CN212139938U - Prevent folding seat skeleton of tong - Google Patents
Prevent folding seat skeleton of tong Download PDFInfo
- Publication number
- CN212139938U CN212139938U CN202020432698.5U CN202020432698U CN212139938U CN 212139938 U CN212139938 U CN 212139938U CN 202020432698 U CN202020432698 U CN 202020432698U CN 212139938 U CN212139938 U CN 212139938U
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- fixed
- connecting rod
- supporting leg
- sliding
- sleeve
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Abstract
The utility model discloses a prevent folding seat chair skeleton of tong, which comprises a seat body, the one end of the bottom of seat chair body is fixed with the mount pad, the bottom of mount pad is rotated and is connected with first landing leg, the side of first landing leg is fixed with first fixed block, the side of first fixed block is rotated and is connected with first connecting rod, first spout has been seted up to the side of first landing leg, the internally mounted of first spout has the pneumatic cylinder, the top of the piston rod of pneumatic cylinder is fixed with first slider, first slider and first spout sliding connection, the side of first slider is rotated and is connected with the second connecting rod, the one end that first slider was kept away from to the second connecting rod is rotated and is connected with the second fixed block. The utility model discloses a set up pneumatic cylinder, first slider, second connecting rod, second fixed block, threaded rod, sleeve and slide bar, the folding back of accomplishing is put monolithic stationary, avoids the user to point in handling and is hindered by the pressure, improves the security of using.
Description
Technical Field
The utility model relates to a folding seat technical field especially relates to a prevent folding seat skeleton of tong.
Background
The folding chair is a portable chair with a folding function, is convenient to move and saves space. Originally for military use. The device is commonly used in various training institutions, schools at all levels, public places, hospitals, restaurants, hotels, companies, families and other places.
Most of existing folding chairs are simply stored after being folded, folding parts are not fixed, when the folding chair is carried, fingers of a user can be easily inserted into gaps, the fingers of the user can be easily clamped, unnecessary injuries are caused, and the folding chair frame is not enough in use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a folding seat framework capable of preventing hands from being clamped.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a folding seat framework capable of preventing hands from being clamped comprises a seat body, wherein a mounting seat is fixed at one end of the bottom of the seat body, a first supporting leg is connected to the bottom of the mounting seat in a rotating mode, a first fixing block is fixed on the side face of the first supporting leg, a first connecting rod is connected to the side face of the first fixing block in a rotating mode, a first sliding groove is formed in the side face of the first supporting leg, a hydraulic cylinder is installed inside the first sliding groove, a first sliding block is fixed at the top of a piston rod of the hydraulic cylinder and is connected with the first sliding groove in a sliding mode, a second connecting rod is connected to the side face of the first sliding block in a rotating mode, a second fixing block is connected to one end, away from the first sliding block, of the second connecting rod in a rotating mode, a second supporting leg is fixed on the side face of the second fixing block, a second sliding groove is formed in the, the fixed axle is connected with a second slider in a sliding and sleeving manner, the second slider is rotatably connected with one end, far away from the first fixed block, of the first connecting rod, limiting holes are formed in the side face and the bottom of the second supporting leg, a third sliding groove is formed in the bottom of the seat body, a mounting hole is formed in the side face of the third sliding groove, a connecting groove is formed in the bottom of the mounting hole, a sleeve is connected to the inside of the mounting hole in a sliding manner, a sliding rod is fixed to the side face of the sleeve, a threaded rod is installed on the side face of the seat body, and the threaded rod is inserted into the inside of the mounting hole and connected.
Preferably, the first link and the second link are rotatably connected.
Preferably, the length of the third sliding groove is equal to that of the second supporting leg, and the diameter of the cross section of the sleeve is equal to the inner diameter of the limiting hole in the bottom of the second supporting leg.
Preferably, a knob is fixed at one end, far away from the sleeve, of the threaded rod, and the threaded rod is rotatably connected with the seat body through a bearing.
Preferably, the longitudinal section of the sliding rod is L-shaped, the sliding rod is connected with the connecting groove in a sliding mode, and the sliding rod is connected with the limiting hole in the side face of the second supporting leg in a sliding mode.
Preferably, the piston rod and the fixed shaft of the hydraulic cylinder are both perpendicular to the lower surface of the seat body.
Compared with the prior art, the beneficial effects of the utility model are that:
when the device is stored, firstly, the knob is rotated, the knob drives the threaded rod, the threaded rod drives the sleeve through thread transmission, the sleeve drives the sliding rod, the sliding rod is separated from the limit hole on the side surface of the second supporting leg, at the moment, the hydraulic cylinder is started, the hydraulic cylinder drives the first slider to move downwards, the first slider drives the second connecting rod, the second connecting rod drives the second fixed block, the second fixed block drives the second supporting leg, the first supporting leg and the second supporting leg are close to each other, at the moment, the second slider moves downwards along the axial direction of the fixed shaft, the first supporting leg is rotated to be parallel to the bottom of the seat body, at the moment, the second supporting leg enters the inside of the third sliding groove, the knob is rotated reversely, the threaded rod drives the threaded rod, the threaded rod drives the sleeve through thread transmission, the sleeve is inserted into the limit hole at the bottom of the second supporting leg, the device, the use safety is improved.
Drawings
Fig. 1 is a schematic structural view of a folding seat frame for preventing hands from being pinched provided by the present invention;
fig. 2 is an enlarged schematic view of a part a of a folding seat frame for preventing hands from being pinched according to the present invention;
fig. 3 is the utility model provides a prevent side cross-sectional view after folding of folding seat skeleton of tong.
In the figure: the seat comprises a seat body 1, a mounting seat 2, a first supporting leg 3, a first fixing block 4, a first connecting rod 5, a hydraulic cylinder 6, a first sliding block 7, a second connecting rod 8, a second fixing block 9, a second supporting leg 10, a fixing shaft 11, a second sliding block 12, a mounting hole 13, a connecting groove 14, a threaded rod 15, a knob 16, a sleeve 17 and a sliding rod 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a hand-clamping-prevention folding seat frame comprises a seat body 1, wherein a mounting seat 2 is fixed at one end of the bottom of the seat body 1, a first supporting leg 3 is rotatably connected to the bottom of the mounting seat 2, a first fixing block 4 is fixed on the side surface of the first supporting leg 3, a first connecting rod 5 is rotatably connected to the side surface of the first fixing block 4, a first chute is formed in the side surface of the first supporting leg 3, a hydraulic cylinder 6 is installed in the first chute, a first sliding block 7 is fixed on the top of a piston rod of the hydraulic cylinder 6, the first sliding block 7 is slidably connected with the first chute, a second connecting rod 8 is rotatably connected to the side surface of the first sliding block 7, a second fixing block 9 is rotatably connected to one end of the second connecting rod 8 far away from the first sliding block 7, a second supporting leg 10 is fixed on the side surface of the second fixing block 9, a second chute is formed in the side surface of the, sliding sleeve has cup jointed second slider 12 on the fixed axle 11, second slider 12 rotates with the one end that first fixed block 4 was kept away from to first connecting rod 5 and is connected, spacing hole has all been seted up to the side and the bottom of second landing leg 10, the third spout has been seted up to the bottom of seat body 1, mounting hole 13 has been seted up to the side of third spout, spread groove 14 has been seted up to the bottom of mounting hole 13, the inside sliding connection of mounting hole 13 has sleeve 17, sleeve 17's side is fixed with slide bar 18, seat body 1's side-mounting has the inside that threaded rod 15 inserted mounting hole 13 and is connected with sleeve 17 through the screw thread.
Wherein the first link 5 and the second link 8 are rotatably connected.
The length of the third sliding groove is equal to that of the second supporting leg 10, and the diameter of the cross section of the sleeve 17 is equal to the inner diameter of the limiting hole in the bottom of the second supporting leg 10.
Wherein, the threaded rod 15 is fixed with the knob apart from the one end of sleeve 17, and threaded rod 15 passes through the bearing and is connected with seat body 1 rotation.
The longitudinal section of the sliding rod 18 is in an L shape, the sliding rod 18 is connected with the connecting groove 14 in a sliding mode, and the sliding rod 18 is connected with the limiting hole in the side face of the second supporting leg 10 in a sliding mode.
Wherein, the piston rod of the hydraulic cylinder 6 and the fixed shaft 11 are both vertical to the lower surface of the seat body 1.
The working principle is as follows: when the device is stored, firstly, the knob 16 is rotated, the knob 16 drives the threaded rod 15, the threaded rod 15 drives the sleeve 17 through thread transmission, the sleeve 17 drives the slide rod 18, the slide rod 18 is separated from the limit hole on the side surface of the second supporting leg 10, at the moment, the hydraulic cylinder 6 is started, the hydraulic cylinder 6 drives the first slider 7 to move downwards, the first slider 7 drives the second connecting rod 8, the second connecting rod 8 drives the second fixed block 9, the second fixed block 9 drives the second supporting leg 10, the first supporting leg 3 and the second supporting leg 10 are close to each other, at the moment, the second slider 12 moves downwards along the axial direction of the fixed shaft 11, the first supporting leg 3 is rotated to be parallel to the bottom of the seat body 1, at the moment, the second supporting leg 10 enters the inside of the third sliding chute, the knob is rotated reversely, the knob 16 drives the threaded rod 15, the threaded rod 15 drives the sleeve 17 through thread transmission, the, after the folding is finished, the device is integrally fixed, fingers of a user are prevented from being pressed and damaged in the carrying process, and the use safety is improved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The folding seat framework capable of preventing hands from being clamped comprises a seat body (1) and is characterized in that a mounting seat (2) is fixed at one end of the bottom of the seat body (1), a first supporting leg (3) is connected to the bottom of the mounting seat (2) in a rotating mode, a first fixed block (4) is fixed to the side face of the first supporting leg (3), a first connecting rod (5) is connected to the side face of the first fixed block (4) in a rotating mode, a first sliding groove is formed in the side face of the first supporting leg (3), a hydraulic cylinder (6) is installed inside the first sliding groove, a first sliding block (7) is fixed to the top of a piston rod of the hydraulic cylinder (6), the first sliding block (7) is connected with the first sliding groove in a sliding mode, a second connecting rod (8) is connected to the side face of the first sliding block (7) in a rotating mode, one end, far away from the first sliding block (7), of the second connecting rod (, the side of second fixed block (9) is fixed with second landing leg (10), the second spout has been seted up to the side of second landing leg (10), the inside of second spout is fixed with fixed axle (11), second slider (12) have been cup jointed in the slip on fixed axle (11), second slider (12) are rotated with the one end that first fixed block (4) was kept away from in first connecting rod (5) and are connected, spacing hole has all been seted up to the side and the bottom of second landing leg (10), the third spout has been seted up to the bottom of seat body (1), mounting hole (13) have been seted up to the side of third spout, spread groove (14) have been seted up to the bottom of mounting hole (13), the inside sliding connection of mounting hole (13) has sleeve (17), the side of sleeve (17) is fixed with slide bar (18), the side-mounting of seat body (1) has threaded rod (15) insert the inside of mounting hole (13) and pass through threaded rod (15) and pass through Is connected with the sleeve (17).
2. The folding chair framework capable of preventing hands from being pinched according to claim 1, wherein the first connecting rod (5) and the second connecting rod (8) are rotatably connected.
3. The folding chair framework capable of preventing hands from being pinched according to claim 1, wherein the length of the third sliding groove is equal to that of the second supporting leg (10), and the diameter of the cross section of the sleeve (17) is equal to the inner diameter of the limiting hole at the bottom of the second supporting leg (10).
4. The folding chair framework capable of preventing hands from being pinched according to claim 1, wherein a knob is fixed to one end of the threaded rod (15) far away from the sleeve (17), and the threaded rod (15) is rotatably connected with the chair body (1) through a bearing.
5. The folding chair framework capable of preventing hands from being pinched as claimed in claim 1, wherein the slide bar (18) has an "L" shape in longitudinal section, the slide bar (18) is slidably connected to the connecting groove (14), and the slide bar (18) is slidably connected to the limiting hole on the side surface of the second leg (10).
6. The folding chair framework capable of preventing hands from being pinched according to claim 1, wherein the piston rod of the hydraulic cylinder (6) and the fixed shaft (11) are perpendicular to the lower surface of the chair body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020432698.5U CN212139938U (en) | 2020-03-30 | 2020-03-30 | Prevent folding seat skeleton of tong |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020432698.5U CN212139938U (en) | 2020-03-30 | 2020-03-30 | Prevent folding seat skeleton of tong |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212139938U true CN212139938U (en) | 2020-12-15 |
Family
ID=73716906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020432698.5U Active CN212139938U (en) | 2020-03-30 | 2020-03-30 | Prevent folding seat skeleton of tong |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212139938U (en) |
-
2020
- 2020-03-30 CN CN202020432698.5U patent/CN212139938U/en active Active
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