CN206883359U - A kind of handle of wall polishing machine - Google Patents

Abstract

A kind of handle of wall surface grinding machine, including front hand grip and back handle, live wire is worn in front hand grip and back handle, it is characterized in that：One end of the front hand grip and back handle is respectively equipped with chuck one and chuck two, the chuck one and chuck two are hinged in edge, the edge of the chuck one and chuck two is respectively equipped with socket one and socket two, the convex contact block being connected with the electric wire being arranged in front hand grip and back handle and recessed contact block are respectively equipped with the socket one and socket two, the convex contact block and recessed contact block match, meanwhile fixed ear is equipped with the socket one and socket two, two fixed ears are connected by screw thread.By using above-mentioned technical proposal, when docking, convex contact block and recessed contact block can just also dock, and so also can just avoid electric wire from serious metal fatigue occur during being repetitively folded for front handle and back handle.So as to also just extend the service life of electric wire.

Description

A kind of handle of wall polishing machine

Technical field

A kind of wall polishing machine is the utility model is related to, more particularly to a kind of handle of wall polishing machine.

Background technology

Wall polishing machine is using electric power as power, and driving the sand piece on emery disc end face, rotation is beaten wall surface at a high speed Grind a kind of electric tool of cleaning.Wall surface grinding machine mostly includes handle, the polishing pad installed in handle supervisor front end, is arranged on Dust collecting is accessed after motor and handle on polishing pad.Polishing pad is polished wall, and the powder after polishing is from beating Blower fan suction in mill, collection device is collected into by the hollow tube layer of handle inner.

The long inconvenience storage of the handle of part sander in the prior art, thus Some Enterprises have been produced with foldable The wall surface grinding machine of handle.Meanwhile for attractive in appearance and adaptation folding handle bending, manufacturing enterprise is also by the electricity with motor connection Source line has been located in handle inner, and power line exposed compensation power line for fixing one section of bending at folding.So in handle Compensating action can just be played by folding post-compensation power line, prevent power line tension to be broken.

But it is disadvantageous in that compensation power line can constantly be bent with folding, thus also easily produces metal fatigue and roll over It is disconnected.

Utility model content

The purpose of this utility model is to provide a kind of handle of wall surface grinding machine, and it can both fold and be easy to deposit, Meanwhile electric wire can be also avoided the problem of metal fatigue occur because long-time folds.

Above-mentioned purpose of the present utility model technical scheme is that：A kind of hand of wall surface grinding machine Handle, including front hand grip and back handle, live wire is worn in front hand grip and back handle, it is characterized in that：The front hand grip and defensive position One end of handle is respectively equipped with chuck one and chuck two, and the chuck one and chuck two are hinged in edge, the chuck one and folder Set two edge be respectively equipped with socket one and socket two, be respectively equipped with and be arranged on the socket one and socket two front hand grip and The convex contact block and recessed contact block that electric wire in back handle is connected, the convex contact block and recessed contact block match, meanwhile, it is described to insert Fixed ear is equipped with seat one and socket two, two fixed ears are connected by screw thread.

By using above-mentioned technical proposal, when docking, convex contact block and recessed contact block are also firm for front handle and back handle It can dock well, so also can just avoid electric wire from serious metal fatigue occur during being repetitively folded.So as to also just extend The service life of electric wire.

Preferably, slot one is provided with the socket one, is provided with inserting column in the slot one, the convex contact block is located at inserting column End, the slot two to match with inserting column is provided with the socket two, the recessed contact block is located in slot two.

, can be first by inserting column with inserting so when convex contact block and recessed contact block dock by using above-mentioned technical proposal Bar two is docked, so as to also just improve the accuracy of convex contact block and the docking of recessed contact block.

Preferably, pressure spring slot is also provided with the socket object two of socket two, being provided with the pressure spring slot can be with socket one The stage clip abutted against.

By using above-mentioned technical proposal, after such front hand grip and back handle docking, socket one and socket two can press It completely and will not be closed in the presence of spring, be not in thus the problem of connection electric wire moment, so as to also just improve security.

Preferably, the face that the chuck two and chuck one fit is provided with seal groove around back handle, in the seal groove Provided with sealing ring.

By using above-mentioned technical proposal, the sealing effectiveness between chuck one and chuck two can be so improved, so as to protect Demonstrate,prove and can be sucked away completely by the passage in front hand grip and back handle by the dust that mill gets off.

Preferably, stopper slot is provided with the fixed ear on the socket one, is provided with and limits in the fixed ear of the socket two The corresponding spacing hole of position groove, the spacing hole is embedded with the nut corresponding with spacing hole away from the side of chuck one, described spacing Groove, spacing hole and nut are passed through and connected by same pinch grip.

By using above-mentioned technical proposal, the fixation between socket one and socket two is so facilitated, is also improved simultaneously Firmness between the two.

Preferably, tube cell and spool are equipped with the front hand grip and back handle.

By using above-mentioned technical proposal, electric wire and suction dust can so be separated, avoid dust and flowing Friction is produced between electric wire and cause the Fast Wearing of electric wire in dynamic process.

Preferably, the edge of the chuck one and chuck two is provided with the hinge ring of some matchings, and each hinge ring is by same toggle Pass through.

By using above-mentioned technical proposal, this ensure that can stably be rotated between chuck one and chuck two.

In summary, the utility model has the advantages that：

1st, docked using the convex contact block and recessed contact block that connect electric wire, can so avoid metal folding and cause Fatigue and be broken；

2nd, sealing ring is provided between socket one and socket two, can so ensure front hand grip and back handle to the effective of dust Conveying；

3rd, socket two is provided with the stage clip facing with socket one, can so ensure pacifying between convex contact block and recessed contact block During dress will not instantaneous touch, so as to improve the security of sander.

Brief description of the drawings

Fig. 1 is the structural representation of embodiment one；

Fig. 2 is partial enlarged drawings of the Fig. 1 at A；

Fig. 3 is the structural representation when foldable structure of embodiment one is opened；

Structural representation when Fig. 4 is the foldable structure engagement of embodiment one；

Fig. 5 is sectional views of the Fig. 4 at B-B；

Fig. 6 is partial enlarged drawings of the Fig. 5 at C.

Reference：1a, front hand grip；1b, back handle；11st, spool；12nd, tube cell；2nd, chuck one；21st, socket one；211、 Slot one；212nd, inserting column；2121st, convex contact block；22nd, through hole；3rd, chuck two；31 sockets two；311st, pressure spring slot；3111st, stage clip； 312nd, slot two；3121st, recessed contact block；32nd, seal groove；33rd, sealing ring；4a, hinge ring；4b, toggle；5th, fixed ear；51st, it is spacing Groove；52nd, spacing hole；53rd, pinch grip；54th, nut.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

Embodiment one：

As shown in accompanying drawing 1 to accompanying drawing 3, a kind of handle of wall surface grinding machine includes front hand grip 1a and back handle 1b, front hand grip 1a and back handle inner hollow and with cable tube 11 and tube cell 12, electric wire is incorporated in spool 11, so that electric wire and powder Pipe 12 is separated, and tube cell 12 is connected in one end towards polishing pad by flexible pipe with blower fan, and the inside of tube cell 12 is unimpeded to be easy to dust By and tube cell 12 cleaning.

Front hand grip 1a is away from the head of back handle 1b one end connection sander, the other end connection back handle 1b, back handle 1b On aids such as handle etc. can be set, specific set can determine according to actual conditions.Front hand grip 1a and back handle 1b Junction is provided with chuck 1 and chuck 23.Chuck 1 is set on front hand grip 1a, and chuck 23 is set on back handle 1b.Folder The connection between one 2 and front hand grip 1a, chuck 23 and back handle 1b is covered, can be depending on actual conditions, the present embodiment uses Threaded connection.

In addition, the hinge ring 4a of several cooperations is provided with the edge of chuck 1 and chuck 23, wherein, the He of chuck 1 Hinge ring 4a on chuck 23 is spaced.And all hinge ring 4a are passed through by same root toggle 4b.So as to chuck 1 It can be separated and be bonded using toggle 4b as axis of rotation with chuck 23.

Furthermore as shown in accompanying drawing 3 to accompanying drawing 6, chuck 1 is provided with socket 1, socket 1 away from hinge ring 4a side Flushed with the running-on of chuck 1.The upper end of socket 1 is provided with slot 1, and being stood among slot 1 has one or several to insert Post 212, the centre of inserting column 212 carry the convex contact block 2121 of metal, convex contact block 2121 and the electric wire phase in front hand grip 1a spool 11 Even.The quantity of inserting column 212 can be depending on actual conditions, and the present embodiment is provided with an inserting column 212.Meanwhile set on chuck 23 There is the socket two 31 relative with socket 1, pressure spring slot 311 and slot 2 312 are carried on socket 2 31.Pressure spring slot 311 is located at slotting The stage clip 3111 of tape insulation layer is fixed with the outside of groove 2 312 and pressure ring groove, the outer diameter of slot 2 312 is not less than slot One 211 inner diameters.It is provided with and the recessed contact block 3121 of the quantity identical of inserting column 212 1, recessed contact block 3121 and defensive position in slot 2 312 Electric wire in handle 1b spool 11 is connected, and with the convex aligned fit of contact block 2121.The shape of convex contact block 2121 and recessed contact block 3121 Shape can be depending on actual conditions, and the present embodiment uses circular convex contact block 2121 and recessed contact block 3121.Simultaneously in socket 1 Two through holes 22 are provided with front hand grip 1a, socket 2 31 and back handle 1b joint place, electric wire is by through hole 22 by spool 11 are connected into socket 1 and the inside of socket 2 31 with convex contact block 2121 and recessed contact block 3121.

Chuck 1 and chuck 23 are provided with the fixed ear 5 of a pair of cooperations at two socket veneers.The fixed ear 5 of chuck 1 It is upper to carry a stopper slot 51.And the fixed ear 5 on chuck 23 is provided with the position relative with stopper slot 51 and is provided with spacing hole 52.When chuck 1 and chuck 23 are bonded, spacing hole 52 is embedded with a nut 54 away from the direction of chuck 1, and nut 54, spacing What hole 52 and stopper slot 51 were in alignment with, and passed through by a pinch grip 53.Here pinch grip 53 and nut 54.The He of stopper slot 51 Spacing hole 52 is connected through a screw thread.The face that chuck 23 and chuck 1 fit is along tube cell 12 and the edge of spool 11 It is provided with seal groove 32 and seal groove 32 and is provided with sealing ring 33, and sealing ring 33 can abuts against with chuck 1.

The operation principle of the present embodiment is sander before use, first engaging handle 1, first by polishing pad court during this In the plane, back handle 1b is bonded chuck 1 and chuck 23 around toggle 4b rotations for lower placement, and now, the insertion of inserting column 212 is inserted In groove 2 312, stage clip 3111 is withstood on socket 1, makes to leave gap between socket 1 and socket 2 31, convex contact block 2121 It is directed at recessed contact block 3121 and positioned at the recessed top of contact block 3121, pinch grip 53 is passed through into stopper slot 51 and spacing hole 52, with nut 54 are threadedly coupled, and are fixed chuck 1 and chuck 23, and stage clip 3111, which is pressurized, to be shunk, convex contact block 2121 and recessed contact block 3121 docking, front hand grip 1a connect with the electric wire in back handle 1b, and sander can operate use.If pinch grip 53 is not tightened Then convex contact block 2121 does not dock with recessed contact block 3121, then sander can not use, and this is that user of service needs to tighten fastening handle Hand 53.When sander when not in use, front hand grip 1a connection polishing pads one end down, unscrews pinch grip 53, using toggle 4b as axle Back handle 1b is rotated, pinch grip 53 skids off from stopper slot 51, and fixed ear 5 separates.During this, convex contact block 2121 touches with recessed Block 3121 separates, and electric wire disconnects, so as to prevent motor switch to press opening by mistake.Also, take up space reduction after the folding of handle 1. Here set convex contact block 2121 to switch on and off electric wire with recessed touching for contact block 3121 in foldable structure, avoid folding handle The tension and bending of 1 pair of electric wire cause electric wire to damage, while whether tightening for pinch grip 53 is served as warning.

This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but As long as all protected in right of the present utility model by Patent Law.

Claims (7)

1. a kind of handle of wall surface grinding machine, including front hand grip（1a）And back handle（1b）, front hand grip（1a）And back handle（1b） Live wire is inside worn, it is characterized in that：The front hand grip（1a）And back handle（1b）One end be respectively equipped with chuck one（2）And folder Set two（3）, the chuck one（2）With chuck two（3）It is hinged in edge, the chuck one（2）With chuck two（3）Edge point She You not socket one（21）With socket two（31）, the socket one（21）With socket two（31）On be respectively equipped with and be arranged in remote holder Handle（1a）And back handle（1b）The convex contact block that interior electric wire is connected（2121）With recessed contact block（3121）, the convex contact block（2121） With recessed contact block（3121）Match, meanwhile, the socket one（21）With socket two（31）On be equipped with fixed ear（5）, two Fixed ear（5）It is connected by screw thread.

2. a kind of handle of wall surface grinding machine according to claim 1, it is characterized in that：The socket one（21）On be provided with it is slotting Groove one（211）, the slot one（211）It is interior to be provided with inserting column（212）, the convex contact block（2121）Positioned at inserting column（212）End, institute State socket two（31）On be provided with and inserting column（212）The slot two to match（312）, the recessed contact block（3121）Positioned at slot two （312）It is interior.

3. a kind of handle of wall surface grinding machine according to claim 2, it is characterized in that：The socket two（31）Socket object Two（31）On be also provided with pressure spring slot（311）, the pressure spring slot（311）Interior be provided with can be with socket one（21）The stage clip abutted against （3111）.

4. a kind of handle of wall surface grinding machine according to claim 3, it is characterized in that：The chuck two（3）With chuck one （2）The face to fit surrounds back handle（1b）It is provided with seal groove（32）, the seal groove（32）It is interior to be provided with sealing ring（33）.

5. a kind of handle of wall surface grinding machine according to claim 1, it is characterized in that：The socket one（21）On fixation Ear（5）On be provided with stopper slot（51）, the socket two（31）Fixed ear（5）On be provided with and stopper slot（51）Corresponding is spacing Hole（52）, the spacing hole（52）Away from chuck one（2）Side is embedded with and spacing hole（52）Corresponding nut（54）, the limit Position groove（51）, spacing hole（52）And nut（54）By same pinch grip（53）Pass through and connect.

6. a kind of handle of wall surface grinding machine according to claim 1, it is characterized in that：The front hand grip（1a）And back handle （1b）Inside it is equipped with tube cell（12）And spool（11）.

7. a kind of handle of wall surface grinding machine according to claim 1, it is characterized in that：The chuck one（2）With chuck two （3）Edge be provided with some matchings hinge ring（4a）, each hinge ring（4a）By same toggle（4b）Pass through.