CN107376226B - Head rotating mechanism for cervical muscle trainer - Google Patents
Head rotating mechanism for cervical muscle trainer Download PDFInfo
- Publication number
- CN107376226B CN107376226B CN201710627003.1A CN201710627003A CN107376226B CN 107376226 B CN107376226 B CN 107376226B CN 201710627003 A CN201710627003 A CN 201710627003A CN 107376226 B CN107376226 B CN 107376226B
- Authority
- CN
- China
- Prior art keywords
- rotating
- flange
- head
- positioning pin
- hole
- 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.)
- Active
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 66
- 210000003205 muscle Anatomy 0.000 title abstract description 38
- 239000000725 suspension Substances 0.000 claims abstract description 12
- 238000012549 training Methods 0.000 claims description 24
- 210000004237 neck muscle Anatomy 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims 1
- 230000006835 compression Effects 0.000 description 20
- 238000007906 compression Methods 0.000 description 20
- 230000008859 change Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 206010069689 Spinal column injury Diseases 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/025—Exercising apparatus specially adapted for particular parts of the body for the head or the neck
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention provides a head rotating mechanism for a cervical muscle trainer, the cervical muscle trainer comprises a suspension arm, the head rotating mechanism comprises a rotating support and a rotating shaft which is fixedly connected with the rotating support and is vertically arranged, the suspension arm is provided with a through hole for inserting the rotating shaft, a rotating flange is arranged above the through hole, the rotating shaft passes through the through hole and is fixedly connected with the rotating flange, the rotating flange is provided with a plurality of limiting holes, the head rotating mechanism can be locked at a plurality of positions, so that a user can train the cervical muscle in a plurality of directions, the head rotating mechanism also comprises a locking component which is arranged on the suspension arm and acts on the rotating flange, the locking component comprises a positioning pin, the rotating support is rotated to drive the rotating flange to rotate, the rotating support is rotated to the position, the positioning pin is shifted to be inserted into the limiting hole to fix the rotating flange so as to lock the position of the rotating support, when the cervical muscle trainer is used, the position of the head rotating mechanism can not be changed, so that the cervical muscle trainer can be used more safely.
Description
Technical Field
The invention relates to the field of head rotating mechanisms, in particular to a head rotating mechanism for a cervical muscle trainer.
Background
Relevant researches show that the development of cervical muscle strength training has a remarkable effect on reducing the incidence of cervical vertebra injury, and for better cervical muscle training effect, a user preferably performs cervical muscle training in different directions, and if the position of the head rotating mechanism changes in the training process, the stress direction of the neck of the user changes suddenly, so that the cervical vertebra of the user is damaged, and therefore the fixation of the position of the head rotating mechanism is particularly important.
Disclosure of Invention
The invention aims to provide a head rotating mechanism which is used for a cervical muscle trainer and is safe to use.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a head rotary mechanism for neck muscle training ware, neck muscle training ware includes the davit, head rotary mechanism include runing rest and with runing rest fixed connection and the pivot of vertical setting, be equipped with on the davit and supply pivot male through-hole, the through-hole top is equipped with the swivel flange, the pivot pass the through-hole and with swivel flange fixed connection, be equipped with a plurality of spacing holes on the swivel flange, head rotary mechanism is still including locating on the davit and acting on the locking subassembly of swivel flange, the locking subassembly includes the locating pin, it rotates in order to drive the swivel flange, the runing rest rotates to the position, stir the locating pin so that the locating pin inserts spacing downthehole in order to fix the swivel flange and then with the position locking of runing rest.
Furthermore, the locking assembly further comprises a mounting seat for mounting the positioning pin, a limiting block is arranged on the positioning pin, an elastic resetting piece is sleeved on the positioning pin, and the elastic resetting piece is arranged between the limiting block and the mounting seat.
Furthermore, be equipped with the spacing groove on the stopper, be equipped with on the mount pad and hold the chamber, the elasticity piece that resets is located the spacing groove and is held between the chamber.
Furthermore, be equipped with the handle on the locating pin, the locating pin is kept away from the one end of handle and is cooperated with the position of fixed rotating flange with spacing hole, and the handle cooperates with the axial position of restriction locating pin with the mount pad.
Furthermore, a limiting sleeve matched with the handle is arranged on the mounting seat.
Furthermore, the inner surface of the limiting sleeve is conical, and the size of the cross section of the inner part of the limiting sleeve is gradually reduced from one end far away from the positioning pin to one end close to the positioning pin.
Furthermore, a plurality of spacing holes are arranged along the circumference equipartition of rotating flange, and the drill way of spacing hole is towards the axle center of pivot.
Furthermore, a bearing seat is arranged in the through hole, a bearing is arranged on the bearing seat, and the rotating shaft is connected with the suspension arm through the bearing.
Furthermore, a locking part is arranged on the rotating flange, and the rotating shaft is fixedly connected with the locking part through threads so that the rotating flange is fixed with the rotating shaft.
Furthermore, one end of the limiting hole, which is far away from the locking assembly, is provided with a limiting switch for judging the rotation angle of the rotating bracket, and the positioning pin is inserted into the limiting hole so that the positioning pin compresses the limiting switch to conduct the limiting switch.
After the technical scheme is adopted, the invention has the following advantages:
1. the through holes are formed in the suspension arm, so that a rotating shaft fixedly connected with the rotating support can penetrate through the through holes to be fixedly connected with the rotating flange, the rotating support and the rotating flange can synchronously rotate, a plurality of limiting holes are formed in the rotating flange, the suspension arm is provided with the locking assembly, the locking assembly comprises the positioning pins, the positioning pins are matched with the limiting holes to fix the position of the rotating flange, and the head rotating mechanism can be locked at a plurality of positions due to the plurality of limiting holes, so that a user can train cervical muscles in a plurality of directions, and the cervical muscle training effect is optimal; during the use, rotate the runing rest, when the runing rest rotated the position, stir the locating pin so that the locating pin inserts in order to fix the position of swivel flange in spacing hole, because of runing rest and swivel flange synchronous rotation, so the position of runing rest also is locked, and when using the cervical muscle training ware, the position of head rotary mechanism can not change, makes the use of cervical muscle training ware safer.
2. The elastic reset piece is arranged between the limiting block and the mounting seat and sleeved on the positioning pin, when the positioning pin is pulled out, the limiting block approaches the mounting seat, the elastic reset piece is compressed and stores energy, when the positioning pin is released, the elastic reset piece is restored to the original state and releases energy, the limiting block is pushed to the rotating flange, the positioning pin is inserted into the limiting hole, and the elastic reset piece enables the positioning pin to be inserted into the positioning hole simply and conveniently; and after the positioning pin is inserted into the limiting hole, the elastic reset piece still has acting force on the limiting block, so that the positioning pin is kept matched with the limiting hole, the reliability of the locking rotating support is ensured, and further, when the cervical muscle trainer is used, the position of the head rotating mechanism cannot be changed, and the cervical muscle trainer is safer to use.
3. Through set up the spacing groove on the stopper, set up on the mount pad and hold the chamber, reset the piece with elasticity and install between the spacing groove and hold the chamber, make elasticity reset the piece and be difficult to warp or the skew because of the compression takes place to guarantee the reliability that elasticity reset the piece and use, further guarantee when using the cervical muscle training ware, head rotary mechanism's position can not change, makes the use of cervical muscle training ware safer.
4. Through set up the handle on the locating pin, the convenience is extracted the locating pin, the axial position of handle and mount pad cooperation in order to restrict the locating pin, make the locating pin insert spacing hole after, the elasticity between stopper and the mount pad piece that resets still is in compression state, the elasticity piece that resets still has the effort to the stopper, make the locating pin keep with spacing hole's cooperation, guarantee locking runing rest's reliability, and then guarantee when using the neck muscle training ware, head rotary mechanism's position can not change, make the use of neck muscle training ware safer.
5. The limiting sleeve is arranged on the mounting seat, and the limiting sleeve is matched with the handle to limit the axial position of the handle, so that the axial position of the positioning pin is limited, after the positioning pin is inserted into the limiting hole, the elastic reset piece between the limiting block and the mounting seat is still in a compressed state, the elastic reset piece still has acting force on the limiting block, the positioning pin is kept matched with the limiting hole, the reliability of the locking rotating bracket is ensured, and further, the position of the head rotating mechanism is not changed when the cervical muscle trainer is used, so that the cervical muscle trainer is safer to use; meanwhile, the limiting sleeve plays a role in buffering, the locating pin is prevented from impacting the limiting hole vigorously, the locating pin and the limiting hole are protected, and the mechanism is more reliable to use.
6. The inner surface of the limiting sleeve is arranged to be tapered, and the size of the cross section of the inner portion of the limiting sleeve is gradually reduced from one end far away from the positioning pin to one end close to the positioning pin, so that the outer surface of the handle matched with the limiting sleeve is also tapered and gradually reduced from one end far away from the positioning pin to one end close to the positioning pin, the handle can be easily pulled out of the limiting sleeve, and the operation is simpler and more convenient.
7. The plurality of limiting holes are uniformly distributed along the circumferential direction of the rotating flange, the orifices of the limiting holes face to the axis of the rotating shaft, the limiting holes are arranged at the side edge of the rotating flange, and the orifices are arranged towards the axis of the rotating shaft, so that the positioning pins can conveniently position the limiting holes, and the structure of the head rotating mechanism is more reasonable; and because spacing hole circumference equipartition sets up, the angle that needs the pivoted between per two spacing holes is certain, can conveniently have certain judgement to the turned angle, makes head rotary mechanism's use more convenient.
8. Through set up the bearing frame in the through-hole, installation bearing on the bearing frame, the pivot passes through the bearing and is connected with the davit, and the bearing supports the rotation of pivot in the through-hole, reduces the rotational friction of pivot, and the bearing makes the pivot all can not remove on axial direction and radial direction simultaneously, guarantees the gyration precision of pivot, makes head rotary mechanism's rotation more steady, reliable.
9. Through setting up the retaining member on rotatory flange, the pivot passes through threaded connection with the retaining member, make rotatory flange fix in the pivot, through threaded connection pivot and retaining member, it is more convenient to make head rotary mechanism's installation, the screw thread has auto-lock nature simultaneously, it is more reliable to make the connection between pivot and the retaining member, and then makes the pivot more reliable with being connected of rotatory flange, thereby guarantee that rotatory flange and runing rest can rotate in step, head rotary mechanism's reliability has been increased.
10. The limiting switch is arranged at one end, far away from the locking assembly, of the limiting hole, when the positioning pin is inserted into the limiting hole, the positioning pin presses the limiting switch to enable the limiting switch to be conducted, and the limiting switch is conducted when the positioning pin is matched with the limiting hole, so that the limiting switch is disconnected in a rotating state of the rotating support, and the safety of the head rotating mechanism is improved; and the specific position of the limiting hole matched with the positioning pin can be known by judging which position the limiting switch is switched on, so that the rotating angle of the rotating bracket is judged, and the function of the head rotating mechanism is more perfect.
Drawings
The invention is further described below with reference to the accompanying drawings:
fig. 1 is a schematic structural diagram of a head rotation mechanism according to an embodiment of the present invention.
Fig. 2 is a schematic partial structural view of the head rotation mechanism according to an embodiment of the present invention.
Fig. 3 is a partial structural schematic view of another angle of the head rotating mechanism according to the embodiment of the invention.
Fig. 4 is a partial sectional view of the head rotating mechanism according to the first embodiment of the present invention.
Fig. 5 is a partial sectional view of a head rotating mechanism according to a second embodiment of the present invention.
The names of the components marked in the figures are as follows:
1. a suspension arm; 12. a bearing seat; 13. a bearing; 14. fixing a bracket; 2. rotating the bracket; 3. a rotating shaft; 31. a central bore; 4. rotating the flange; 41. a limiting hole; 42. a locking member; 43. a limit switch; 5. positioning pins; 51. a limiting block; 511. a limiting groove; 52. a compression spring; 53. a handle; 6. a mounting seat; 61. an accommodating chamber; 62. a position-limiting sleeve.
Detailed Description
The first embodiment is as follows:
as shown in fig. 1 to 4, the present invention provides a head rotating mechanism for a cervical muscle trainer, the cervical muscle trainer comprises a suspension arm 1, the head rotating mechanism comprises a rotating bracket 2 and a rotating shaft 3, the rotating shaft 3 is fixed on the rotating bracket 2 and the rotating shaft 3 is vertically arranged, the suspension arm 1 is provided with a through hole for inserting the rotating shaft 3, a rotating flange 4 is arranged above the through hole, the rotating shaft 3 passes through the through hole and then is fixedly connected with the rotating flange 4, the through hole is arranged on the suspension arm 1, so that the rotating shaft 3 fixedly connected with the rotating bracket 2 can pass through the through hole and is fixedly connected with the rotating flange 4 to realize synchronous rotation of the rotating bracket 2 and the rotating flange 4, the rotating flange 4 is provided with a plurality of limiting holes 41, the head rotating mechanism further comprises a locking assembly, the locking assembly is arranged on the suspension arm 1 and acts on the rotating flange 4, the locking assembly comprises a positioning pin 5, the position of the rotating flange 4 can be fixed by matching the positioning pin 5 with the limiting hole 41, and the head rotating mechanism can be locked at a plurality of positions due to the fact that the limiting hole 41 is provided with a plurality of holes, so that a user can carry out cervical muscle training in a plurality of directions, and the effect of the cervical muscle training is optimal. During the use, rotate runing rest 2, when runing rest 2 rotated and target in place, stir locating pin 5 so that locating pin 5 inserts in spacing hole 41 with the rigidity of rotating flange 4, because of runing rest 2 rotates with rotating flange 4 is synchronous, so the position of runing rest 2 also is locked, when using the cervical muscle training ware, the position of head rotary mechanism can not change, makes the use of cervical muscle training ware safer.
In this embodiment, be equipped with fixed bolster 14 on davit 1, fixed bolster 14 passes through bolted connection with davit 1, the locking subassembly passes through fixed bolster 14 and installs on davit 1, the locking subassembly still includes mount pad 6, mount pad 6 is used for installing locating pin 5, install stopper 51 above the locating pin 5, stopper 51 passes through screw thread fixed connection with locating pin 5, the auto-lock nature of screw thread is good, make the connection between stopper 51 and the locating pin 5 more reliable, the cover is equipped with the elasticity piece that resets on the locating pin 5, the elasticity piece that resets is located between stopper 51 and the mount pad 6. Specifically, the elastic restoring member is a compression spring 52, and the compression spring 52 can well bear the pressure and can contract and deform when being subjected to an external load to store deformation energy. A compression spring 52 is arranged between the limiting block 51 and the mounting seat 6, the compression spring 52 is sleeved on the positioning pin 5, when the positioning pin 5 is pulled out, the limiting block 51 approaches to the mounting seat 6, the compression spring 52 is compressed and stores energy, when the positioning pin 5 is released, the compression spring 52 restores to the original state and releases energy, the limiting block 51 is pushed to the rotating flange 4 to enable the positioning pin 5 to be inserted into the limiting hole 41, and the compression spring 52 enables the positioning pin 5 to be inserted simply and conveniently; and after the locating pin 5 is inserted into the limiting hole 41, the compression spring 52 is still in a compression state and has force on the limiting block 51, so that the locating pin 5 is kept matched with the limiting hole 41, the reliability of the locking rotating bracket is ensured, and the position of the head rotating mechanism is not changed when the cervical muscle trainer is used, so that the cervical muscle trainer is safer to use.
Install handle 53 on locating pin 5, locating pin 5 passes through threaded connection with handle 53, the auto-lock nature of screw thread is good, make the locating pin reliable with being connected of handle, can extract locating pin 5 very conveniently through handle 53, thereby locating pin 5 keeps away from handle 53's one end and spacing hole 41 cooperation fixed rotary flange 4's position, thereby handle 53 cooperates the axial position of restriction locating pin 5 with mount pad 6, make locating pin 5 insert behind the spacing hole 41, compression spring 52 between stopper 51 and the mount pad 6 still is in the state of compressed, compression spring 52 still has the effort to stopper 51, make locating pin 5 keep the cooperation with spacing hole 41, guarantee the reliability of runing rest 2 locking, and then guarantee when using the neck muscle training ware, the position of head rotary mechanism can not change, make the use of neck muscle training ware safer.
The plurality of limiting holes 41 are uniformly distributed along the circumferential direction of the rotating flange 4, the orifices of the limiting holes 41 face the axis of the rotating shaft 3, the limiting holes 41 are arranged on the side edge of the rotating flange 4, and the orifices face the axis of the rotating shaft 3, so that the positioning pins 5 can conveniently position the limiting holes 41, and the structure of the head rotating mechanism is more reasonable; and because the spacing holes 41 are uniformly distributed in the circumferential direction, the angle required to rotate between every two spacing holes is certain, so that the rotating angle can be conveniently judged to a certain degree, and the use of the head rotating mechanism is more convenient. In this embodiment, there are 3 limiting holes 41, so that the distance between each limiting hole is 45 °, the head rotating mechanism can rotate 45 ° and 90 °, and the cervical muscle trainer can perform cervical muscle training in three modes of forward flexion, backward extension, left-right lateral flexion and oblique lateral extension, so that the cervical muscle group of the user can be trained in all directions.
Install bearing frame 12 in the through-hole, install bearing 13 on the bearing frame 12, pivot 3 passes through bearing 13 and is connected with davit 1, and bearing 13 supports the rotation of pivot 3 in the through-hole, reduces the rotational friction of pivot 3, and bearing 13 makes pivot 3 all can not remove on axial direction and radial direction simultaneously, guarantees the gyration precision of pivot 3, makes head rotary mechanism's rotation more steady, reliable.
Install retaining member 42 on rotary flange 4, retaining member 42 passes through the fix with screw on rotary flange 4, pivot 3 passes through threaded connection with retaining member 42 and fixes so that rotary flange 4 is fixed with pivot 3, through threaded connection pivot 3 and retaining member 42, it is more convenient to make head rotary mechanism's installation, the screw thread has auto-lock nature simultaneously, it is more reliable to make the connection between pivot 3 and the retaining member 42, and then make pivot 3 more reliable with rotary flange 4's connection, thereby guarantee that rotary flange 4 and runing rest 2 can rotate in step, head rotary mechanism's reliability has been increased.
The end, far away from the locking assembly, of the limiting hole 41 is provided with the limiting switch 43, when the positioning pin 5 is inserted into the limiting hole 41, the positioning pin 5 presses the limiting switch 43 to enable the limiting switch 43 to be conducted, the limiting switch 43 is conducted when the positioning pin 5 is matched with the limiting hole 41, and the limiting switch 43 is disconnected in a rotating state of the rotating bracket 2, so that the safety of the head rotating mechanism is improved; and the specific position of the limiting hole matched with the positioning pin can be conveniently known by judging which position the limiting switch is switched on, so that the rotating angle of the rotating bracket is judged, and the function of the head rotating mechanism is more perfect.
The rotating shaft 3 is provided with a center hole 31, the center hole 31 penetrates through the rotating shaft 3, and the center hole 31 is used for arranging wires, so that a user cannot directly contact the wires, and the use safety of the cervical muscle trainer is improved; meanwhile, the space is reasonably utilized, so that the structure of the head rotating mechanism is more reasonable.
It can be understood that the elastic resetting piece can also be an elastic silica gel pad or an elastic rubber pad and the like, as long as the elastic resetting piece can bear pressure and can contract and deform when being subjected to external load, and deformation energy can be stored.
It is understood that the number of the limiting holes may be 2, 4, 5, 6, 7, etc.
The second embodiment:
the main difference between the first embodiment and the second embodiment is that the positioning pin and the handle are integrally formed, and the mounting seat is provided with a limiting sleeve matched with the handle.
As shown in FIG. 5, the positioning pin 5 and the handle 53 are integrally formed, which improves the connection reliability of the positioning pin and the handle and prevents the head rotating mechanism from being inconvenient to rotate due to the insecure connection between the positioning pin and the handle.
The mounting seat 6 is provided with the limiting sleeve 62 matched with the handle 53, the limiting sleeve 62 is arranged on the mounting seat 6, the limiting sleeve 62 is matched with the handle 53 to limit the axial position of the handle 53, so that the axial position of the positioning pin 5 is limited, after the positioning pin 5 is inserted into the limiting hole 41, the compression spring 52 between the limiting block 51 and the mounting seat 6 is still in a compressed state, the compression spring 52 still has acting force on the limiting block 51, the positioning pin 5 is kept matched with the limiting hole 41, the reliability of the locking rotating bracket is ensured, and the position of the head rotating mechanism is ensured not to be changed when the cervical muscle trainer is used, so that the cervical muscle trainer is safer to use; meanwhile, the limiting sleeve 62 plays a role in buffering, the positioning pin 5 is prevented from greatly impacting the limiting hole 41, the positioning pin 5 and the limiting hole 41 are protected, and the mechanism is more reliable to use.
The inner surface of the limiting sleeve 62 is conical, the cross sectional dimension inside the limiting sleeve 62 is gradually reduced from one end far away from the positioning pin 5 to one end close to the positioning pin 5, and the setting has the advantages that the inner surface of the limiting sleeve 62 is conical, and the cross sectional dimension inside the limiting sleeve 62 is gradually reduced from one end far away from the positioning pin 5 to one end close to the positioning pin 5, so that the outer surface of the handle 53 matched with the limiting sleeve 62 is also conical, and is gradually reduced from one end far away from the positioning pin 5 to one end close to the positioning pin 5, the handle 53 can be easily pulled out from the limiting sleeve 62, and the operation is simpler and more convenient.
Other embodiments of the present invention than the preferred embodiments described above will be apparent to those skilled in the art from the present invention, and various changes and modifications can be made therein without departing from the spirit of the present invention as defined in the appended claims.
Claims (10)
1. The utility model provides a head rotary mechanism for neck muscle training ware, neck muscle training ware include the davit, head rotary mechanism include runing rest and with runing rest fixed connection and the pivot of vertical setting, a serial communication port, be equipped with on the davit and supply pivot male through-hole, the through-hole top is equipped with the swivel flange, the pivot pass the through-hole and with swivel flange fixed connection, be equipped with a plurality of spacing holes on the swivel flange, head rotary mechanism is still including locating on the davit and acting on the locking subassembly of swivel flange, the locking subassembly includes the locating pin, rotate the runing rest and rotate in order to drive the swivel flange, the runing rest rotates to the position, stir the locating pin so that the locating pin inserts spacing downthehole in order to fix and then with the position locking of runing rest with the swivel flange.
2. The head rotating mechanism according to claim 1, wherein the locking assembly further comprises a mounting seat for mounting a positioning pin, a limiting block is arranged on the positioning pin, an elastic resetting member is sleeved on the positioning pin, and the elastic resetting member is arranged between the limiting block and the mounting seat.
3. The head rotating mechanism according to claim 2, wherein the limiting block is provided with a limiting groove, the mounting seat is provided with an accommodating cavity, and the elastic reset member is arranged between the limiting groove and the accommodating cavity.
4. The head rotation mechanism according to claim 2, wherein a handle is provided on the positioning pin, one end of the positioning pin, which is away from the handle, is engaged with the limiting hole to fix the position of the rotating flange, and the handle is engaged with the mounting seat to limit the axial position of the positioning pin.
5. The head rotation mechanism of claim 4, wherein the mounting base is provided with a stop collar that engages with the handle.
6. The head rotation mechanism of claim 5, wherein the inner surface of the stop collar is tapered, and the cross-sectional dimension of the interior of the stop collar decreases from the end distal from the locating pin to the end proximal to the locating pin.
7. The head rotation mechanism according to claim 1, wherein the plurality of limiting holes are uniformly distributed along the circumferential direction of the rotating flange, and the orifices of the limiting holes face the axis of the rotating shaft.
8. The head rotation mechanism according to claim 1, wherein a bearing seat is provided in the through hole, a bearing is provided on the bearing seat, and the rotating shaft is connected to the suspension arm through the bearing.
9. The head rotation mechanism according to claim 1, wherein the rotating flange is provided with a locking member, and the rotating shaft is fixed to the locking member by screwing so that the rotating flange is fixed to the rotating shaft.
10. The head rotating mechanism according to claim 1, wherein a limit switch for determining a rotation angle of the rotating bracket is disposed at an end of the limit hole away from the locking assembly, and the positioning pin is inserted into the limit hole so that the positioning pin presses the limit switch to turn on the limit switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710627003.1A CN107376226B (en) | 2017-07-27 | 2017-07-27 | Head rotating mechanism for cervical muscle trainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710627003.1A CN107376226B (en) | 2017-07-27 | 2017-07-27 | Head rotating mechanism for cervical muscle trainer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107376226A CN107376226A (en) | 2017-11-24 |
| CN107376226B true CN107376226B (en) | 2022-08-26 |
Family
ID=60342852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710627003.1A Active CN107376226B (en) | 2017-07-27 | 2017-07-27 | Head rotating mechanism for cervical muscle trainer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107376226B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209361236U (en) * | 2018-02-13 | 2019-09-10 | 清华大学天津高端装备研究院 | A kind of curing senile dementia instrument including alzheimer's disease |
| CN112704852A (en) * | 2020-12-24 | 2021-04-27 | 毕晓杰 | Department of respiration breathing rehabilitation training device suitable for different size heads |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5231114B2 (en) * | 1973-03-20 | 1977-08-12 | ||
| FI107234B (en) * | 1998-01-09 | 2001-06-29 | Dbc Internat Oy | Device for training and rehabilitation of the muscles around the cervical spine and / or the cervical spine's movement pattern by exercising the head rotation |
| CN207253652U (en) * | 2017-07-27 | 2018-04-20 | 浙江捷昌线性驱动科技股份有限公司 | A kind of end rotation mechanism for cervical muscle exercising apparatus |
-
2017
- 2017-07-27 CN CN201710627003.1A patent/CN107376226B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107376226A (en) | 2017-11-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107376226B (en) | Head rotating mechanism for cervical muscle trainer | |
| JP6527352B2 (en) | Instruments and systems for holding and inserting bone anchors into bone and systems of bone anchors | |
| KR20110056193A (en) | Weighted Grip Structure and Golf Club | |
| CN109480994A (en) | Orthopaedics pedicle screw | |
| CN211040271U (en) | Force adjusting device about bulb of display support | |
| CN210119673U (en) | Bottom cap screwing machine | |
| CN207253652U (en) | A kind of end rotation mechanism for cervical muscle exercising apparatus | |
| CN215129872U (en) | Pedicle screw assembly | |
| CN203873867U (en) | Universal stem holder | |
| CN210600858U (en) | Universal seat convenient for rotating at different visual angles | |
| CN213076486U (en) | A fascia gun rotating structure | |
| CN211107959U (en) | Self-locking vertical rotation resetting device | |
| CN213156352U (en) | Intramedullary nail sighting device | |
| CN104260688B (en) | Ejection type window breaking device | |
| CN104765423A (en) | PCIE (Peripheral Component Interface Express) card fixing mechanism | |
| US20170020349A1 (en) | Fixing device of toilet cover | |
| CN221998029U (en) | Medical instrument clamping head and medical instrument clamping tool | |
| CN203706041U (en) | Mechanism for fixing PCIE card | |
| CN201763063U (en) | Foldable key | |
| CN213491554U (en) | TDP therapeutic instrument support frame | |
| CN104340158A (en) | Bar-type base fixed type emergency escape device in vehicle | |
| CN101132745A (en) | Removably fixing a dental instrument with a retractable catch relative to a drive shaft axis | |
| CN205950667U (en) | A buffer for assaulting bore | |
| CN214512440U (en) | Indoor horizontal bar | |
| CN221205829U (en) | Phalangeal fracture reduction, fixation and positioning support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |