CN219655181U - Transmission device - Google Patents
Transmission device Download PDFInfo
- Publication number
- CN219655181U CN219655181U CN202321385610.9U CN202321385610U CN219655181U CN 219655181 U CN219655181 U CN 219655181U CN 202321385610 U CN202321385610 U CN 202321385610U CN 219655181 U CN219655181 U CN 219655181U
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- Prior art keywords
- transmission
- mounting member
- opening
- hole
- installed part
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 151
- 238000009434 installation Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Transmission Devices (AREA)
Abstract
The utility model provides a transmission device which comprises a transmission rod, transmission parts and installation parts, wherein the installation parts are coaxially arranged on the transmission rod, a plurality of transmission parts are respectively fixed on the installation parts, and the transmission parts are respectively and alternately arranged on the installation parts along respective transmission directions. In the technical scheme, when the transmission rod drives the mounting part to rotate, a plurality of transmission parts fixed on the mounting part are simultaneously pulled to move along respective transmission directions, so that the number of parts is reduced, the connection relation of the transmission device is simpler, and the transmission stability is good; simultaneously, set up a plurality of driving medium respectively on this installed part along respective transmission direction in turn for this installed part atress is even, is difficult for leading to wearing and tearing because of local atress.
Description
Technical Field
The utility model relates to the field of medical instruments, in particular to a transmission device.
Background
In the prior art, when the transmission rod is driven to rotate and drive a plurality of transmission wires to link through pedals on the medical instrument, a plurality of installation pieces capable of synchronously rotating are sleeved on the transmission rod, one transmission wire is respectively wound and fixed on each installation piece, when the transmission rod rotates, the installation pieces are driven to rotate together so as to simultaneously pull the plurality of transmission wires to drive, the transmission structure has the advantages of more parts, complex connection relationship, poor transmission stability and uneven stress of the transmission rod, and the transmission rod is easy to wear due to local stress in the long-term use process.
Disclosure of Invention
The utility model aims to overcome the defects that the prior art is complex in structure, poor in transmission stability, uneven in stress of a transmission rod and easy to wear due to local stress in the long-term use process.
The utility model solves the technical problems by the following technical scheme:
the utility model provides a transmission, its includes transfer line, driving medium and installed part, the installed part coaxial set up in on the transfer line, a plurality of the driving medium is fixed in respectively on the installed part, and a plurality of the driving medium respectively along respective transmission direction set up alternately on the installed part.
In the technical scheme, when the transmission rod drives the mounting part to rotate, a plurality of transmission parts fixed on the mounting part are simultaneously pulled to move along respective transmission directions, so that the number of parts is reduced, the connection relation of the transmission device is simpler, and the transmission stability is good; simultaneously, set up a plurality of driving medium respectively on this installed part along respective transmission direction in turn for this installed part atress is even, is difficult for leading to wearing and tearing because of local atress.
Preferably, the surface of the mounting member is provided with grooves, each groove is arranged in parallel along the direction perpendicular to the axial direction of the mounting member, and each transmission member is respectively fixed in the corresponding groove.
In this technical scheme, through set up the recess at the surface of installed part, each recess is along the axial direction parallel arrangement of perpendicular to installed part, each driving medium is fixed in respectively corresponding in the recess, can make each driving medium parallel fixation and inlay in the recess on the installed part, be difficult for taking place relative slip with the surface of installed part, further promote this transmission's transmission stability.
Preferably, the grooves are arranged equidistantly.
In this technical scheme, through setting up each recess into equidistant range, can make the pulling force of the alternately set up that this installed part itself received more even, be difficult for leading to wearing and tearing because of local atress.
Preferably, the corner of the groove and the surface of the mounting piece is provided with a round angle.
In this technical scheme, through setting up the corner position department on recess and mounting surface into the fillet, can prevent at the in-process of driving medium installation, the edges and corners of mounting causes the injury to the installer.
Preferably, a first through hole for installing the transmission rod is formed in the installation piece along the axial direction, the section shape of the first through hole corresponds to that of the transmission rod, and the transmission rod and the installation piece cannot slide along the extending direction of the transmission rod.
In this technical scheme, through set up the first through-hole that supplies the transfer line installation along the axial on the installed part, the cross-sectional shape of first through-hole corresponds with the cross-sectional shape of transfer line, and the transfer line can't slide along the extending direction of transfer line with the installed part, can reach the rotatory effect of utilizing the transfer line drive installed part with succinct structure relatively.
Preferably, the section shape of the transmission rod is regular hexagon.
In this technical scheme, through setting the cross-sectional shape of transfer line to regular hexagon, make the cross-sectional shape of first through-hole also set to regular hexagon with it corresponds, can reach the effect that avoids transfer line and first through-hole's surface to take place relative slip with succinct structure relatively, further promote this transmission's transmission stability.
Preferably, the mounting member is provided with a second through hole, the second through hole extends inwards from the surface of the mounting member to the surface of the first through hole, and the transmission device further comprises a set screw which is in threaded connection with the second through hole and abuts against the surface of the transmission rod.
In this technical scheme, through set up the second through-hole on the installed part, the second through-hole inwards extends to first through-hole surface from the surface of installed part, and transmission still includes holding screw, holding screw threaded connection in the second through-hole and butt in the surface of transfer line, can reach the effect that avoids transfer line and first through-hole's surface to take place relative slip with succinct structure relatively, further promotes this transmission's transmission stability.
Preferably, the transmission device further comprises a fixing piece, a first opening and a second opening which are mutually communicated are formed in the mounting piece, the first opening is located on the transmission surface of the mounting piece, the two transmission pieces penetrate out of the first opening through the second opening and extend in the same direction along two sides of the mounting piece respectively, the size of the second opening is smaller than that of the fixing piece, and the fixing piece is located outside the second opening.
In this technical scheme, through setting up transmission to still including the mounting, be equipped with first opening and the second opening of mutual intercommunication on the installed part, first opening is located the driving surface of installed part, two driving pieces all wear out from first opening through the second opening to extend along the both sides syntropy of installed part respectively, the size of second open-ended is less than the size of mounting, the installed part is located the second opening outside, can fix the driving piece on the driving surface of installed part with succinct structure relatively, further promotes this transmission's transmission stability.
Preferably, the surface of the mounting member is provided with grooves, each groove is arranged in parallel along the axial direction perpendicular to the mounting member, and the first opening is positioned in the groove.
In this technical scheme, through set up the recess at the surface of installed part, each recess sets up to be located the recess along the axial direction parallel arrangement of perpendicular to installed part, first opening, can make each driving medium inlay in the recess on the installed part, be difficult for taking place relative slip with the surface of installed part, further promote this transmission's transmission stability.
Preferably, each of the first openings is provided on alternate opposite sides in the axial direction of the mount, respectively.
In this technical scheme, through setting up each first opening respectively along the axial of installed part contralateral in turn, can make the pulling force of the transmission spare of the alternative setting that this installed part received by oneself more even, be difficult for leading to wearing and tearing because of local atress.
The utility model has the positive progress effects that:
by using the transmission device, when the transmission rod drives the installation piece to rotate, a plurality of transmission pieces fixed on the same installation piece are simultaneously pulled to move along respective transmission directions, so that the transmission structure parts are fewer, the connection relationship is simple, and the transmission stability is good; the plurality of transmission parts are alternately arranged on the same installation part along respective transmission directions, so that the installation part is uniformly stressed and is not easy to wear due to local stress.
Drawings
Fig. 1 is a schematic structural diagram of a transmission device according to an embodiment of the utility model.
Fig. 2 is an exploded view of a transmission device according to an embodiment of the utility model.
Fig. 3 is a partial cross-sectional view of a transmission of an embodiment of the present utility model at a mounting member.
Fig. 4 is a cross-sectional view of a transmission of an embodiment of the present utility model at a mounting member.
Reference numerals illustrate:
transmission rod 1
Transmission wire 2
Mounting 3
Groove 31
First through hole 32
Second through hole 33
First opening 34
Second opening 35
Set screw 4
Fixing piece 5
Pedal 6
Mounting seat 7
Detailed Description
The present utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments are shown.
As shown in fig. 1-2, the present embodiment provides a transmission device including a transmission rod 1, transmission wires 2, and a mounting member 3, the mounting member 3 being coaxially disposed on the transmission rod 1, and four transmission wires 2 being simultaneously fixed on the mounting member 3. As shown in fig. 1, with reference to the transmission direction a of the transmission wires 2, four transmission wires 2 are arranged on the mounting member 3 in a left-right alternating sequence, and the mounting member 3 is driven to turn over by the transmission rod 1 so as to further drive the four transmission wires 2 to synchronously move.
As shown in fig. 2, a driving structure capable of driving the driving rod 1 to rotate, in this embodiment, a pedal structure, is mounted at the end of the driving rod 1. When a user steps on two ends of the pedal 6, the transmission rod 1 drives the mounting piece 3 to synchronously rotate under the leverage, and simultaneously drives the four transmission wires 2 to synchronously move along the respective transmission directions A. According to the structural arrangement scheme, the number of parts required by transmission is reduced, so that the connection relation of the transmission device is simpler, and the transmission stability is good; simultaneously, set up four transmission silk 2 respectively along respective transmission direction A on this installed part 3 in turn for this installed part 3 self atress is even, is difficult for leading to local wearing and tearing because of local atress, makes the user more smooth and easy when trampling footboard 6.
Of course, in other embodiments, other numbers of driving wires 2 may be provided on the mounting member 3, and the purpose of balancing the forces is achieved by alternately arranging the driving wires 2 on the mounting member 3. In addition, in other embodiments, other driving members capable of achieving the driving purpose and having flexibility, such as a conveyor belt or the like, may be arranged on the mounting member 3 to achieve the driving purpose as well.
In this embodiment, as shown in fig. 1 and 2, the surface of the mounting member 3 is provided with grooves 31, and four grooves 31 are arranged in parallel along the direction perpendicular to the axial direction B of the mounting member 3, and the transmission wires 2 are respectively fixed in the corresponding grooves 31, so as to achieve reliable connection with respect to the mounting member 3.
By means of the structure, the transmission wires 2 are fixed on the mounting piece 3 in parallel and embedded in the groove 31, and are not easy to slide relative to the surface of the mounting piece 3, so that the transmission stability of the transmission device is further improved. Of course, in other embodiments, other positioning structures may be disposed on the mounting member 3, so that each driving wire 2 is not easy to slide relative to the surface of the mounting member 3.
In this embodiment, as shown in fig. 1, the intervals L between the grooves 31 are the same, and four grooves 31 are equidistantly arranged on the surface of the mount 3.
Thus, by arranging the four grooves 31 in an equidistant arrangement, the tensile force of the alternately arranged transmission wires 2 received by the mounting piece 3 is more uniform, and the wear is not easily caused by local stress. Of course, in other embodiments, the arrangement of the grooves 31 may also be arranged in such a way that the tension experienced by the mounting 3 itself is more uniform.
Preferably, as shown in fig. 2, rounded corners are provided at the corner positions of the groove 31 and the surface of the mounting member 3, so as to prevent the driving wire 2 from being scratched by the corners of the mounting member 3 when entering and exiting the groove 31 during the driving process of the driving wire 2 relative to the mounting member 3.
In this embodiment, the mounting member 3 is provided with the first through hole 32 for mounting the transmission rod 1 along the axial direction B, the cross section of the first through hole 32 corresponds to the cross section of the transmission rod 1, and is a regular hexagon, the transmission rod 1 and the mounting member 3 cannot rotate along the extending direction of the transmission rod 1, and the cross section of the transmission rod 1 is also a regular hexagon, so that the purpose of avoiding reliable connection between the transmission rod 1 and the mounting member 3 is achieved through a relatively simple matching structure, and the transmission stability of the transmission device is further improved. Of course, in other embodiments, the cross section of the transmission rod 1 and the cross section of the first through hole 32 may be configured in other shapes that avoid the relative rotation of the surfaces of the transmission rod 1 and the first through hole 32, such as various other polygonal cross sections that have been machined, including octagons.
In this embodiment, the mounting member 3 is provided with a second through hole 33, the second through hole 33 extends inwards from the surface of the mounting member 3 to the surface of the first through hole 32, and the transmission device further includes a set screw 4, where the set screw 4 is in threaded connection with the second through hole 33 and abuts against the surface of the transmission rod 1.
Like this, through setting up second through-hole 33 on mounting 3, second through-hole 33 inwards extends to first through-hole 32 surface from the surface of mounting 3, and transmission still includes holding screw 4, and holding screw 4 threaded connection is in second through-hole 33 and butt in the surface of transfer line 1, can reach the effect that avoids transfer line 1 and the surface of first through-hole 32 to take place relative slip with succinct structure relatively, further promotes this transmission's transmission stability. Of course, in other embodiments, other locking structures as known in the art may be provided on the mounting member 3 to prevent relative sliding of the surfaces of the drive rod 1 and the first through hole 32.
As shown in fig. 2, the transmission rod 1 is mounted by the mounting base 7 having a bearing after being protruded from both ends of the mounting member 3 through the first through hole 32 provided in the mounting member 3, so as to ensure smooth rotation of the transmission rod 1.
As shown in fig. 3 and 4, in this embodiment, the transmission device further includes a fixing member 5, and after the transmission wire 2 passes around a driven wheel (not shown) at a distance, both ends 2a of the transmission wire 2 are reliably fixed to the mounting member 3 at the same time by the fixing member 5. Specifically, the mounting member 3 is provided with a first opening 34 and a second opening 35 which are mutually communicated, the first opening 34 and the second opening 35 are both positioned on the transmission surface of the mounting member 3, the transmission wire 2 enters through the second opening 35 and then passes out of the first opening 34 and respectively extends along the two sides of the mounting member 3 in the same direction, and the size of the second opening 35 is smaller than that of the fixing member 5, so that the fixing member 5 and two ends 2a of the transmission wire 2 are limited outside the second opening 35.
In this way, the fixing piece 5 is arranged to fix the two ends 2a of the transmission wire 2, and the fixing piece 5 is limited outside the second opening 35 by utilizing the second opening 35, so that the transmission wire 2 is fixed on the transmission surface of the mounting piece 3 through a relatively simple structure, and the transmission stability of the transmission device is further improved. In this embodiment, the fixing member 5 is an aluminum ring, and is sleeved at the positions of the two ends 2a of the transmission wire 2, and is pressed and deformed to achieve reliable connection and fixation with the two ends 2a of the transmission wire 2.
In this embodiment, the grooves 31 on the surface of the mounting member 3 are all disposed in parallel along the direction perpendicular to the axial direction B of the mounting member 3, the four grooves 31 are disposed in parallel along the direction perpendicular to the axial direction B of the mounting member 3, and the first openings 34 are respectively disposed in the four grooves 31, so that the transmission wires 2 are embedded in the grooves 31 after extending out from the first openings 34, and thus, the transmission wires are not easy to slide relatively with the surface of the mounting member 3, and the transmission stability of the transmission device is further improved. Of course, in other embodiments, the surface of the mounting member 3 may be provided with other structures that make each driving wire 2 unlikely to slide relative to the surface of the mounting member 3. Further, as shown in fig. 3, these first openings 34 are respectively provided alternately on opposite sides in the axial direction B of the mount 3. In this way, the tension of the alternately arranged transmission wires 2 born by the mounting piece 3 is more uniform, and the wear is not easy to be caused by local stress.
While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the utility model, but such changes and modifications fall within the scope of the utility model.
Claims (10)
1. The utility model provides a transmission, its includes transfer line, driving medium and installed part, the installed part coaxial set up in on the transfer line, its characterized in that, a plurality of the driving medium is fixed in respectively on the installed part, and a plurality of the driving medium respectively along respective transmission direction set up alternately on the installed part.
2. The transmission device according to claim 1, wherein the surface of the mounting member is provided with grooves, each of the grooves is arranged in parallel in an axial direction perpendicular to the mounting member, and each of the transmission members is respectively fixed in the corresponding groove.
3. The transmission of claim 2, wherein each of said grooves is equally spaced.
4. The transmission of claim 2, wherein the recess is radiused at a corner of the mounting surface.
5. The transmission device according to claim 1, wherein the mounting member is provided with a first through hole in which the transmission rod is mounted in the axial direction, the first through hole has a cross-sectional shape corresponding to that of the transmission rod, and the transmission rod and the mounting member are prevented from rotating in the extending direction of the transmission rod.
6. The transmission of claim 5, wherein the transmission rod has a regular hexagonal cross-sectional shape.
7. The transmission of claim 5, wherein the mounting member has a second through hole extending inwardly from the surface of the mounting member to the surface of the first through hole, and further comprising a set screw threadedly coupled to the second through hole and abutting the surface of the drive rod.
8. The transmission device according to claim 1, further comprising a fixing member, wherein the mounting member is provided with a first opening and a second opening which are mutually communicated, the first opening is located on a transmission surface of the mounting member, two transmission members pass through the second opening from the first opening and extend in the same direction along two sides of the mounting member respectively, the size of the second opening is smaller than that of the fixing member, and the fixing member is located outside the second opening.
9. The transmission of claim 8, wherein the surface of the mounting member is provided with grooves, each of the grooves being disposed in parallel in a direction perpendicular to the axial direction of the mounting member, the first opening being located in the groove.
10. The transmission of claim 8, wherein each of the first openings is disposed on alternating opposite sides of the mounting member in the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321385610.9U CN219655181U (en) | 2023-06-01 | 2023-06-01 | Transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321385610.9U CN219655181U (en) | 2023-06-01 | 2023-06-01 | Transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219655181U true CN219655181U (en) | 2023-09-08 |
Family
ID=87861385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321385610.9U Active CN219655181U (en) | 2023-06-01 | 2023-06-01 | Transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219655181U (en) |
-
2023
- 2023-06-01 CN CN202321385610.9U patent/CN219655181U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |