 5, wherein the diaphragm (4) comprises an annular body and an elastic body (4-1) extending from a neutral position on the inner side of the annular body, the annular body is pressed on the positioning annular surface (13-1) through a pressure spring (5) and is in sealing connection with the side wall of the piston cavity (13), a gap is formed between the elastic body (4-1) and the annular body to form a deformation joint (4-2), the elastic body (4-1) is tilted to expose the round hole (13-2) under the action of air pressure when the piston (7) moves outwards, and the elastic body (4-1) falls to cover the round hole (13-2) under the action of air pressure when the piston (7) moves inwards.

7. The sucker fixing seat according to claim 5, wherein the piston sealing ring (6) is composed of a sealing ring body and an elastic lip (6-1) with the outer edge continuous around the circumference, the sealing ring body is sleeved and fixed in a positioning groove arranged on the side wall of the inner end (7-1) of the piston, and the elastic lip (6-1) extends from the inner end (7-1) of the piston to the outer end (7-2) of the piston and is conically opened.

8. The sucker fixing seat according to claim 1, wherein the seat body (2) is provided with a detachable limiting seat (9), the limiting seat (9) is provided with a through hole (9-1), and the outer end (7-2) of the piston is connected with the driving piece through the through hole (9-1) or the driving piece is connected with the outer end (7-2) of the piston through the through hole (9-1).

9. The fascia gun with the sucker fixing seat comprises a massage head and a host machine (11), wherein a transmission rod or a transmission cylinder which is driven by an eccentric wheel and can do reciprocating axial movement is arranged on the host machine (11), and the massage head is detachably connected with the transmission rod or the transmission cylinder.

10. The fascia gun with suction cup fixing seat according to claim 9, wherein the matching piece is a circular ring with internal threads or clamping ribs, the host machine (11) passes through the central hole of the circular ring, and after the circular ring is screwed on the external threads or clamping grooves of the seat body (2), the host machine (11) is fixed on the seat body (2);

or the matching piece is a clamping piece, the clamping piece is buckled on the buckling part arranged on the seat body, the other end of the clamping piece is provided with a clamping part with an elastic clamping notch, and the clamping piece can clamp the host (11) through the elastic clamping notch to fix the host on the seat body (2).