CN209884308U - Miniature kirschner wire mobile phone - Google Patents
Miniature kirschner wire mobile phone Download PDFInfo
- Publication number
- CN209884308U CN209884308U CN201821978576.5U CN201821978576U CN209884308U CN 209884308 U CN209884308 U CN 209884308U CN 201821978576 U CN201821978576 U CN 201821978576U CN 209884308 U CN209884308 U CN 209884308U
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- bevel gear
- main shaft
- miniature
- shaft
- set forth
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Abstract
The utility model discloses a miniature ke shi needle cell-phone, it includes the casing and installs drive mechanism in the casing, drive mechanism include the transmission shaft, with the transmission shaft becomes the main shaft that the angle set up and connects first bevel gear and second bevel gear between transmission shaft and the main shaft, drive mechanism still locates including the cover the elastic component and the piece of screwing up at main shaft both ends, the elastic component sets up the main shaft with between the casing, it can drive to screw up the piece soon the main shaft removes the compression the elastic component with distance between the casing, thereby adjust meshing clearance between first bevel gear and the second bevel gear. The utility model discloses a miniature ke shi needle cell-phone can change bevel gear's axial position at any time, makes bevel gear group accurate meshing.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to miniature kirschner wire cell-phone.
Background
The kirschner wire is a commonly used internal fixation material in orthopedics and needs to be operated by a special kirschner wire mobile phone. The existing Kirschner wire mobile phone controls the meshing of the bevel gears by adding the adjusting gaskets, but the meshing of the bevel gears cannot be controlled accurately, so that the problems of high noise, serious heating and the like are caused, certain hidden dangers exist, the installation process is complex, and the use is inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the above-mentioned defect among the prior art, provide a miniature kirschner wire cell-phone, can change bevel gear's axial position at any time, make bevel gear group accurate meshing.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme: a miniature Kirschner wire mobile phone comprises a shell and a transmission mechanism arranged in the shell, wherein the transmission mechanism comprises a transmission shaft, a main shaft arranged at an angle with the transmission shaft, a first bevel gear and a second bevel gear, the first bevel gear and the second bevel gear are connected between the transmission shaft and the main shaft, the transmission mechanism further comprises an elastic piece and a screwing block, the elastic piece is sleeved at two ends of the main shaft, the elastic piece is arranged between the main shaft and the shell, and the screwing block can drive the main shaft to move and compress the distance between the elastic piece and the shell, so that the meshing gap between the first bevel gear and the second bevel gear is adjusted.
Furthermore, the utility model discloses still include following subsidiary technical scheme:
the screwing block is in threaded connection with the shell.
The main shaft is provided with a shoulder.
And a first deep groove ball bearing is arranged between the screwing block and the shoulder and sleeved on the main shaft and respectively abutted against the screwing block and the shoulder.
The first bevel gear is sleeved on the main shaft and abuts against the shoulder.
The shell is internally provided with a step part, the elastic piece is arranged between the step part and the main shaft, and the elastic piece is abutted against the step part.
A shaft sleeve is arranged between the elastic piece and the first bevel gear, the shaft sleeve is sleeved on the main shaft, and the shaft sleeve abuts against the first bevel gear.
The spindle sleeve and the elastic part are provided with a second deep groove ball bearing and a light load retaining ring therebetween, the second deep groove ball bearing and the light load retaining ring are sleeved on the spindle, the second deep groove ball bearing abuts against the spindle sleeve, and the light load retaining ring abuts against the elastic part.
The second bevel gear is sleeved on the transmission shaft, a motor is further installed on the transmission shaft, and the second bevel gear is connected with the motor.
The miniature Kirschner wire mobile phone further comprises a tail cover connected with the shell, a check ring is arranged between the screwing block and the tail cover, a rotary sealing ring is arranged between the check ring and the tail cover, and the rotary sealing ring and the check ring are both arranged on the main shaft.
Compared with the prior art, the utility model discloses the advantage lies in: the micro Kirschner wire mobile phone can change the axial position of the bevel gear at any time, so that the bevel gear set is precisely meshed, the problems of noise, heating and the like are solved, and the transmission efficiency of the whole host machine is improved; the disassembly and the assembly are simple and convenient, and the operation is easy.
Drawings
Fig. 1 is a schematic structural view of the micro kirschner wire mobile phone of the present invention.
Fig. 2 is a sectional view of the transmission mechanism of the present invention.
Fig. 3 is an exploded view of the housing of the present invention.
Fig. 4 is an exploded view of the transmission mechanism of the present invention.
Fig. 5 is an exploded view of the clamping mechanism of the present invention.
Fig. 6 is a cross-sectional view of the tightening block of the present invention using a set screw.
Detailed Description
The following non-limiting detailed description of the present invention is provided in connection with the preferred embodiments and accompanying drawings.
As shown in fig. 1 to 5, a micro kirschner wire hand piece according to the present invention includes a housing 100, a transmission mechanism 300 installed in the housing 100, and a clamping mechanism 200 installed on the housing 100.
The transmission mechanism 300 comprises a transmission shaft 301, a main shaft 302 arranged at an angle with the transmission shaft 301, and a first bevel gear 308 and a second bevel gear 316 connected between the transmission shaft 301 and the main shaft 302, wherein the transmission shaft 301 and the main shaft 302 are transmitted through the first bevel gear 308 and the second bevel gear 316, the first bevel gear 308 is sleeved on the main shaft 302, the second bevel gear 316 is sleeved on the transmission shaft 301, and the first bevel gear 308 is meshed with the second bevel gear 316. The transmission shaft 301 is also provided with a motor 317, and the second bevel gear 316 is connected with the motor 317. The housing 100 is provided with a first cavity 104 and a second cavity 105, the first cavity 104 and the second cavity 105 are communicated with each other and are arranged at an angle, the transmission shaft 301 is installed in the second cavity 105, and the main shaft 302 is installed in the first cavity 104.
The main shaft 302 is provided with a shoulder 318, and the first bevel gear 308 abuts against the shoulder 318. A first key groove 309 is formed in the first bevel gear 308, a second key groove 306 is formed in the main shaft 302, a flat key 307 is installed in the second key groove 306, and the first key groove 309 is engaged with the flat key 307 to limit rotation of the first bevel gear 308.
The transmission mechanism 300 further comprises an elastic member 304 and a screwing block 305 which are sleeved on both ends of the main shaft 302, and the elastic member 304 and the screwing block 305 are respectively installed on both sides of the first bevel gear 308. The screwing block 305 is in threaded connection with the housing 100, a set screw 315 is mounted on the screwing block 305, the set screw 315 is in threaded connection with the screwing block 305, as shown in fig. 6, the first fixing end 316 and the second fixing end 317 are slightly deformed by the set screw 315, so that the side threads of the first fixing end 316 and the second fixing end 317 are not clamped with the threads on the housing 100, and the screwing block 305 is prevented from loosening. A first deep groove ball bearing 314 is arranged between the screwing block 305 and the shoulder 318, the first deep groove ball bearing 314 is sleeved on the main shaft 302 and abuts against the screwing block 305 and the shoulder 318 respectively, and the screwing block 305 limits the axial movement of the second deep groove ball bearing 314.
A step portion 106 is provided in the housing 100, an elastic member 304 is attached between the step portion 106 and the main shaft 302, and the elastic member 304 abuts against the step portion 106. A shaft sleeve 310 is arranged between the elastic element 304 and the first bevel gear 302, the shaft sleeve 310 is sleeved on the main shaft 302, and the shaft sleeve 310 abuts against the first bevel gear 308. A second deep groove ball bearing 311 and a light load retaining ring 312 are arranged between the shaft sleeve 310 and the elastic element 304, the second deep groove ball bearing 311 and the light load retaining ring 312 are both sleeved on the main shaft 302, a first groove 313 is further formed in the main shaft 302, and the light load retaining ring 312 is installed in the first groove 313. The second deep groove ball bearing 311 abuts against the shaft sleeve 310, and the light load retainer ring 312 abuts against the elastic member 304.
The shell 100 is further connected with a tail cover 101, the tail cover 101 is in threaded connection with the shell 100, a retainer ring 102 is arranged between the screwing block 305 and the tail cover 101, a rotary sealing ring 103 is arranged between the retainer ring 102 and the tail cover 101, and the rotary sealing ring 103 and the retainer ring 102 are mounted on the main shaft 302.
The clamping mechanism 200 is used for fixing a kirschner wire and comprises a bolt 201, wherein the bolt 201 comprises a base 203 and a boss 202 connected with the base 203. At least 1 sealing ring 208 and a positioning ring 207 are sleeved on the boss 202, and the positioning ring 207 is arranged between the sealing ring 208 and the base 203; the boss 202 is provided with a second groove 204, a third groove 205 and a fourth groove 206, a sealing ring 208 is arranged in the third groove 205 and the fourth groove 206, a positioning ring 207 is arranged in the second groove 204, and an opening is formed in the positioning ring 207. The base 203 is provided with a second slot 209, a second cylindrical pin 210 is installed in the second slot 209, and the second cylindrical pin 210 is fastened with the opening of the positioning ring 207. The base 203 is further provided with a first slot (not shown) and a fifth slot (not shown), the fifth slot is provided with a sealing block 212, the first slot is provided with a first cylindrical pin 211, the housing 100 is provided with a third slot (not shown) at a connection position with the clamping mechanism 200, the position of the clamping mechanism 200 on the housing 100 is positioned through the matching of the first cylindrical pin 211 and the third slot, and the clamping mechanism is fixed by a cross-slot screw 213.
When the device is used, the screwing block 305 is axially moved along the thread by rotating the screwing block 305, the first deep groove ball bearing 314 is pushed to move forwards, the first deep groove ball bearing 314 abuts against the shoulder 318, the whole main shaft 302 moves forwards, the first bevel gear 308 on the main shaft 302 is driven to push the shaft sleeve 310 and the second deep groove ball bearing 311 to move forwards, the second deep groove ball bearing 311 compresses the distance between the elastic part 304 and the step part 106, the gap between the first bevel gear 308 and the second bevel gear 316 is reduced, and the first bevel gear 308 and the second bevel gear 316 can be meshed at the pitch circle position.
The utility model discloses a miniature ke shi needle cell-phone, through screwing the piece of screwing and promote the main shaft to remove, the distance between compression elastic component and the casing adjusts the meshing clearance between the bevel gear group, makes two bevel gears can mesh in the position of pitch circle, can avoid machining error and assembly error to cause the gear not mesh in pitch circle department and bring the noise big like this, the serious scheduling problem of generating heat improves the transmission efficiency of whole host computer; the screwing block is connected with the screw thread of the set screw, can effectively prevent looseness, can be adjusted at any time, is easy and convenient to assemble and disassemble, and is easy to operate.
It should be noted that the above-mentioned preferred embodiments are only for illustrating the technical concepts and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention accordingly, and the protection scope of the present invention cannot be limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. A miniature k-wire handpiece comprising a housing (100) and a drive mechanism (300) mounted within the housing (100), the drive mechanism (300) comprising a drive shaft (301), a main shaft (302) disposed at an angle to the drive shaft (301), and first and second bevel gears (308, 316) connected between the drive shaft (301) and main shaft (302), characterized in that: the transmission mechanism (300) further comprises an elastic member (304) and a screwing block (305) sleeved at two ends of the main shaft (302), the elastic member (304) is arranged between the main shaft (302) and the housing (100), and the screwing block (305) can drive the main shaft (302) to move to compress the distance between the elastic member (304) and the housing (100), so that the meshing clearance between the first bevel gear (308) and the second bevel gear (316) is adjusted.
2. The miniature k-wire handpiece as set forth in claim 1, wherein: the screwing block (305) is in threaded connection with the shell (100).
3. The miniature k-wire handpiece as set forth in claim 1, wherein: a shoulder (318) is arranged on the main shaft (302).
4. The miniature k-wire handpiece as set forth in claim 3, wherein: a first deep groove ball bearing (314) is arranged between the screwing block (305) and the shoulder (318), and the first deep groove ball bearing (314) is sleeved on the main shaft (302) and is respectively abutted against the screwing block (305) and the shoulder (318).
5. The miniature k-wire handpiece as set forth in claim 3, wherein: the first bevel gear (308) is sleeved on the main shaft (302), and the first bevel gear (308) is abutted against the shoulder (318).
6. The miniature k-wire handpiece as set forth in claim 1, wherein: a step part (106) is arranged in the shell (100), the elastic piece (304) is installed between the step part (106) and the main shaft (302), and the elastic piece (304) is abutted against the step part (106).
7. The miniature k-wire handpiece as set forth in claim 1, wherein: a shaft sleeve (310) is arranged between the elastic piece (304) and the first bevel gear (308), the shaft sleeve (310) is sleeved on the main shaft (302), and the shaft sleeve (310) abuts against the first bevel gear (308).
8. The miniature k-wire handpiece as set forth in claim 7, wherein: the novel spindle is characterized in that a second deep groove ball bearing (311) and a light load retaining ring (312) are arranged between the shaft sleeve (310) and the elastic piece (304), the second deep groove ball bearing (311) and the light load retaining ring (312) are sleeved on the spindle (302), the second deep groove ball bearing (311) abuts against the shaft sleeve (310), and the light load retaining ring (312) abuts against the elastic piece (304).
9. The miniature k-wire handpiece as set forth in claim 1, wherein: second bevel gear (316) cover is established transmission shaft (301) is last, still install motor (317) on transmission shaft (301), second bevel gear (316) with motor (317) link to each other.
10. The miniature k-wire handpiece as set forth in claim 1, wherein: the miniature Kirschner wire mobile phone further comprises a tail cover (101) connected with the shell (100), a retainer ring (102) is arranged between the screwing block (305) and the tail cover (101), a rotary sealing ring (103) is arranged between the retainer ring (102) and the tail cover (101), and the rotary sealing ring (103) and the retainer ring (102) are both arranged on the main shaft (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821978576.5U CN209884308U (en) | 2018-11-28 | 2018-11-28 | Miniature kirschner wire mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821978576.5U CN209884308U (en) | 2018-11-28 | 2018-11-28 | Miniature kirschner wire mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209884308U true CN209884308U (en) | 2020-01-03 |
Family
ID=69015208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821978576.5U Expired - Fee Related CN209884308U (en) | 2018-11-28 | 2018-11-28 | Miniature kirschner wire mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209884308U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109350215A (en) * | 2018-11-28 | 2019-02-19 | 苏州益诺斯医疗科技有限公司 | A kind of miniature Kirschner wire mobile phone |
-
2018
- 2018-11-28 CN CN201821978576.5U patent/CN209884308U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109350215A (en) * | 2018-11-28 | 2019-02-19 | 苏州益诺斯医疗科技有限公司 | A kind of miniature Kirschner wire mobile phone |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200103 Termination date: 20211128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |