CN204431181U - Dental handpiece dismantling device - Google Patents
Dental handpiece dismantling device Download PDFInfo
- Publication number
- CN204431181U CN204431181U CN201420839933.5U CN201420839933U CN204431181U CN 204431181 U CN204431181 U CN 204431181U CN 201420839933 U CN201420839933 U CN 201420839933U CN 204431181 U CN204431181 U CN 204431181U
- Authority
- CN
- China
- Prior art keywords
- pallet
- push rod
- pedestal
- limit shaft
- dental handpiece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Jigs For Machine Tools (AREA)
Abstract
Dental handpiece dismantling device, for the head of dismounting dental handpiece, comprise pedestal, top-pressure mechanism, post rod mechanism and stopping means, described top-pressure mechanism comprises pressing handle, arm pivot post, limit shaft, described arm pivot post, limit shaft is longitudinally fixedly located in pedestal, limit shaft is positioned at the below of arm pivot post, be rotationally connected with arm pivot post on the upside of the middle part of described pressing handle, the rear end of pressing handle is connected with pressing plate, the centre position of pressing handle is provided with cambered way, cambered way and limit shaft are slidably connected, described limit shaft is positioned on the movement locus of cambered way, the instrument opening collet chuck during current maintenance is less, and the utility model meets the facility of taking apart of maintenance different size collet chuck and loading-unloading vehicle pin.
Description
Technical field
The utility model relates to a kind of dentistry maintenance tool.
Background technology
Present dental handpiece has become the instrument that clinical oral work is done without even for a moment out, and the mobile phone supplied on the market is of a great variety, multiple functional.Press car pin handling mode and be divided into again thimble-type, mechanical clamping type (Wrench-type), button clamped-in style (gland-type) etc.
The mode of head clamping trolley pin is varied, and early stage is spring leaf folder pin, namely has 3 equally distributed arc reeds in mandrel.Car needle handle inserts wherein, reed stress deformation, clamping needle handle.Now use screw type and by pin method of clamping of delaying unloading more.Have an elasticity three lobe spring in the folder axle of this mobile phone, folder spring is brix shape, above has three axial grooves; Use corner spanner or by the spring that bears down on one, open or locking clamp spring clamping trolley pin.
Because last item is small but excellent close, lack the instrument of loading-unloading vehicle pin when keeping in repair in the market, in addition expensive, the precise structure of dental handpiece, high-frequency autoclave sterilization and maintain the improper mechanical performance of mobile phone that all can cause and reduce repeatedly, damage mobile phone component, it is also one of reason causing wearing and tearing that dental handpiece uses frequently, because dental handpiece is of a great variety, just needs different instruments during maintenance.
Head is nested together from outside to inside by multiple part, be respectively collet chuck, bearing and fan, pressing axis, car pin from outside to inside, collet chuck, pressing axis, car pin are generally cylindrical, bearing and fan are also circular, drum jacket is in the outside of bearing and fan, bearing and fan are arranged in pressing axis, and pressing axis is arranged on car pin.This mode of installing cooperation many employings tensioners, needs the part to being positioned at inner side to carry out axial promotion, thus the two disengagement is taken off.But because the mode connected is many, taking each part apart all needs a kind of special instrument, bothers very much during practical operation, what some adopted is the mode of violence slightly, and easy part of damage, causes the damage of whole head.
Utility model content
The purpose of this utility model is to provide a kind of dental handpiece dismantling device, can with the multiple dental handpiece of a kind of maintenance of equipment.
The technical solution of the utility model is:
Dental handpiece dismantling device, for the head of dismounting dental handpiece, comprise pedestal, top-pressure mechanism, post rod mechanism and stopping means, described top-pressure mechanism comprises pressing handle, arm pivot post, limit shaft, described arm pivot post, limit shaft is longitudinally fixedly located in pedestal, limit shaft is positioned at the below of arm pivot post, be rotationally connected with arm pivot post on the upside of the middle part of described pressing handle, the rear end of pressing handle is connected with pressing plate, the centre position of pressing handle is provided with cambered way, cambered way and limit shaft are slidably connected, described limit shaft is positioned on the movement locus of cambered way, top-pressure mechanism is laterally located in pedestal, top-pressure mechanism comprises push rod, back-moving spring, the jogger hole suitable with push rod shape is provided with in described pedestal, step surface is provided with between push rod two ends and push rod mid portion, one end of described back-moving spring leans on the step surface on left side or right side, and the front end of pressing handle is connected with the right-hand member of push rod is pressured, described stopping means is arranged on the pedestal of push rod left end, described stopping means comprises pallet caging device, clamping stopping means, the pallet locating piece that described pallet caging device comprises pallet and is fixedly connected with pallet, locating slot is provided with on the left of described pedestal, the right-hand member of pallet locating piece is installed in the locating slot on the left of pedestal, pallet is from left to right provided with first step successively, second step and the 3rd step, first step, the middle part of second step is laterally provided with the first stopper slot, laterally the second stopper slot is provided with in 3rd step, first, the cross sectional shape of the second stopper slot is semicircle, the radius of the second stopper slot is greater than the radius of the first stopper slot, on pallet locating piece, corresponding jogger hole offers pallet locating hole, and push rod is through pallet locating hole, and the other end of described back-moving spring leans on pedestal or on pallet locating piece.
Described clamping and positioning device comprises clamp, is fixedly connected on upper hopper chute and the gliding groove of pedestal left surface, clamp between upper hopper chute and gliding groove, the height of clamp and the spacing between upper hopper chute and gliding groove bottom land suitable; Described clamp is longitudinally provided with some perforates, described perforate is rectangular opening or circular port, the left-half of clamp or the middle part of right half part are laterally provided with strip gab, strip gab lateral direction penetrating clamp left-half or right half part and adjacent perforate, connected by thumb screw between the left end of clamp or the upper and lower of right-hand member.
Pressing plate is disc.
Described stopping means also comprises and draws horse, described in draw horse to comprise urceolus sheathed mutually and inner core and limited block, the inner side of described inner core is limited bit space.
The left end of described push rod is connected with columniform top, and described top external diameter is greater than the left end external diameter of push rod.
The instrument opening collet chuck during current maintenance is less, and the utility model meets the facility of taking apart of maintenance different size collet chuck and loading-unloading vehicle pin.The end of thimble can put the top of various outer diameter size, is pressed on the part of different-diameter, is ejected to push up.Each clamping and positioning device is horizontally disposed with, and during promotion, staff does not need to hold up part, and former equipment all need two hands even two people coordinate employing retaining element, and the utility model is when pressing, and people hand just can operate, very convenient; And it is very accurate to locate; The strength of clamping is even, can not damage handset machine head part.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the partial enlarged drawing A of Fig. 2;
Fig. 4 is the B-B sectional view of Fig. 1.
Detailed description of the invention
As shown in Figure 1, 2, 3, the utility model is used for the head of dismounting dental handpiece, comprise pedestal 1, top-pressure mechanism 2, post rod mechanism 3 and stopping means, described top-pressure mechanism 2 comprises pressing handle 4, arm pivot post 6, limit shaft 7, described arm pivot post 6, limit shaft 7 are longitudinally fixedly located in pedestal 1, limit shaft 7 is positioned at the below of arm pivot post 6, be rotationally connected with arm pivot post 6 on the upside of the middle part of described pressing handle 4, the rear end of pressing handle 4 is connected with pressing plate 8, and pressing plate 8 is disc.The centre position of pressing handle 4 is provided with cambered way 9, and cambered way 9 and limit shaft 6 are slidably connected, and described limit shaft 6 is positioned on the movement locus of cambered way 9; Top-pressure mechanism 3 is laterally located in pedestal 1, top-pressure mechanism 3 comprises push rod 11, back-moving spring 12, the jogger hole 10 suitable with push rod 11 shape is provided with in described pedestal 1, be provided with step surface 13 between push rod 11 two ends and push rod 11 mid portion, the right-hand member of described back-moving spring 12 leans on the step surface 13 on left side (or right side); The front end of pressing handle 4 is connected with the right-hand member of push rod 11 is pressured; Described stopping means is arranged on the pedestal 1 of push rod 11 left end; Described stopping means comprises pallet caging device 14, clamping stopping means 15, the pallet locating piece 18 that described pallet caging device 14 comprises pallet 17 and is fixedly connected with pallet 17, be provided with locating slot 19 on the left of described pedestal 1, the right-hand member of pallet locating piece 18 is installed in the locating slot 19 on the left of pedestal 1.
On pallet locating piece 18, corresponding jogger hole 10 offers pallet locating hole 20, and push rod 11 is through pallet locating hole 20, and the left end of back-moving spring 12 leans on the pallet locating piece 18 at pallet locating hole 20 place; Pallet 17 is from left to right provided with first step 21, second step 22 and the 3rd step 23 successively, the middle part of first step 21, second step 22 is laterally provided with the first stopper slot 24, laterally the second stopper slot 25 is provided with in 3rd step 23, the cross sectional shape of first, second stopper slot 24,25 is semicircle, and the radius of the second stopper slot 25 is greater than the first stopper slot 24.
As shown in Figure 4, described clamping and positioning device comprises clamp 26, is fixedly connected on upper hopper chute 27 and the gliding groove 28 of pedestal 1 left surface, clamp 26 is between upper hopper chute 27 and gliding groove 28, the height of clamp 26 and the spacing between upper hopper chute 27 and gliding groove 28 bottom land suitable, just should can clamp and can slide between upper hopper chute 27 and gliding groove 28 bottom land; Described clamp 26 is longitudinally provided with some perforates, described perforate is rectangular opening 29 or circular port 30, the internal diameter of circular port 30 have also have greatly little, the left-half of clamp 26 or the middle part of right half part are laterally provided with strip gab 31, strip gab 31 lateral direction penetrating clamp 26 left-half or right half part and adjacent perforate, connected by thumb screw 32 between the left end of clamp 26 or the upper and lower of right-hand member.The left end of clamp 26 or the bottom of right-hand member are provided with screwed hole.
Described stopping means also comprises and draws horse 16, described in draw horse 16 to comprise urceolus sheathed mutually and inner core and limited block, the inner side of described inner core is limited bit space.Draw horse 16 for prior art.
The left end of described push rod 11 is connected with top, and described top external diameter is greater than the left end external diameter of push rod.The left end end of push rod 11 can put the top of various outer diameter size, top is for cylindrical, internal diameter and push rod 11 end diameter of top are suitable, the present embodiment has the external diameter of two kinds of parts to be greater than the diameter of push rod 11 end according to actual conditions, so make two kinds of tops in addition, be pressed on the part of corresponding external diameter with top, ejected.
Use procedure: 1, by pressing pressing plate 8, pressing handle 4 is moved downward, withstand push rod 11 to left movement, pallet 17 is placed head 5, the pressing axis of head 5 is placed in the first stopper slot 24, the bearing of head 5 and fan are placed on the second stopper slot 25, rely on the effect of the 3rd step 23, utilize thimble 11 to be released by the car pin in pressing axis left.
2, one end thumb screw 32 of limited block 26 locks, and is placed with clamping head in perforate, and clamping head is prior art, clamps bearing and the fan of handset machine head in clamping head, and thimble 11 is aimed in the perforate of limited block 26, and thimble 11 promotes pressing axis to release left.
3, utilization draws vest to live collet chuck, utilizes push rod the bearing in collet chuck and fan to be released.
Claims (4)
1. dental handpiece dismantling device, for the head of dismounting dental handpiece, it is characterized in that: comprise pedestal, top-pressure mechanism, post rod mechanism and stopping means, described top-pressure mechanism comprises pressing handle, arm pivot post, limit shaft, described arm pivot post, limit shaft is longitudinally fixedly located in pedestal, limit shaft is positioned at the below of arm pivot post, be rotationally connected with arm pivot post on the upside of the middle part of described pressing handle, the rear end of pressing handle is connected with pressing plate, the centre position of pressing handle is provided with cambered way, cambered way and limit shaft are slidably connected, described limit shaft is positioned on the movement locus of cambered way, top-pressure mechanism is laterally located in pedestal, top-pressure mechanism comprises push rod, back-moving spring, the jogger hole suitable with push rod shape is provided with in described pedestal, step surface is provided with between push rod two ends and push rod mid portion, one end of described back-moving spring leans on the step surface on left side or right side, and the front end of pressing handle is connected with the right-hand member of push rod is pressured, described stopping means is arranged on the pedestal of push rod left end, described stopping means comprises pallet caging device, clamping stopping means, the pallet locating piece that described pallet caging device comprises pallet and is fixedly connected with pallet, locating slot is provided with on the left of described pedestal, the right-hand member of pallet locating piece is installed in the locating slot on the left of pedestal, pallet is from left to right provided with first step successively, second step and the 3rd step, first step, the middle part of second step is laterally provided with the first stopper slot, laterally the second stopper slot is provided with in 3rd step, first, the cross sectional shape of the second stopper slot is semicircle, the radius of the second stopper slot is greater than the radius of the first stopper slot, on pallet locating piece, corresponding jogger hole offers pallet locating hole, and push rod is through pallet locating hole, and the other end of described back-moving spring leans on pedestal or on pallet locating piece.
2. dental handpiece dismantling device according to claim 1, is characterized in that: pressing plate is disc.
3. dental handpiece dismantling device according to claim 1, is characterized in that: described stopping means also comprises and draws horse, described in draw horse to comprise urceolus sheathed mutually and inner core and limited block, the inner side of described inner core is limited bit space.
4. dental handpiece dismantling device according to claim 1, is characterized in that: the left end of described push rod is connected with columniform top, and described top external diameter is greater than the left end external diameter of push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420839933.5U CN204431181U (en) | 2014-12-26 | 2014-12-26 | Dental handpiece dismantling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420839933.5U CN204431181U (en) | 2014-12-26 | 2014-12-26 | Dental handpiece dismantling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204431181U true CN204431181U (en) | 2015-07-01 |
Family
ID=53599098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420839933.5U Expired - Fee Related CN204431181U (en) | 2014-12-26 | 2014-12-26 | Dental handpiece dismantling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204431181U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112338858A (en) * | 2020-12-03 | 2021-02-09 | 刘明青 | Dental low-speed mobile phone disassembling device |
-
2014
- 2014-12-26 CN CN201420839933.5U patent/CN204431181U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112338858A (en) * | 2020-12-03 | 2021-02-09 | 刘明青 | Dental low-speed mobile phone disassembling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20171226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |