CN109737136B - Joint connector of push-pull folding table - Google Patents
Joint connector of push-pull folding table Download PDFInfo
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- CN109737136B CN109737136B CN201910147394.6A CN201910147394A CN109737136B CN 109737136 B CN109737136 B CN 109737136B CN 201910147394 A CN201910147394 A CN 201910147394A CN 109737136 B CN109737136 B CN 109737136B
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- 230000037431 insertion Effects 0.000 claims description 17
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- 238000005096 rolling process Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000001427 coherent effect Effects 0.000 description 2
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- 238000010276 construction Methods 0.000 description 1
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Abstract
The invention relates to a joint connector of a push-pull folding table. The folding table comprises a long joint body, a first rotating block and a second rotating block, wherein the first rotating block is provided with a first rotating disc, the second rotating block is provided with a second rotating disc, and the first rotating disc and the second rotating disc are reversely rotated and arranged at two ends of the joint body.
Description
Technical Field
The invention relates to the technical field of folding tables, in particular to a joint connector of a push-pull folding table.
Background
The existing push-pull folding table comprises a first supporting tube, a second supporting tube, a joint piece, a first folding table plate and a second folding table plate, wherein the first folding table plate and the second folding table plate are respectively arranged on the first supporting tube and the second supporting tube, the outer end of the first supporting tube and the inner end of the second supporting tube are rotationally connected through the joint piece, the joint piece comprises a joint body, a first rotating block and a second rotating block, the first rotating block and the second rotating block are respectively rotationally arranged at two ends of the joint body, and the first rotating block and the second rotating block are respectively and slidably arranged in the outer end of the first supporting tube and the inner end of the second supporting tube. Therefore, when a user folds the table, as the first rotating block and the second rotating block do not have any linkage connecting part, the first rotating block and the second rotating block cannot synchronously rotate, so that the first folding table and the second folding table are unsmooth in folding action and are not coherent when the user turns over the folding table, and the phenomena of clamping and quick and slow action are easy to occur.
Disclosure of Invention
The invention aims to provide a joint connector of a push-pull folding table, which enables two folding table boards to be folded synchronously, ensures that folding actions are coherent, smooth, fast and balanced.
The purpose of the invention is realized in the following way:
The utility model provides a joint connection spare of push-and-pull folding table, includes long joint body, first rotating block and second rotating block, be equipped with first carousel on the first rotating block, be equipped with the second carousel on the second rotating block, first carousel and the reverse rotation of second carousel set up the both ends at the joint body, this internal first synchronous linkage connecting rod, second synchronous linkage connecting rod and the slip pivot of being equipped with of joint, the slip pivot slides along the length direction of joint body and sets up on the joint body, the inner of first synchronous linkage connecting rod and the inner of second synchronous linkage connecting rod all are connected with slip pivot rotation, the outer end of first synchronous linkage connecting rod is connected with first carousel, and the outer end of second synchronous linkage connecting rod is connected with the second carousel. When the second rotating block rotates clockwise, the second turntable drives the two second synchronous linkage connecting rods, the two first synchronous linkage connecting rods and the sliding pivot shaft to move towards the second rotating block, and the two first synchronous linkage connecting rods drive the first turntable and the first rotating block to synchronously rotate anticlockwise.
The present invention can be further improved as follows.
The joint body is provided with a guide chute along the length direction of the joint body, the guide chute is positioned between the first turntable and the second turntable, and the sliding pivot is arranged on the guide chute in a sliding manner, so that when the sliding pivot slides, the first synchronous linkage connecting rod and the second synchronous linkage connecting rod drive the respective turntables to reversely rotate.
The guide chute is an arc-shaped groove with an upward or downward opening, so that when the sliding pivot slides towards one end of the guide chute, the first synchronous linkage connecting rod and the second synchronous linkage connecting rod drive the respective turntables to reversely rotate. When the sliding pivot slides to the end part of the guide groove, namely the lowest part, the sliding pivot can be fixed, and the sliding pivot cannot slide reversely under the action of no external force.
The sliding pivot comprises a joint body and is characterized in that first idler wheels are arranged at two ends of the sliding pivot, the guide sliding grooves are formed in two opposite inner side walls of the joint body, and the first idler wheels are arranged in the guide sliding grooves in a rolling mode, so that the sliding pivot slides smoothly.
The first rotary table and the second rotary table are reversely arranged in the joint body in a rotary way.
The two ends of the joint body are provided with rotary limiting inserting slits, the rotary limiting inserting slits are communicated with the inner cavity of the joint body, the first rotary table and the second rotary table extend into the inner cavity of the joint body through corresponding rotary limiting inserting slits, the rotary limiting inserting slits are in a transverse U-shaped form, and the rotary limiting inserting slits extend to two side surfaces of the joint body from the end surfaces of the joint body. The first turntable and the second turntable rotate in the corresponding rotation limiting insertion slits, the rotation limiting insertion slits limit the rotation angles of the first turntable and the second turntable, so that the first turntable and the second turntable can rotate to be level with the joint body, the two folding table boards can be unfolded horizontally finally, or the first turntable and the second turntable rotate to the same side of the joint body, even the first turntable and the second turntable rotate to be perpendicular to the joint body, and the two folding table boards can be folded finally.
The joint body is formed by folding a left shell and a right shell, the middle part of the left shell is abutted with the middle part of the right shell, and two ends of the left shell are separated from two ends of the right shell so as to form the rotary limiting insertion joint at two ends of the joint body.
The middle part of joint body is equipped with limit baffle and lower limit baffle along its length direction, the length of going up limit baffle is less than the length of lower limit baffle, goes up limit baffle and is located the top of lower limit baffle, the direction spout is located between limit baffle and the lower limit baffle, the rotatory spacing slit of inserting of joint body is located the preceding, the back both sides of going up limit baffle, consequently go up limit baffle and lower limit baffle and restricted the rotation angle of first, second carousel and first, second pivoted piece, and make first, second carousel can synchronous rotation to the upside of joint body and down rotatory reset, and can not rotate to the downside of joint body.
The upper limit baffle and the lower limit baffle are parallel to each other in a two-character shape.
The upper limit baffle and the lower limit baffle are respectively positioned at the upper side and the lower side of the rotary limit insertion slot.
The periphery of first carousel and second carousel is equipped with first limit stop and second limit stop, and the position of first limit stop corresponds limit stop, and the position of second limit stop corresponds limit stop down, and first limit stop of first carousel is located the outer end of first synchronous linkage connecting rod and is other, and first limit stop of second carousel is located the outer end of second synchronous linkage connecting rod.
The first limit stop of the first turntable is arranged opposite to the outer end of the first synchronous linkage connecting rod, and the second limit stop of the second turntable is arranged opposite to the outer end of the second synchronous linkage connecting rod.
The joint body is long, and the first rotating block and the second rotating block are rectangular.
The height and the thickness of the joint body are less than or equal to the height and the thickness of the first rotating block and less than or equal to the height and the thickness of the second rotating block, so that after the first folding table plate and the second folding table plate are unfolded, the joint body can be retracted into the supporting tubes of the first folding table plate and the second folding table plate, the first folding table plate and the second folding table plate can be mutually close together, and no gap exists between the first folding table plate and the second folding table plate.
The rotation stroke of the first limit stop and the second limit stop is smaller than or equal to the length of the guide chute.
The rotation angle range of the first limit stop and the second limit stop is 0-90 degrees, and the rotation angle range of the first rotating block and the second rotating block is 0-90 degrees in the same way, so that after the first folding table plate and the second folding table plate are folded, the first folding table plate and the second folding table plate are kept parallel and cannot be close together.
The joint body is waist form, and the terminal surface that first rotating block and second rotating block correspond the joint body is arc face form, the terminal surface that first rotating block and second rotating block correspond and the terminal surface shape, the size of joint body match each other to when making first, second rotating block rotate, the joint body can not interfere with it.
The upper limit baffle is arranged on the upper side of the middle of the right shell in a protruding mode, the lower limit baffle is arranged on the lower side of the middle of the right shell in a protruding mode, the upper limit baffle is provided with a first yielding opening corresponding to the upper limit baffle in the middle of the left shell, the upper limit baffle is in concave-convex fit with the first yielding opening, the lower limit baffle is provided with a second yielding opening corresponding to the lower limit baffle in the middle of the left shell, and the lower limit baffle is in concave-convex fit with the second yielding opening.
The beneficial effects of the invention are as follows:
According to the invention, the first synchronous linkage connecting rod, the second synchronous linkage connecting rod and the sliding pivot are arranged between the first rotating block and the second rotating block, and the first synchronous linkage connecting rod, the sliding pivot and the second synchronous linkage connecting rod are in transmission connection with the first rotating block and the second rotating block, so that the first rotating block and the second rotating block synchronously and reversely rotate, the two folding table boards are respectively and fixedly connected with the first rotating block and the second rotating block, and finally, when a user folds or unfolds the two folding table boards, the two folding table boards can be synchronously folded, smoothly pushed in and continuously, the folding speed of the two folding table boards is balanced and is twice of the folding speed of the existing folding table boards.
The two rotating blocks enable the two folding table boards to be in a horizontal shape when being unfolded, and enable the two folding table boards to be connected in a U shape after being folded.
And thirdly, the joint connecting piece of the invention ensures that when the folding table board is unfolded, the two folding table boards are folded together without gaps.
Drawings
FIG. 1 is a schematic exploded view of the articulation component of the present invention.
Fig. 2 is a schematic view of the articulation joint of the present invention with the left shell omitted.
Figure 3 is a side view of the articulating component of the invention.
Fig. 4 is an exploded view of the first turning block of the present invention.
Fig. 5 is a schematic structural view of the present invention applied to a push-pull folding table, and a supporting frame of the push-pull folding table is in an unfolded state.
Fig. 6 is a schematic structural view of the present invention applied to a push-pull folding table, and a supporting frame of the push-pull folding table is in a folded state.
Fig. 7 is a schematic view of a structure in which the support frame of the push-pull folding table is in a folded state, but the two support pipes are not folded.
Figure 8 is a schematic view of the exploded construction of the support frame of the push-pull folding table of the present invention.
Fig. 9 is an enlarged schematic view of the structure at a in fig. 8.
Detailed Description
The invention is further described below with reference to the drawings and examples.
In a first embodiment, as shown in fig. 1 to 9, a push-pull folding table includes a support frame 10, a first folding table (not shown in the drawing) and a second folding table (not shown in the drawing), the support frame 10 includes a fixing frame 5, a support air bar 4, a first support tube 1, a second support tube 2, a joint connector 3, the inner end of the first support tube 1 is rotatably disposed on the fixing frame 5, one end of the support air bar 4 is rotatably disposed on the fixing frame 5, the first folding table and the second folding table are respectively disposed on the first support tube 1 and the second support tube 2, the outer end of the first support tube 1 and the inner end of the second support tube 2 are rotatably connected through the joint connector 3, the joint connector 3 includes a long joint body 30, a first rotating block 31 and a second rotating block 32, the first rotating block 31 and the second rotating block 32 are rotatably disposed at two ends of the joint body 30, and the first rotating block 31 and the second rotating block 32 are slidably disposed in the outer end of the first support tube 1 and the inner end of the second support tube 2, respectively.
As a more detailed solution of the invention.
The first rotating block 31 is provided with a first rotating disc 39, the second rotating block 32 is provided with a second rotating disc 38, the first rotating disc 39 and the second rotating disc 38 are reversely rotated and arranged at two ends of the joint body 30, two first synchronous linkage connecting rods 371, two second synchronous linkage connecting rods 372 and a sliding pivot 36 are arranged in the joint body 30, the sliding pivot 36 is arranged on the joint body 30 in a sliding manner along the length direction of the joint body 30, the inner ends of the two first synchronous linkage connecting rods 371 and the inner ends of the two second synchronous linkage connecting rods 372 are both connected with the sliding pivot 36 in a rotating manner, the outer ends of the two first synchronous linkage connecting rods 371 are connected with two side surfaces of the first rotating disc 39, and the outer ends of the two second synchronous linkage connecting rods 372 are connected with two side surfaces of the second rotating disc 38. When the second rotating block 32 rotates clockwise, the second turntable 38 drives the two second synchronous linkage links 372, the two first synchronous linkage links 371 and the sliding pivot 36 to move towards the second rotating block 32, and the two first synchronous linkage links 371 drive the first rotating disk 39 and the first rotating block 31 to rotate counterclockwise synchronously, conversely, when the second rotating block 32 rotates counterclockwise, the first rotating block 31 rotates clockwise, so that the first and second rotating blocks 32 can rotate reversely synchronously, and finally the two folding tables connected with the first and second rotating blocks 32 can fold or unfold synchronously.
As a more specific technical scheme of the invention.
The inner ends of the two first synchronous linkage links 371 are sleeved on the sliding pivot 36, and the inner ends of the two second synchronous linkage links 372 are sleeved on the sliding pivot 36.
The joint body 30 is provided with a guiding chute 301 along the length direction thereof, the guiding chute 301 is located between the first rotating disc 39 and the second rotating disc 38, and the sliding pivot 36 is slidably disposed on the guiding chute 301, so that when the sliding pivot 36 slides, the two first synchronous linkage links 371 and the two second synchronous linkage links 372 drive the respective rotating discs to reversely rotate.
The guide chute 301 is an arc-shaped slot with an upward or downward opening, so that when the sliding pivot 36 slides toward one end of the guide chute, the two first synchronous linkage links 371 and the two second synchronous linkage links 372 drive the respective turntables to reversely rotate. When the sliding pivot 36 slides to the end of the guide groove, i.e., the lowest position, the sliding pivot 36 can be fixed, and the sliding pivot 36 does not slide reversely without the action of external force.
The two ends of the sliding pivot 36 are provided with first rollers 35, the two opposite inner side walls of the joint body 30 are provided with the guide sliding grooves 301, and the first rollers 35 are arranged in the guide sliding grooves 301 in a rolling manner, so that the sliding pivot 36 slides smoothly.
The first turntable 39 and the second turntable 38 are reversely rotatably disposed in the joint body 30.
The two ends of the joint body 30 are provided with rotation limiting insertion slits 300, the rotation limiting insertion slits 300 are communicated with the inner cavity of the joint body 30, the first rotary table 39 and the second rotary table 38 extend into the inner cavity of the joint body 30 from the corresponding rotation limiting insertion slits 300, the rotation limiting insertion slits 300 are in a transverse U-shaped, and the rotation limiting insertion slits 300 extend from the end face of the joint body 30 to two side faces of the joint body. The first and second turntables 38 rotate in the corresponding rotation limiting slots 300, and the rotation limiting slots 300 limit the rotation angle of the first and second turntables 38, so that the first and second turntables can rotate to be level with the joint body 30, and finally the two folding tables can be unfolded horizontally, or the first and second turntables rotate to the same side of the joint body 30, and even the first and second turntables rotate to be perpendicular to the joint body 30, and finally the two folding tables can be folded.
The joint body 30 is formed by folding a left shell 34 and a right shell 33, the middle part of the left shell 34 is abutted against the middle part of the right shell 33, and two ends of the left shell 34 are separated from two ends of the right shell 33, so that the rotation limiting insertion slot 300 is formed at two ends of the joint body 30.
The middle part of the joint body 30 is provided with an upper limit baffle 302 and a lower limit baffle 304 along the length direction thereof, the length of the upper limit baffle 302 is smaller than that of the lower limit baffle 304, the upper limit baffle 302 is positioned above the lower limit baffle 304, the guide chute 301 is positioned between the upper limit baffle 302 and the lower limit baffle 304, and the rotation limit insertion slot of the joint body 30 is positioned at the front side and the rear side of the upper limit baffle 302, so that the upper limit baffle 302 and the lower limit baffle 304 limit the rotation angles of the first turntable, the second turntable, the first turntable and the second turntable, and the first turntable and the second turntable can synchronously rotate to the upper side and the lower side of the joint body 30 for rotary reset, but cannot rotate to the lower side of the joint body 30.
The upper limit baffle 302 and the lower limit baffle 304 are parallel to each other in a two-character shape.
The upper limit stop 302 and the lower limit stop 304 are respectively located at the upper and lower sides of the rotation limit slot 300.
The first rotating disc 39 and the second rotating disc 38 are provided with a first limit stop 391 and a second limit stop 392 at the periphery, the position of the first limit stop 391 corresponds to the upper limit stop 302, the position of the second limit stop 392 corresponds to the lower limit stop 304, the first limit stop 391 of the first rotating disc 39 is located beside the outer ends of the two first synchronous linkage links 371, and the first limit stop 391 of the second rotating disc 38 is located beside the outer ends of the two second synchronous linkage links 372.
The first limit stop 391 of the first turntable 39 is disposed opposite to the outer ends of the two first synchronous linkage links 371, and the second limit stop 392 of the second turntable 38 is disposed opposite to the outer ends of the two second synchronous linkage links 372.
The joint body 30 has a long shape, and the first and second rotating blocks 32 have a rectangular shape.
The height and thickness of the joint body 30 are less than or equal to the height and thickness of the first rotating block 31 and less than or equal to the height and thickness of the second rotating block 32, so that after the first folding table plate and the second folding table plate are unfolded, the joint body 30 can be retracted into the supporting tubes of the first folding table plate and the second folding table plate, the first folding table plate and the second folding table plate can be mutually closed together, and no gap exists between the first folding table plate and the second folding table plate.
The rotational travel of the first limit stop 391 and the second limit stop 392 is less than or equal to the length of the guide chute 301.
The rotation angle range of the first limit stop 391 and the second limit stop 392 is 0-90 degrees, and the rotation angle range of the first rotating block and the second rotating block is 0-90 degrees, so that the first folding table plate and the second folding table plate are kept parallel after being folded and are not close together. In addition, the first folding table plate and the second folding table plate can be kept level when being unfolded.
The joint body 30 is waist-shaped, the end faces of the first rotating block 31 and the second rotating block 32 corresponding to the joint body 30 are arc-shaped, and the end faces of the first rotating block 31 and the second rotating block 32 are matched with the end faces of the joint body 30 in shape and size, so that the joint body 30 cannot interfere with the first rotating block and the second rotating block when the first rotating block and the second rotating block rotate.
The upper limit baffle 302 is arranged on the upper side of the middle part of the right shell 33 in a protruding mode, the lower limit baffle 304 is arranged on the lower side of the middle part of the right shell 33 in a protruding mode, a first yielding opening 303 is formed in the upper side of the middle part of the left shell 34, the upper limit baffle 302 is in concave-convex fit with the first yielding opening 303, a second yielding opening is formed in the lower side of the middle part of the left shell 34, and the lower limit baffle 304 is in concave-convex fit with the second yielding opening.
The first rotating block 31 and the second rotating block 32 comprise a base 311, a side plate 314, a sliding seat 313 and a return spring 312, the sliding seat 313 is arranged in the base 311 in a vertically sliding manner, the return spring 312 is positioned between the sliding seat 313 and the base 311, the upper end and the lower end of the return spring 312 are respectively abutted to the base 311 and the sliding seat 313, the side plate 314 closes the inner cavity of the base 311, the sliding seat 313 is provided with a sliding shaft 316, the two ends of the sliding shaft 316 are provided with second rollers 315, the outer end of the first supporting tube 1 and the inner end of the second supporting tube 2 are provided with long holes 11 and 21 along the length direction of the inner end of the first supporting tube and the second supporting tube 315 are arranged on the long holes 11 and 21 in a sliding manner. When the first folding table plate and the second folding table plate are folded, the first rotating block 31 and the second rotating block 32 slide into the respective supporting tubes, and when the second roller 315 slides to the inner end of the long hole 1, the second roller 315 is clamped into the inner end of the long hole 1 under the action of the return spring 312, the first rotating block and the second rotating block cannot slide freely any more, the first folding table plate and the second folding table plate are folded together, and no gap exists between the first rotating block and the second rotating block. When the first folding table plate and the second folding table plate are separated, the first rotating block 31 and the second rotating block 32 are pulled out of the supporting tubes respectively, and when the second roller 315 slides to the outer end of the long hole 11, the second roller 315 is clamped into the outer end of the long hole 1 under the action of the return spring 312, the first rotating block and the second rotating block cannot slide freely any more, and the second folding table plate cannot move outwards relative to the first folding table plate.
The working principle of the invention is as follows:
The push-pull folding table of the present invention is generally fixed to a wall surface, when a user wants to unfold the push-pull folding table, the user pulls the second folding table outwardly, the air bar supporting the air bar 4 is extended, the second folding table is rotated upwardly in a clockwise direction, the second rotating block 32 and the second supporting tube 2 are also rotated upwardly in a clockwise direction, the second turntable 38 drives the two second synchronous linkage links 372, the two first synchronous linkage links 371 and the sliding pivot 36 to move toward the second rotating block 32, the two first synchronous linkage links 371 drive the first turntable 39 and the first rotating block 31 to rotate upwardly synchronously in a counterclockwise direction, so that the first rotating block 31 and the second rotating block 32 rotate reversely synchronously, the second folding table plate drives the first folding table plate to synchronously rotate along the anticlockwise direction, when the sliding pivot 36 slides to the front end of the guide groove, the first folding table plate, the joint body 30 and the first folding table plate are in a horizontal parallel and level shape, then a user pushes the second folding table plate towards the direction of the first folding table plate (inwards), the first rotating block 32 and the second rotating block 32 retract into the respective supporting tubes, the joint body 30 also retracts into the two supporting tubes, so that the first folding table plate and the second folding table plate are folded together, no gap exists between the first folding table plate and the second folding table plate, the first folding table plate and the second folding table plate are fixed and cannot rotate, and the user can work, eat or learn on the two folding table plates.
When the user wants to fold the push-pull folding table, the user pulls the second folding table outwards firstly, the second folding table moves outwards horizontally, so that the first folding table and the second folding table are separated, the first rotating block 32 and the second rotating block 32 extend out of the respective supporting tubes, the joint body 30 also moves out of the two supporting tubes, then the user pushes the second folding table inwards, the air rod supporting the air rod 4 contracts, the second folding table rotates downwards in the anticlockwise direction, the second rotating block 32 and the second supporting tube 2 also rotate upwards in the anticlockwise direction, the second turntable 38 drives the two second synchronous linkage connecting rods 372, the two first synchronous linkage connecting rods 371 and the sliding pivot 36 to move towards the first rotating block 31, therefore, the first rotating block 31 and the second rotating block 32 rotate reversely synchronously, the second folding table drives the first folding table to rotate synchronously in the clockwise direction, when the sliding pivot 36 slides to the rear end of the guide groove, the first folding table, the second folding table and the joint body 30 are perpendicular to the joint body 30, and the first folding table, the first folding table and the second folding table are folded into U-shaped shapes, and the folding table is folded on the wall.
Claims (7)
1. The joint connector of the push-pull folding table comprises a joint body, a first rotating block and a second rotating block, and is characterized in that the first rotating block is provided with a first rotating disc, the second rotating block is provided with a second rotating disc, the first rotating disc and the second rotating disc are reversely rotated and arranged at two ends of the joint body, a first synchronous linkage connecting rod, a second synchronous linkage connecting rod and a sliding pivot are arranged in the joint body, the sliding pivot is arranged on the joint body in a sliding manner along the length direction of the joint body, the inner end of the first synchronous linkage connecting rod and the inner end of the second synchronous linkage connecting rod are both rotationally connected with the sliding pivot, the outer end of the first synchronous linkage connecting rod is connected with the first rotating disc, and the outer end of the second synchronous linkage connecting rod is connected with the second rotating disc;
The joint body is provided with a guide chute along the length direction of the joint body, the guide chute is positioned between the first rotary table and the second rotary table, and the sliding pivot is arranged on the guide chute in a sliding manner;
The guide chute is an arc-shaped groove with an upward or downward opening;
The two ends of the joint body are provided with rotary limiting insertion slits, the first rotary table and the second rotary table extend into the inner cavity of the joint body from the corresponding rotary limiting insertion slits, the rotary limiting insertion slits are in a transverse U-shaped form, and the rotary limiting insertion slits extend from the end faces of the joint body to two side faces of the joint body.
2. The joint connector of the push-pull folding table according to claim 1, wherein the joint body is formed by folding a left shell and a right shell, the middle part of the left shell is abutted with the middle part of the right shell, and two ends of the left shell are separated from two ends of the right shell so as to form the rotation limiting insertion slot at two ends of the joint body.
3. The joint connector of a push-pull folding table according to claim 2, wherein an upper limit baffle and a lower limit baffle are arranged in the middle of the joint body along the length direction of the joint body, the length of the upper limit baffle is smaller than that of the lower limit baffle, the upper limit baffle is positioned above the lower limit baffle, the guide chute is positioned between the upper limit baffle and the lower limit baffle, and the rotary limit insertion slot of the joint body is positioned at the front side and the rear side of the upper limit baffle.
4. A push-pull folding table joint according to claim 3, wherein the upper limit baffle and the lower limit baffle are respectively located at the upper side and the lower side of the rotation limit slot.
5. The articulating mechanism of a push-pull folding table of claim 4 wherein the first and second turntables are provided with first and second endstops at their peripheral edges, the first endstop being positioned to correspond to the upper endstop and the second endstop being positioned to correspond to the lower endstop, the second endstop of the first turntable being positioned adjacent the outer end of the first linkage link and the first endstop of the second turntable being positioned adjacent the outer end of the second linkage link.
6. The articulating mechanism of a push-pull folding table of claim 5 wherein the first limit stop of the first turntable is disposed opposite the outer end of the first synchronized linkage link and the second limit stop of the second turntable is disposed opposite the outer end of the second synchronized linkage link.
7. The articulating mechanism of a push-pull folding table of claim 6 wherein the sliding pivot has first rollers at opposite ends, the opposing inner side walls of the articulating body have guide runners, and the first rollers are disposed in the guide runners in a rolling manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910147394.6A CN109737136B (en) | 2019-02-27 | 2019-02-27 | Joint connector of push-pull folding table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910147394.6A CN109737136B (en) | 2019-02-27 | 2019-02-27 | Joint connector of push-pull folding table |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109737136A CN109737136A (en) | 2019-05-10 |
| CN109737136B true CN109737136B (en) | 2024-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910147394.6A Active CN109737136B (en) | 2019-02-27 | 2019-02-27 | Joint connector of push-pull folding table |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113700731A (en) * | 2021-10-01 | 2021-11-26 | 东莞市原创玩具有限公司 | Intermittent ratchet wheel forward and reverse rotation assembly, rotation method and application thereof, and rotary joint |
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| CN209638220U (en) * | 2019-02-27 | 2019-11-15 | 江门市新昊玮五金科技有限公司 | A kind of joint connector of foldable push and pull table |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP2871112B1 (en) * | 2013-11-01 | 2017-10-11 | Thule Child Transport Systems Ltd | Foldable carriage |
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|---|---|---|---|---|
| GB429653A (en) * | 1934-04-27 | 1935-06-04 | Harold Howe | Improvements in folding means for furniture such as tables |
| KR20100001237U (en) * | 2008-07-25 | 2010-02-03 | (주)디앤지오토매틱 | Folding automatic door using straight motion apparatus and link apparatus |
| CN203050228U (en) * | 2012-11-29 | 2013-07-10 | 朱瑞寅 | Tent folding knuckle |
| CN204623531U (en) * | 2015-04-09 | 2015-09-09 | 好孩子儿童用品有限公司 | A kind of link gear and children trolley |
| CN106351940A (en) * | 2016-10-21 | 2017-01-25 | 广东顶固集创家居股份有限公司 | Down-folding table |
| CN207454533U (en) * | 2016-11-14 | 2018-06-05 | 好孩子儿童用品有限公司 | Cradle head and the travelling bed with cradle head |
| CN209638220U (en) * | 2019-02-27 | 2019-11-15 | 江门市新昊玮五金科技有限公司 | A kind of joint connector of foldable push and pull table |
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| Publication number | Publication date |
|---|---|
| CN109737136A (en) | 2019-05-10 |
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