CN202791195U - Rotating device and diasonograph thereof - Google Patents
Rotating device and diasonograph thereof Download PDFInfo
- Publication number
- CN202791195U CN202791195U CN 201220386318 CN201220386318U CN202791195U CN 202791195 U CN202791195 U CN 202791195U CN 201220386318 CN201220386318 CN 201220386318 CN 201220386318 U CN201220386318 U CN 201220386318U CN 202791195 U CN202791195 U CN 202791195U
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- base
- spring
- friction plate
- slewing gear
- latch
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- 238000012856 packing Methods 0.000 claims description 19
- 238000013016 damping Methods 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 239000011148 porous material Substances 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 7
- 230000000452 restraining effect Effects 0.000 description 7
- 239000003082 abrasive agent Substances 0.000 description 4
- 239000002360 explosive Substances 0.000 description 4
- 230000008093 supporting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model discloses a rotating device. The rotating device comprises a base seat (11), a first friction plate (12), a connection seat (31), a screw head (141), a spring (142) and a gasket (143). The connection seat (31) is arranged in the base seat (11), the inner surface of the base seat (11) is connected with the outer surface of the connection seat (31) through the first friction plate (12), the connection seat (31) can rotate in the base seat (11), the screw head (141) is connected in an open pore in the base seat (11) in a threaded mode, the spring (142) and the gasket (143) are arranged inside the base seat (11), one end of the spring (142) is abutted against the screw head (141), the other end of the spring (142) is abutted against the gasket (143), and the gasket (143) contacts the first friction plate (12). The rotating device has the advantages of being simple to produce and manufacture and easy to assemble, force values of frictional damping can be adjusted conveniently, and handfeel is good in the process of rotating.
Description
The application be that September 27, application number in 2011 are 201120373319.0 the applying date, name is called the dividing an application of formerly patent application of " a kind of device support device and diasonograph thereof ".
Technical field
The utility model relates to a kind of device support device and diasonograph thereof.
Background technique
Being connected between display device support apparatus and main frame, should solid and reliable ground support displays, can stand conventional impact shock, can regulate again the rotation angle of the relative main frame of display device, make the display device can be towards different directions, simultaneously when rotating display device, suitable damping force is arranged, can not be too gently or too heavy, dynamics is wanted evenly, and can be locked in a certain position in transportation process.
Common revolute pair structure mainly contains two kinds in the market, a kind of is the form of sleeve revolute pair, comprise, central shaft, sleeve and circular high-abrasive material, high-abrasive material is enclosed within on the central shaft, the whole threading in the sleeve again, circular high-abrasive material have certain taper or middle protruding two ends recessed, are assemblied in the frictional force and central shaft or sleeve generation damping force that produce by distortion between axle and the sleeve; Another is the disc format revolute pair, comprise disk, lower disc and metal friction sheet etc., the metal friction sheet is clipped between the lower disc, upper lower disc is riveted together by the ring center axle, the metal friction sheet is subjected to certain pressure, and upper lower disc can relatively rotate friction metal friction sheet and form damping.
The revolute pair of form of sleeve, within a period of time, can satisfy the requirement of rotary damping power size, but the increase along with number of revolutions, the amount of deformation of high-abrasive material can slow down and material has a little wearing and tearing and can't compensate, can cause like this damping force slowly to diminish, finally possibly can't satisfy usage requirement, can greatly increase maintenance and after service cost like this, affect the quality of product.The revolute pair of disc format, riveted joint form decay well slowly, but process for machining and manufacturing is proposed very high requirement, have increased cost.
These revolute pair major parts do not have locking device, also there are some that the bolt-type locking device has been installed, namely display device or support arm are pinned, namely a latch inserts in the deep hole and is stuck, unclamp latch by deflector rod structure and can extract latch and unblank, the locking mechanism that locks separately revolute pair is seldom seen.
Summary of the invention
One of the purpose of this utility model provides a kind of power value slewing gear and diasonograph thereof easy to adjust of easy and frictional damping of making simply, assemble.
For achieving the above object, the utility model proposes a kind of slewing gear, comprise: base (11), the first friction plate (12), connecting base (31), screw terminal (141), spring (142), packing ring (143), described connecting base (31) is arranged in base (11), the internal surface of described base (11) is connected with the outer surface of connecting base (31) by the first friction plate (12), described connecting base (31) can rotate in base (11), described screw terminal (141) is threaded in the perforate on the base (11), described spring (142) is arranged in base (11) with packing ring (143), described spring (142) one ends and described screw terminal (141) butt, the other end and described packing ring (143) butt, described packing ring (143) contacts with described the first friction plate (12).
The utility model has also proposed to comprise the diasonograph of above-mentioned slewing gear.
The beneficial effects of the utility model are: by above-mentioned slewing gear, slewing gear structure compared to disc format, manufacture and want simple a lot, it is also easier to assemble, and the convenient adjustment of the power value of frictional damping, can select according to concrete condition, so just increased flexibility ratio, reduced the manufacturing and assembly cost, feel was also fine when this structure was rotated at display device.
Description of drawings
Fig. 1 is an embodiment the slewing gear of a kind of device support device of the utility model and the position view of locking device;
Fig. 2 is an embodiment's of a kind of device support device of the utility model slewing gear structural profile schematic representation;
Fig. 3 is an embodiment's of a kind of device support device of the utility model slewing gear damping portion profile;
Fig. 4 is an embodiment's of a kind of device support device of the utility model locking structure explosive view;
Locking structure and slewing gear generalized section when Fig. 5 is the unblanking an of embodiment of a kind of device support device of the utility model;
Locking structure and slewing gear generalized section when Fig. 6 is an embodiment the locking of a kind of device support device of the utility model;
Fig. 7 is an embodiment's of a kind of device support device of the utility model slewing gear and locking structure explosive view thereof;
Fig. 8 is an embodiment's of a kind of device support device of the utility model slewing gear and locking structure assembling schematic representation thereof.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail below by embodiment.
Among the utility model embodiment, slewing gear and locking device thereof the position on the display device supporting structure as shown in Figure 1; The slewing gear section of structure as shown in Figure 2; Slewing gear damping portion profile as shown in Figure 3; The locking device explosive view as shown in Figure 4; Locking device and slewing gear section are as shown in Figure 5 when unblanking; Locking device and slewing gear section are as shown in Figure 6 during locking; Slewing gear and locking device explosive view thereof are as shown in Figure 7; Slewing gear and locking device assembling thereof are as shown in Figure 8.
Below in conjunction with each description of drawings embodiment of the present utility model.
The working principle of locking device and assembling mode:
As shown in the figure, connecting base 31 is arranged in base 11, and can in described base 11, rotate, described sleeve pipe 24 is fixed on the base 11, described sleeve pipe 24 has the outside and inboard, described sleeve pipe 24 inboard be sleeve pipe 24 towards a side of connecting base 31, described sleeve pipe 24 outsides are the reverse side of sleeve pipe 24 and connecting base 31, described sleeve pipe 24 has perforate, and described latch 21 passes the perforate of sleeve pipe 24; The end that described latch 21 is positioned at sleeve pipe 24 lateral direction has the connecting end that is connected with group hand 25, and described latch 21 is connected with group hand 25 by connecting end after passing sleeve pipe 24 perforates; Described latch 21 has pin hole 213, after described latch 21 passes sleeve pipe 24, pin 22 is installed when pin hole 213 is positioned at the outside of sleeve pipe 24.
Locking device 2 mainly contains the parts such as latch 21, pin 22, stage clip 23, sleeve pipe 24, during assembling, stage clip 23 is enclosed within on the latch 21, the whole insertion in the sleeve pipe 24, then pin 22 interference are packed in the hinge last 213, this moment, spring 23 1 ends contacted with spring limited section 212, and the spring the other end contacts with sleeve pipe interior edge face 244, spring is in compressive state all the time, and latch can be done fore and aft motion in sleeve pipe.Dial hand 25 and be fastenedly connected by a screw 26 and latch connecting end, latch and then rotated when hand was dialled in rotation.
The end that described latch 21 is positioned at sleeve pipe 24 side directions has latch head 211, described connecting base 31 has the spacing hole 312 corresponding with latch head 211, when rotating position that described group of hand 25 make pin 22 in bottom-valley 243 time, described latch 21 heads go deep into the rotation of restriction connecting base in the spacing hole 312, when rotating position that described group of hand 25 make pin 22 in peak valley 242 time, described latch head 211 breaks away from spacing holes.
That is to say that when lock was opened, namely pin 22 was in peak valley 242 places of sleeve pipe 24, peak valley 242 two ends are some projection a little, this moment pin 22 lower that mediates, purpose is to jolt or when rocking machine, pin 22 243 places, bottom-valley that are not easy to slip, and can increase feel when rotating.
By above-mentioned locking device, dial hand and turn an angle and can be locked in a certain position to slewing gear, turn an angle again, slewing gear can freely rotate, and locking device is simple and reliable, very convenient use and transportation.
Further, base can also comprise restraining groove 313 in the above-described embodiments, as shown in the figure, spacing hole 312 is arranged in restraining groove 313, and when pin 22 was arranged in peak valley 242, latch head 211 was in the restraining groove 313, when display device drives the rotation of slewing gear base, rotation was locked when the first end face 3131 of latch head and restraining groove 313 and the second end face 3132 (not shown)s were run into, so that is to say, restraining groove can make pin move between two end faces.When dialling the rotation of hand-motion latch; pin 22 slides into the bottom-valley 243 of sleeve pipe along the smooth track that contacts with sleeve pipe; certainly pin also might be in a certain position on the smooth track 241; because latch is subjected to the thrust of spring always; when pin leaves peak valley; the latch end can contact with the internal surface of restraining groove 313 under the thrust of spring; until latch center and base spacing hole 312 are when approximate concentric; latch can insert rapidly in the spacing hole 312; slewing gear base 11 is limited and can't rotates at this moment, and the pin 22 of this moment is in 243 positions, bottom-valley of sleeve pipe.Dial hand be rotated further (among the figure clockwise the inverse time can, as required spacing one party to), 243 when sliding into peak valley 242 along smooth track 241, lock is in open mode to pin from the bottom-valley.
On the basis of spacing hole 312, further carry out the position by restraining groove 313 and limit, can satisfy the demand that in some situation slewing area is limited.
In the above-described embodiments, the described group of hand, latch, hinge last, pin, latch head other similar modes also can be arranged, for example dialling hand, latch, pin can be a part, be called the first part, at first the first part is passed sleeve pipe during installation, and the latch head can be another part, after aforesaid the first part passes sleeve pipe, and again mounting spring and latch head.
In the above-described embodiments, described spring limited section 212 be on the latch inboard diameter greater than the part of spring, the elastic force perpendicular direction of the face of this part and spring contact and spring 23; In fact, this spring limited section 212 also can be other modes, for example also can be that diameter is greater than the part of spring on the latch inboard, and the face of this part and spring contact is conical surface.
In the above-described embodiments, 312 contacted of described latch head 211 and spacing holes are illustrated take the plane as example, in fact, described latch head 211 also can be inclined-plane or the conical surface or other non-planar surface with spacing hole 312 contacted faces, is conducive to like this location with latch 21.
The utility model embodiment can also comprise slewing gear, and the working principle of slewing gear and assembling mode are:
This slewing gear comprises base 11, the first friction plate 12, connecting base 31, screw terminal 141, spring 142, packing ring 143, connecting base 31 is arranged in base 11, the internal surface of base 11 is connected with the outer surface of connecting base 31 by the first friction plate 12, connecting base 31 can rotate in base 11, screw terminal 141 is threaded in the perforate on the base 11, spring 142 is arranged in base 11, spring 142 1 ends and screw terminal 141 butts with packing ring 143, and the other end contacts with the first friction plate 12 with packing ring 143 butts, packing ring 143.Screw terminal 141 can make it produce deformation by pressuring spring 142 in screwing process, and then the pressure of 142 pairs of packing rings 143 of increase spring, thereby the pressure that increases by 143 pairs of the first friction plates 12 of packing ring increases the frictional force between the first friction plate 12 and connecting base 31 outer surfaces.
Among the embodiment of the present utility model, as shown in Figure 1, support arm 3 support displays 4, support arm 3 and slewing gear 1 share a connecting base 31, trim 32 is enclosed within on the cylindrical of connecting base 31, the first friction plate 12 and the second friction plate 13 also are enclosed within on the cylindrical of connecting base 31, then insert in the slewing gear centre hole of base 112, and trim is clipped between the flange edge 124 of step surface 314 on the connecting base 31 and the first friction plate 12.Also can put the second friction plate 13 in the center hole of base 11 into first, reinstall the first friction plate 12 and insert connecting base 31, on the first friction plate 12 circumference jagged 123, can guarantee the circumference energy contraction deformation when being subjected to external force pressure of the first friction plate 12, pack tightly connecting base outer surface 311, thereby connecting base 31 can produce damping force when rotating, and the second friction plate 13 circumference are jagged 133, and convenient the use installed.Because connecting base 31 equates with the wall thickness of the first friction plate 12 and the second friction plate 13 with the spacing of the center hole of slewing gear base 11 or is more bigger, such the first friction plate 12 and 13 pairs of connecting bases 31 of the second friction plate play certain supporting effect, when guaranteeing the display device rotation or being hit vibration, connecting base 31 can be connected with slewing gear base 11 reliable and concentric.Damp screw 14 screws with slewing gear base internal thread 111 by screw terminal 141 outside threads 1412, tool using inserts opening slot 1411 rotation screw heads 141, screw terminal compresses dish spring 142, dish spring 142 is passed to power on the packing ring 143, washer face 1431 pressing friction sheet outer surfaces 121, make friction plate internal surface 122 hold connecting base 31 tightly and produce damping, damp screw head 141 adopts floating connection with packing ring 143, be that screw terminal and packing ring can relatively rotate and can link together, when screw terminal 141 screws by outside thread 1412, packing ring 143 is owing to and then rotated by the reaction force of the first friction plate 12, but to the direction translational that compresses the first friction plate 12.This slewing gear is simple in structure, and the power value is not easy decay, good hand touch when display device rotates.
By above-mentioned slewing gear, manufacture simple a lot compared to the slewing gear structure of disc format, also easily assembling, and the convenient adjustment of the power value of frictional damping, can select according to concrete condition, so just increased flexibility ratio, reduced the manufacturing and assembly cost, feel was also fine when this structure was rotated at display device.Further, adopt the metal stamper spring as spring, the tension force that the metal stamper spring produces acts on and produces damping on the friction plate, and the size of damping (torque) can adjust accordingly according to the occasion of using, the dish spring is compressed with larger amount of deformation, even friction plate has mild wear, the tension force that produces after the compression of dish spring can not change substantially, and the damping force value is not easy decay like this.There is not the risk of power value decay in metal stamper spring good stability, is difficult to lose efficacy even use for a long time yet, has solved well the problem of in the past in use for some time damping force value decay of form of sleeve slewing gear.
In other embodiments, also can not comprise packing ring; In addition, also can to change into be spring or gas spring to described dish spring.
Above content is in conjunction with concrete mode of execution further detailed description of the utility model, can not assert that implementation of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (6)
1. slewing gear, it is characterized in that, comprise: base (11), the first friction plate (12), connecting base (31), screw terminal (141), spring (142), packing ring (143), described connecting base (31) is arranged in base (11), the internal surface of described base (11) is connected with the outer surface of connecting base (31) by the first friction plate (12), described connecting base (31) can rotate in base (11), described screw terminal (141) is threaded in the perforate on the base (11), described spring (142) is arranged in base (11) with packing ring (143), described spring (142) one ends and described screw terminal (141) butt, the other end and described packing ring (143) butt, described packing ring (143) contacts with described the first friction plate (12).
2. slewing gear as claimed in claim 1, it is characterized in that: described spring (142) is the dish spring.
3. slewing gear as claimed in claim 1, it is characterized in that: the circumference of described the first friction plate (12) is provided with breach (123).
4. slewing gear as claimed in claim 1, it is characterized in that: also comprise the second friction plate (13), described the second friction plate (13) is enclosed within on the cylindrical of described connecting base (31).
5. slewing gear as claimed in claim 4, it is characterized in that: described the second friction plate (13) is provided with breach (133).
6. a diasonograph is characterized in that: comprise such as the described slewing gear of any one in the claim 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220386318 CN202791195U (en) | 2011-09-27 | 2011-09-27 | Rotating device and diasonograph thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220386318 CN202791195U (en) | 2011-09-27 | 2011-09-27 | Rotating device and diasonograph thereof |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203733190U Division CN202419054U (en) | 2011-09-27 | 2011-09-27 | Equipment supporting device and ultrasonic diagnostic apparatus thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202791195U true CN202791195U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220386318 Expired - Lifetime CN202791195U (en) | 2011-09-27 | 2011-09-27 | Rotating device and diasonograph thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202791195U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559548A (en) * | 2017-09-27 | 2018-01-09 | 泰州市创新电子有限公司 | A kind of lifting support |
| CN110145659A (en) * | 2019-05-05 | 2019-08-20 | 佛山科学技术学院 | A kind of constructional engineering level |
-
2011
- 2011-09-27 CN CN 201220386318 patent/CN202791195U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559548A (en) * | 2017-09-27 | 2018-01-09 | 泰州市创新电子有限公司 | A kind of lifting support |
| CN110145659A (en) * | 2019-05-05 | 2019-08-20 | 佛山科学技术学院 | A kind of constructional engineering level |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |
|
| CX01 | Expiry of patent term | ||
| DD01 | Delivery of document by public notice |
Addressee: Zhu Bin Document name: Notice of expiration and termination of patent right |
|
| DD01 | Delivery of document by public notice |