CN210433155U - Extension transmission assembly of automatic sofa iron frame - Google Patents
Extension transmission assembly of automatic sofa iron frame Download PDFInfo
- Publication number
- CN210433155U CN210433155U CN201921046681.XU CN201921046681U CN210433155U CN 210433155 U CN210433155 U CN 210433155U CN 201921046681 U CN201921046681 U CN 201921046681U CN 210433155 U CN210433155 U CN 210433155U
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- extension
- push rod
- connecting piece
- assembly
- rod motor
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 32
- 230000005540 biological transmission Effects 0.000 title claims description 14
- 235000000396 iron Nutrition 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides an automatic extension drive assembly of sofa iron stand, sofa iron stand include fixed part and extension portion, and extension portion is collapsible ground riveting on the fixed part, and extension drive assembly includes first connecting piece, push rod motor and second connecting piece, first connecting piece is the trough-shaped connecting rod, first connecting piece includes relative first stiff end and first riveting end. The utility model has the advantages of simple structure, change the fixed mode of fixing the motor on the sofa iron stand commonly used at present, change and unsettled with the push rod motor for first connecting piece and second connecting piece can greatly lighten the burden of push rod motor as bearing member, increase the firm degree and the stability of extending drive assembly, prolong the utility model discloses a life.
Description
Technical Field
The utility model relates to an automatic extend sofa production field, especially relate to an automatic extension drive assembly of sofa iron stand.
Background
The sofa is the furniture that people often used in daily life, except ordinary domestic sofa, cinema sofa and massage sofa etc. can extend the back of the chair or can the automatic sofa market that can extend automatically with head extension fixture, foot extension fixture is equally huge, and the middle seat position of general automatic sofa is fixed, and when the user wanted to lie down, the switch was opened, and the extension subassembly of head and foot extended, automatic sofa opened.
Extension and retraction of the head and foot extension assemblies is now commonly accomplished by mounting a motorized telescoping bar mechanism and a plurality of linkage arrangements beneath the seat portion. When the motor telescopic rod is extended, the motor telescopic rod can incline upwards due to the structure of the sofa, and the angle of the motor is changed. In order to fix the motor and ensure that the motor can move, the motor is fixed by the motor fixing device at present, two ends of the motor fixing device are rotatably fixed on an iron frame below a sofa seat, so that the motor can swing back and forth together with the motor fixing device when stretching out and drawing back, but the structure mainly depends on the connection part of the motor for supporting, the motor stretches out and draws back when bearing large pressure for a long time, and the stability of the structure is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an extension transmission component of an automatic sofa iron frame.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an extension transmission assembly of an automatic sofa iron frame comprises a fixing part and an extension part, wherein the fixing part is a main body of the sofa iron frame, the fixing part and the extension part are both of folding telescopic structures, the extension part is foldably riveted on the fixing part, the extension transmission assembly comprises a first connecting piece, a push rod motor and a second connecting piece, the first connecting piece is a groove-shaped connecting rod, the first connecting piece comprises a first fixing end and a first riveting end, the first fixing end is fixed on the fixing part, and the first riveting end is riveted with the push rod motor; the push rod of the push rod motor is inserted into the groove of the first connecting piece and riveted at the first riveting end, one end of the push rod motor, which is far away from the push rod, is connected with the second connecting piece, the second connecting piece is the same as the first connecting piece in structure, the second connecting piece comprises a second fixed end and a second riveting end which are opposite, one end of the push rod motor, which is far away from the push rod, is inserted into the groove of the second connecting piece and riveted at the second riveting end, and the second fixed end is fixed on the extending part.
Preferably, the first connecting piece comprises two parallel arc-shaped clamping plates, first fixed ends of the two arc-shaped clamping plates are locked on the fixed part through a locking block, and a push rod of the push rod motor is positioned between the two parallel arc-shaped clamping plates at the first riveting end; the second connecting piece is the same as the first connecting piece in structure, and the second connecting piece is locked on the extending part through the locking block.
Preferably, the first connecting member is welded to the fixing portion or screwed to the fixing portion, and the second connecting member is welded to the extending portion or screwed to the extending portion.
Preferably, the locking block is a fixing rod with a polygonal section.
Preferably, the circle center of the first connecting piece is located on one side where the push rod motor is located, and the circle center of the second connecting piece is located on one side where the push rod motor is located
Preferably, the first connecting piece, the push rod motor and the second connecting piece are all located on the same plane.
Preferably, the extension part comprises a primary extension component and a secondary extension component, the secondary extension component is riveted at one end of the fixing part, and the primary extension component is riveted at one end of the secondary extension component far away from the fixing part.
Preferably, the first-stage extension assembly, the second-stage extension assembly and the fixing portion are formed by riveting connecting rods, and two adjacent connecting rods rotate around the riveting point.
Preferably, the second fixed end of the second connecting member is fixed to a connecting rod that connects the primary stretching member and the secondary stretching member.
Compared with the prior art, the beneficial effects of the utility model are that:
the beneficial effects of the utility model are that, the extension drive assembly of automatic sofa iron stand be used for driving extension portion to expand or contract back, enlarge the area of sofa, convenient to use personnel leans on or crouches and lies. The extension transmission assembly comprises a first connecting piece, a push rod motor and a second connecting piece, the first connecting piece is fixed on the fixing portion, the second connecting piece is fixed on the extension portion, a push rod of the push rod motor is riveted on the first connecting piece, the other end of the push rod motor is riveted on the second connecting piece, and the extension portion is opened through extension of the push rod motor. The utility model has the advantages of simple structure, change the fixed mode of fixing the motor on the sofa iron stand commonly used at present, change and unsettled with the push rod motor for first connecting piece and second connecting piece can greatly lighten the burden of push rod motor as bearing member, increase the firm degree and the stability of extending drive assembly, prolong the utility model discloses a life.
Drawings
FIG. 1 is a schematic view of the deployment of an extension drive assembly of an automatic sofa iron stand;
FIG. 2 is a fully expanded configuration of the extension drive assembly of an automatic sofa iron stand;
fig. 3 is a schematic view of a folding structure of an extension transmission assembly of an automatic sofa iron stand.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
Please refer to fig. 1, fig. 2 and fig. 3 in combination, the utility model provides an extension transmission assembly of automatic sofa iron stand, sofa iron stand includes fixed part 4 and extension portion 5, fixed part 4 is the main part of sofa iron stand, is the seat part, extension portion 5 can be that the head extends the back or the foot extends the footboard, fixed part 4 and extension portion 5 are folding extending structure, extension portion 5 is collapsible riveted on fixed part 4, extension transmission assembly includes first connecting piece 1, push rod motor 3 and second connecting piece 2, first connecting piece 1 is the trough-shaped connecting rod, first connecting piece 1 includes relative first stiff end 11 and first riveting end 12, first stiff end 11 is fixed on fixed part 4, first stiff end 11 can not rotate on fixed part 4, can be through welding, mode such as screw connection is fixed. The first riveting end 12 is riveted with the push rod motor 3; the push rod of the push rod motor 3 is inserted into the groove of the first connecting piece 1 and riveted at the first riveting end 12, the first connecting piece 1 is groove-shaped, the push rod of the push rod motor 3 is inserted into the groove of the first connecting piece 1, through holes are formed in two sides of the groove and penetrate through the push rod of the push rod motor 3 to be riveted, and therefore the push rod motor 3 can rotate around the rivet at the first riveting end 12, and the two ends of the push rod motor can be blocked by groove walls and cannot fall off. One end of the push rod motor 3, which is far away from the push rod, is connected with the second connecting piece 2, the second connecting piece 2 has the same structure as the first connecting piece 1, the second connecting piece 2 comprises a second fixed end 21 and a second riveting end 22 which are opposite, one end of the push rod motor 3, which is far away from the push rod, is inserted into a groove of the second connecting piece 2 and is riveted at the second riveting end 22, and the second fixed end 21 is fixed on the extension part 5; similarly, the second riveting end 22 has the same structure as the first riveting end 12, a fixing seat is arranged at one end of the push rod motor, which is far away from the push rod, a through hole is formed in the fixing seat, the fixing seat is inserted into a groove at the second riveting end 22, the rivet penetrates through the second riveting end 22 and the through hole in the fixing seat to rivet the second riveting end 22, and thus the push rod motor 3 can rotate around the rivet at the second riveting end 22.
When the stretching part 5 needs to be unfolded, the push rod motor 3 is started, because the first fixed end 11 of the first connecting piece 1 is fixed on the fixed part 4 and can not rotate, therefore, when the push rod of the push rod motor 3 extends, the push rod motor 3 extends backwards against the riveting end of the first connecting piece 1, the first riveting end 12 is kept still, along with the extension of the push rod, one end of the push rod motor 3, which is far away from the push rod, moves backwards and upwards, the whole sofa iron frame starts to extend, the extension part 5 extends towards the direction of the movement of the push rod, since the second fixed end 21 of the second connecting member 2 is fixedly connected to the extending portion 5, while the extending portion 5 is unfolded in the direction of the movement of the push rod, the second fixing end 21 of the second connecting member 2 is driven to rotate backwards and upwards until the second fixing end 21 rotates until the second riveting end 22 abuts against the push rod motor 3 and cannot rotate, and the extension part 5 is completely extended.
The utility model discloses give up the fixed method of fixing push rod motor 3 in fixed part 4 below commonly used, it is unsettled with push rod motor 3, connect on fixed part 4 and extension 5 through first connecting piece 1 and second connecting piece 2 respectively at push rod motor 3 both ends, first connecting piece 1 and second connecting piece 2 are as bearing member, can possess better bearing capacity than the fixed method of fixed push rod motor 3, the unsettled connection of push rod motor 3 is central at two connecting pieces, the telescopic link is flexible lighter, extension 5 extends more nimble. The utility model discloses the structure is very simple, and production is convenient and low in production cost, easily mass production.
In an embodiment, the first connecting member 1 includes two parallel arc-shaped clamping plates 13, the first fixing ends 11 of the two arc-shaped clamping plates 13 are locked on the fixing portion 4 through the locking block 14, and the push rod of the push rod motor 3 is located between the two parallel arc-shaped clamping plates 13 at the first riveting end 12; the second connecting member 2 has the same structure as the first connecting member 1, and the second connecting member 2 is locked on the extending portion 5 by the locking block 14. The first connecting piece 1 and the second connecting piece 2 are arc-shaped and arc-shaped structures, and height differences can be generated between the first fixed end 11 and the first riveting end 12 and between the second fixed end 21 and the second riveting end 22, so that the push rod of the push rod motor 3 is not in contact with the first fixed end 11, and the telescopic motion of the push rod cannot be influenced. Because the push rod is when extending, the push rod supports and leans on first riveting end 12 application of force, and the one end of keeping away from the push rod of push rod motor 3 supports and leans on second riveting end 22 application of force, and circular-arc first connecting piece 1 and second connecting piece 2 atress are littleer, and bearing capacity is stronger, the reinforcing the utility model discloses a firm degree. The first connecting member 1 may be welded to the fixing portion 4 or screwed to the fixing portion 4, and the second connecting member 2 may be welded to the extension portion 5 or screwed to the extension portion 5. Further, the locking block 14 is a fixing rod with a polygonal cross section, the polygonal fixing rod passes through the first fixing end 11 to fix the first connecting member 1 on the fixing portion 4, and the first fixing end 11 needs to be kept fixed, so that the polygonal fixing rod is less prone to rotating and falling compared with a circular fixing rod, and is more solid in fixing. The circle center of the first connecting piece 1 is located on one side where the push rod motor 3 is located, and the circle center of the second connecting piece 2 is located on one side where the push rod motor 3 is located, so that when the push rod of the push rod motor 3 extends, the second connecting piece 2 can be guaranteed to extend in a rotating mode towards a required direction.
Preferably, the first connecting member 1, the push rod motor 3 and the second connecting member 2 are located on the same plane, so that the push rod motor 3 can apply force more conveniently to extend the extending portion 5 more easily.
In one embodiment, the extension portion 5 includes a primary extension element 51 and a secondary extension element 52, the secondary extension element 52 is riveted to one end of the fixing portion 4, and the primary extension element 51 is riveted to one end of the secondary extension element 52 away from the fixing portion 4. The primary stretching assembly 51, the secondary stretching assembly 52 and the fixing part 4 are riveted by connecting rods, and two adjacent connecting rods rotate around the riveting point. The second fixed end 21 of the second link 2 is fixed to a connection rod which connects the primary stretching assembly 51 and the secondary stretching assembly 52.
The automatic sofa iron stand is generally divided into the left and right parts with the same and symmetrical structure, namely the bilateral symmetry at the armrests on the two sides, and needs to be connected through the middle connecting rod mechanism, the utility model discloses can install at the positive center of middle connecting rod mechanism, can launch extension portion 5 more steadily like this, the atress is more balanced. The fixing part 4 is the seat part of the sofa main body and is of a foldable telescopic structure, the extending part 5 can be an extending backrest of the head or an extending pedal of the foot, the fixing part and the extending part are formed by riveting telescopic rods with different shapes and sizes, and the connecting rods can rotate mutually in a riveted connection mode, so that the fixing part and the extending part can be folded and stretched. The two sides of the sofa iron frame are identical and symmetrical in structure, taking one side as an example, one side of the fixing part 4 is provided with a main connecting rod 60, a first connecting rod 61, a second connecting rod 62, a third connecting rod 63 and a fourth connecting rod 64, the first connecting rod 61, the second connecting rod 62, the third connecting rod 63 and the fourth connecting rod 64 are all riveted on the main connecting rod 60, the first connecting rod 61 can be the main connecting rod 60 at the upper part of the fixing part, the second connecting rod 62 can be the main connecting rod at the lower part of the fixing part 4, the third connecting rod 63 can be connected with the main connecting rod assembly of the extension part 5, and the fourth connecting rod 64 can be connected with the intermediate connecting rod mechanism. When the push rod of the push rod motor 3 extends, the second riveting end 22 abuts against the push rod motor 3 to extend towards the X direction, one end of the third connecting rod 63 is riveted on the main connecting rod 60, the other end of the third connecting rod is riveted on the extending part 5, one end of the extending part 5 moves towards the X direction to drive the extending part 5 to expand along the X direction, the second fixing end 21 of the second connecting piece 2 is fixed on one connecting rod of the extending part 5 and expands towards the X direction along with the connecting rod, the second connecting piece 2 rotates around the second riveting end 22 along the X direction along with the extension of the push rod motor 3 until the second riveting end abuts against the push rod motor 3 and cannot rotate continuously, and at this time, the primary extension assembly; the push rod of the push rod motor 3 moves continuously, at this time, the second connecting piece 2 drives the extending part 5 to move continuously along the X direction, the third connecting rod 63 moves along the X direction, the third connecting rod 63 is connected with the main connecting rod 50, the main connecting rod 60 moves along the X direction, the first connecting rod 61, the second connecting rod 62 and the fourth connecting rod 64 on the main connecting rod 60 move along with the same, when the push rod extends to the longest length, the secondary extending component 52 of the extending part 5 is completely extended, and the structure of the fixing part 4 is also completely opened and moves upwards integrally.
From above, the utility model discloses an automatic extension drive assembly of sofa iron stand is used for driving extension portion to expand or contract back, enlarges the area of sofa, and the person of being convenient for to use leans on or lies for sleeping in. The extension transmission assembly comprises a first connecting piece, a push rod motor and a second connecting piece, the first connecting piece is fixed on the fixing portion, the second connecting piece is fixed on the extension portion, a push rod of the push rod motor is riveted on the first connecting piece, the other end of the push rod motor is riveted on the second connecting piece, and the extension portion is opened through extension of the push rod motor. The utility model has the advantages of simple structure, change the fixed mode of fixing the motor on the sofa iron stand commonly used at present, change and unsettled with the push rod motor for first connecting piece and second connecting piece can greatly lighten the burden of push rod motor as bearing member, increase the firm degree and the stability of extending drive assembly, prolong the utility model discloses a life.
The present invention has been described in relation to the above embodiments, which are only examples for implementing the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, all changes and modifications which do not depart from the spirit and scope of the present invention are deemed to fall within the scope of the present invention.
Claims (9)
1. An extension transmission assembly of an automatic sofa iron frame comprises a fixing part and an extension part, wherein the fixing part is a main body of the sofa iron frame, the fixing part and the extension part are both of folding telescopic structures, and the extension part is foldably riveted on the fixing part; the push rod of the push rod motor is inserted into the groove of the first connecting piece and riveted at the first riveting end, one end of the push rod motor, which is far away from the push rod, is connected with the second connecting piece, the second connecting piece is the same as the first connecting piece in structure, the second connecting piece comprises a second fixed end and a second riveting end which are opposite, one end of the push rod motor, which is far away from the push rod, is inserted into the groove of the second connecting piece and riveted at the second riveting end, and the second fixed end is fixed on the extending part.
2. The extension driving assembly of automatic sofa iron stand according to claim 1, wherein the first connecting member comprises two parallel arc-shaped clamping plates, the first fixed ends of the two arc-shaped clamping plates are locked on the fixed portion through a locking block, and the push rod of the push rod motor is located between the two parallel arc-shaped clamping plates at the first riveting end; the second connecting piece is the same as the first connecting piece in structure, and the second connecting piece is locked on the extending part through the locking block.
3. The extension transmission assembly of an automatic sofa iron stand according to claim 2, wherein the first connecting member is welded or screwed to the fixing portion and the second connecting member is welded or screwed to the extension portion.
4. The extension drive assembly for automated sofa irons of claim 3, wherein said locking block is a fixed rod with a polygonal cross section.
5. The extension transmission assembly of an automatic sofa iron stand according to claim 2, wherein the center of the circle of the first connecting piece is located at the side where the push rod motor is located, and the center of the circle of the second connecting piece is located at the side where the push rod motor is located.
6. The extension drive assembly of an automated sofa iron stand of claim 1, wherein the first link, the push rod motor, and the second link are all located in the same plane.
7. The extension drive assembly of an automated sofa iron stand of claim 1, wherein the extension portion comprises a primary extension assembly and a secondary extension assembly, the secondary extension assembly being riveted to an end of the stationary portion, the primary extension assembly being riveted to an end of the secondary extension assembly distal from the stationary portion.
8. The extension transmission assembly of an automatic sofa iron stand according to claim 7, wherein the primary extension assembly, the secondary extension assembly and the fixing portion are riveted by connecting rods, and two adjacent connecting rods rotate around the riveting point.
9. The extension drive assembly of an automated sofa iron stand according to claim 8, wherein the second fixed end of the second link member is fixed to a connecting rod that interfaces the primary extension assembly and the secondary extension assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921046681.XU CN210433155U (en) | 2019-07-06 | 2019-07-06 | Extension transmission assembly of automatic sofa iron frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921046681.XU CN210433155U (en) | 2019-07-06 | 2019-07-06 | Extension transmission assembly of automatic sofa iron frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210433155U true CN210433155U (en) | 2020-05-01 |
Family
ID=70404917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921046681.XU Expired - Fee Related CN210433155U (en) | 2019-07-06 | 2019-07-06 | Extension transmission assembly of automatic sofa iron frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210433155U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110403390A (en) * | 2019-07-06 | 2019-11-05 | 泰州市瑞美机械有限公司 | A kind of stretching, extension transmission component of sofa with movable part brandreth |
-
2019
- 2019-07-06 CN CN201921046681.XU patent/CN210433155U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110403390A (en) * | 2019-07-06 | 2019-11-05 | 泰州市瑞美机械有限公司 | A kind of stretching, extension transmission component of sofa with movable part brandreth |
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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: 20200501 |