CN215604500U - Seat with pulley brake device - Google Patents
Seat with pulley brake device Download PDFInfo
- Publication number
- CN215604500U CN215604500U CN202122077797.3U CN202122077797U CN215604500U CN 215604500 U CN215604500 U CN 215604500U CN 202122077797 U CN202122077797 U CN 202122077797U CN 215604500 U CN215604500 U CN 215604500U
- Authority
- CN
- China
- Prior art keywords
- pulley
- brake
- seat
- transmission rod
- arc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model provides a chair with a pulley braking device, comprising: the seat comprises a seat base, wherein a plurality of pulleys are arranged at the bottom of the seat base, the seat base is provided with a pulley braking device, the pulley braking device comprises a brake pad and a transmission rod, the bottom of the transmission rod is abutted against the brake pad, the brake pad is provided with an elastic deformation part and arc-shaped friction plates corresponding to the pulleys, the elastic deformation part is arranged on two sides of each arc-shaped friction plate, the arc-shaped friction plates are correspondingly arranged above the pulleys, and the seat base is provided with a switch button connected with the transmission rod; when the brake is used, the switch button is pressed to drive the arc-shaped friction plate to prop against the pulley. The chair with the pulley brake device is provided with the pulley brake device, so that the pulley can be braked and unlocked, the positioning is stable, and the operation is convenient; the brake is prevented from being unlocked by mistake, and the use is safe and reliable; simple structure and low production cost.
Description
Technical Field
The utility model relates to a seat, in particular to a seat with a pulley braking device.
Background
Many seats are available with wheels, including many child carriers, such as child seats, cribs, children's carts, or tricycles, which are equipped with wheels to facilitate mobility. At the same time, it is desirable to be able to secure it securely in a position so as to be carefree for the child. Therefore, a corresponding brake device is required to be arranged to brake and lock the wheel, and the function of the brake device is more important for the safety of the rider sitting on the brake device.
Taking a child seat as an example, an existing child seat generally includes a seat portion and a supporting frame for supporting the seat portion, wherein a backrest, a leg rest, a removable tray, and the like can be selectively pivoted on the seat portion. Most of the existing children seats on the market are not provided with wheels, and the requirement that a user can move conveniently at any time according to needs cannot be met; the child seat with the wheels is arranged at the lower end of the support frame, the brake device is correspondingly connected to the support frame and used for braking and locking the wheels and releasing the lock to enable the wheels to rotate, so that the child seat can be moved, but the brake device has the defects of complex structure, inconvenience in operation and the like, is easy to cause inconvenience in operation of a user in use, and is easy to separate due to unstable positioning, and potential safety hazards are brought to a seated child.
Therefore, it is necessary to provide a brake device with simple structure, easy operation and high reliability to solve the disadvantages of the prior art.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The technical problem to be solved by the utility model is to provide a seat with a pulley brake device, which has a simple structure; the pulley brake device is arranged, so that the pulley can be braked and unlocked, the positioning is stable, and the operation is convenient; the brake unlocking error is prevented, the use is safe and reliable, and the production cost is low.
(II) technical scheme
In order to solve the above technical problems, the present invention provides a seat with a pulley braking device, comprising: the seat comprises a seat base, wherein a plurality of pulleys are arranged at the bottom of the seat base, the seat base is provided with a pulley braking device, the pulley braking device comprises a brake pad and a transmission rod, the bottom of the transmission rod is abutted against the brake pad, the brake pad is provided with an elastic deformation part and arc-shaped friction plates corresponding to the pulleys, the elastic deformation part is arranged on two sides of each arc-shaped friction plate, the arc-shaped friction plates are correspondingly arranged above the pulleys, and the seat base is provided with a switch button connected with the transmission rod; when the brake is carried out, the switch button is pressed to drive the arc-shaped friction plate to downwards abut against the pulley, and the pulley stops rotating through friction force; when the switch key is reset during unlocking, the elastic deformation part drives the arc-shaped friction plate to be separated from the pulley upwards.
According to the seat with the pulley braking device, the pulley braking devices are provided with two groups and are respectively arranged above the first front pulley and the second front pulley, one pulley can be braked independently, and the seat is convenient to use; the pulley brake device is arranged, so that the pulley can be braked and unlocked, the positioning is stable, and the operation is convenient; the brake is prevented from being unlocked by mistake, and the use is safe and reliable; the structure is simple, and the production cost is low; the brake pad and the arc-shaped friction plate are integrally formed, and the brake pad is made of rubber, so that the friction force is large, and the braking effect is good; the mounting plate is provided with a through groove for mounting the transmission rod, one end of the transmission rod penetrates through the through groove, and the transmission rod can slide up and down in the through groove and slide smoothly; the mounting plate and the brake pad are fixedly mounted at the bottom of the seat base through bolts, so that the mounting plate and the brake pad are convenient to assemble and disassemble; when the unlocking is carried out, the reset spring drives the transmission rod to reset upwards, and the resetting is rapid; when the limiting device is used, the transmission rod moves downwards to enable the limiting round table to be abutted against the mounting plate for limiting, the limiting effect is good, and the use is reliable.
Furthermore, the transmission rod is arranged below the switch key, and the switch key is provided with a mounting groove for mounting the transmission rod, so that the mounting is stable; and the switch key is pressed to drive the transmission rod to move downwards, so that the transmission is convenient.
Further, the seat base is fixedly provided with a mounting plate, the brake block is fixedly arranged at the bottom of the mounting plate, and the mounting is stable.
Further, the mounting panel is equipped with and is used for the installation the logical groove of transfer line, transfer line one end is run through lead to the groove, the transfer line can lead to the inslot and slide from top to bottom, and it is smooth and easy to slide.
Further, the mounting panel the brake block passes through bolt fixed mounting and is in seat base bottom, the mounting panel is equipped with and is used for first bolt hole, the brake block is equipped with the second bolt hole, easy dismounting, assembly cost is low.
Further, the transfer line be equipped with the spacing round platform that the mounting panel corresponds, during the use the transfer line downstream makes spacing round platform supports and leans on spacing on the mounting panel, spacing effectual uses reliably.
Furthermore, the switch key is a spring self-locking switch key, and the spring self-locking switch key is provided with a return spring, so that the return is flexible. When the automobile is braked, the spring self-locking switch button is pressed down once and self-locked, and the arc-shaped friction plate is driven to prop against the pulley downwards through the transmission rod; when the spring self-locking switch is unlocked, the spring self-locking switch button is pressed again to enable the spring self-locking switch button to be upwards bounced to reset, and at the moment, the elastic deformation portion drives the arc-shaped friction plate to upwards separate from the pulley.
Further, the reset spring is sleeved outside the transmission rod, an outer flange is arranged at the upper end of the transmission rod, one end of the reset spring abuts against the bottom of the outer flange, the other end of the reset spring abuts against the mounting plate, and the reset spring drives the transmission rod to reset upwards and reset rapidly during unlocking.
Furthermore, the brake block with arc friction disc integrated into one piece, the brake block is the rubber material, and frictional force is big, and braking effect is good.
Furthermore, the pulleys comprise a first front pulley and a second front pulley, and the pulley braking devices are provided with two groups and are respectively arranged above the first front pulley and the second front pulley; can brake one pulley independently, and is convenient to use.
(III) advantageous effects
The chair with the pulley brake device is provided with the pulley brake device, so that the pulley can be braked and unlocked, the positioning is stable, and the operation is convenient; the brake is prevented from being unlocked by mistake, and the use is safe and reliable; the structure is simple, and the production cost is low; the brake pad and the arc-shaped friction plate are integrally formed, and the brake pad is made of rubber, so that the friction force is large, and the braking effect is good; the mounting plate is provided with a through groove for mounting the transmission rod, one end of the transmission rod penetrates through the through groove, and the transmission rod can slide up and down in the through groove and slide smoothly; the mounting plate and the brake pad are fixedly mounted at the bottom of the seat base through bolts, so that the mounting plate and the brake pad are convenient to assemble and disassemble; when the unlocking is carried out, the reset spring drives the transmission rod to reset upwards, and the resetting is rapid; when the limiting device is used, the transmission rod moves downwards to enable the limiting round table to abut against the mounting plate for limiting, the limiting effect is good, and the use is reliable; the pulley braking device is provided with two groups of pulleys which are arranged above the first front pulley and the second front pulley respectively, and can brake one pulley independently, so that the use is convenient.
Drawings
FIG. 1 is a perspective view of a chair with a pulley brake according to the present invention;
FIG. 2 is a perspective view of a seat bottom with a pulley brake of the present invention;
FIG. 3 is a schematic view of the seat pulley brake apparatus with the pulley brake apparatus according to the present invention;
FIG. 4 is an exploded view of the seat pulley brake with pulley brake of the present invention;
wherein: the seat comprises a seat base 1, a pulley 2, a first front pulley 201, a second front pulley 202, a brake pad 3, an elastic deformation part 301, an arc-shaped friction plate 302, a second bolt hole 303, a transmission rod 4, a limiting circular table 401, an outer flange 402, a switch button 5, an installation groove 501, a return spring 502, an installation plate 6, a through groove 601 and a first bolt hole 602.
Detailed Description
Referring to fig. 1 to 4, the present invention provides a seat with a pulley braking device, including: the seat comprises a seat base 1, wherein a plurality of pulleys 2 are arranged at the bottom of the seat base 1, the seat base 1 is provided with a pulley brake device, the pulley brake device comprises a brake pad 3 and a transmission rod 4, the bottom of the transmission rod 4 is abutted against the brake pad 3, the brake pad 3 is provided with an elastic deformation part 301 and an arc-shaped friction plate 302 corresponding to the pulley 2, the elastic deformation part 301 is arranged at two sides of the arc-shaped friction plate 302, the arc-shaped friction plate 302 is correspondingly arranged above the pulley 2, and the seat base 1 is provided with a switch key 5 connected with the transmission rod 4; when braking, the switch button 5 is pressed to drive the arc-shaped friction plate 302 to downwards abut against the pulley 2, and the pulley 2 stops rotating through friction force; when the switch key is reset during unlocking, the elastic deformation part 301 drives the arc-shaped friction plate 302 to be separated from the pulley 2 upwards. According to the seat with the pulley brake device, when the seat is used, the transmission rod moves downwards to enable the limiting round table to abut against the mounting plate for limiting, the limiting effect is good, and the seat is reliable to use; the pulley braking devices are provided with two groups and are respectively arranged above the first front pulley and the second front pulley, one pulley can be braked independently, and the use is convenient; the pulley brake device is arranged, so that the pulley can be braked and unlocked, the positioning is stable, and the operation is convenient; the brake is prevented from being unlocked by mistake, and the use is safe and reliable; the structure is simple, and the production cost is low; the brake pad and the arc-shaped friction plate are integrally formed, and the brake pad is made of rubber, so that the friction force is large, and the braking effect is good; the mounting plate is provided with a through groove for mounting the transmission rod, one end of the transmission rod penetrates through the through groove, and the transmission rod can slide up and down in the through groove and slide smoothly; the mounting plate and the brake pad are fixedly mounted at the bottom of the seat base through bolts, so that the mounting plate and the brake pad are convenient to assemble and disassemble; when the unlocking is carried out, the reset spring drives the transmission rod to reset upwards, and the resetting is rapid.
Referring to fig. 3 and 4, the transmission rod 4 is disposed below the switch key 5, and the switch key 5 is provided with an installation groove 501 for installing the transmission rod 4, so that the installation is stable; the switch key 5 is pressed to drive the transmission rod 4 to move downwards, so that the transmission is convenient.
Referring to fig. 1, 3 and 4, the seat base 1 is fixedly provided with a mounting plate 6, and the brake pad 3 is fixedly arranged at the bottom of the mounting plate 6, so that the installation is stable. The mounting plate 6 is provided with a through groove 601 for mounting the transmission rod 4, one end of the transmission rod 4 penetrates through the through groove 601, and the transmission rod 4 can slide up and down in the through groove 601 smoothly. Mounting panel 6, brake block 3 pass through bolt fixed mounting in seat base 1 bottom, and mounting panel 6 is equipped with and is used for first bolt hole 602, and brake block 3 is equipped with second bolt hole 303, easy dismounting, and assembly cost is low. The transmission rod 4 is provided with a limiting round table 401 corresponding to the mounting plate 6, and when the transmission rod 4 is used, the transmission rod 4 moves downwards to enable the limiting round table 401 to abut against the mounting plate 6 for limiting, so that the limiting effect is good, and the use is reliable.
Referring to fig. 3 and 4, the switch key 5 is a spring self-locking switch key, which is reliable in use and prevents mistaken unlocking; the spring self-locking switch key is provided with a return spring 502, so that the return is flexible. When braking, the spring self-locking switch button is pressed down once and self-locked, and the arc-shaped friction plate 302 is driven to downwards abut against the pulley 2 through the transmission rod; when unlocking, the spring self-locking switch button is pressed again, so that the spring self-locking switch button is bounced upwards to reset, and at the moment, the elastic deformation part 301 drives the arc-shaped friction plate 302 to be separated from the pulley 2 upwards. The reset spring 502 is sleeved on the outer side of the transmission rod 4, the outer flange 402 is arranged at the upper end of the transmission rod 4, one end of the reset spring 502 abuts against the bottom of the outer flange 402, the other end of the reset spring 502 abuts against the mounting plate 6, and the reset spring 502 drives the transmission rod 4 to reset upwards during unlocking, so that resetting is rapid.
Referring to fig. 1, 2 and 4, the brake pad 3 and the arc-shaped friction plate 302 are integrally formed, and the brake pad 3 is made of rubber, so that the friction force is large and the braking effect is good. The pulley 2 comprises a first front pulley 201 and a second front pulley 202, and two groups of pulley braking devices are arranged above the first front pulley 201 and the second front pulley 202 respectively; can brake one pulley independently, and is convenient to use.
According to the seat with the pulley brake device, the reset spring drives the transmission rod to reset upwards during unlocking, so that the reset is rapid; when the limiting device is used, the transmission rod moves downwards to enable the limiting round table to abut against the mounting plate for limiting, the limiting effect is good, and the use is reliable; the pulley braking devices are provided with two groups and are respectively arranged above the first front pulley and the second front pulley, one pulley can be braked independently, and the use is convenient; the pulley brake device is arranged, so that the pulley can be braked and unlocked, the positioning is stable, and the operation is convenient; the brake is prevented from being unlocked by mistake, and the use is safe and reliable; the structure is simple, and the production cost is low; the brake pad and the arc-shaped friction plate are integrally formed, and the brake pad is made of rubber, so that the friction force is large, and the braking effect is good; the mounting plate is provided with a through groove for mounting the transmission rod, one end of the transmission rod penetrates through the through groove, and the transmission rod can slide up and down in the through groove and slide smoothly; the mounting plate and the brake pad are fixedly mounted at the bottom of the seat base through bolts, and are convenient to disassemble and assemble.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (10)
1. A seat with a pulley brake comprising: the seat base (1) is characterized in that a plurality of pulleys (2) are arranged at the bottom of the seat base (1), the seat base (1) is provided with a pulley brake device, the pulley brake device comprises a brake block (3) and a transmission rod (4), the bottom of the transmission rod (4) is abutted against the brake block (3), the brake block (3) is provided with an elastic deformation part (301) and arc-shaped friction plates (302) corresponding to the pulleys (2), the elastic deformation part (301) is arranged on two sides of each arc-shaped friction plate (302), the arc-shaped friction plates (302) are correspondingly arranged above the pulleys (2), and the seat base (1) is provided with a switch key (5) connected with the transmission rod (4); when the brake is carried out, the switch key (5) is pressed to drive the arc-shaped friction plate (302) to prop against the pulley (2); when the pulley is unlocked, the elastic deformation part (301) drives the arc-shaped friction plate (302) to be separated from the pulley (2).
2. The seat with a pulley brake device according to claim 1, characterized in that the transmission rod (4) is disposed below the switch button (5), and the switch button (5) is provided with a mounting groove (501) for mounting the transmission rod (4).
3. The seat with the pulley brake device of claim 1, characterized in that the seat base (1) is fixedly provided with a mounting plate (6), and the brake pad (3) is fixedly arranged at the bottom of the mounting plate (6).
4. A seat with a pulley brake according to claim 3, characterized in that the mounting plate (6) is provided with a through slot (601) for mounting the transmission rod (4), one end of the transmission rod (4) passing through the through slot (601).
5. The seat with a pulley brake device according to claim 3, characterized in that the mounting plate (6) and the brake block (3) are fixedly mounted at the bottom of the seat base (1) through bolts, the mounting plate (6) is provided with a first bolt hole (602), and the brake block (3) is provided with a second bolt hole (303).
6. A seat with a pulley brake according to claim 3, characterized in that the driving rod (4) is provided with a limiting truncated cone (401) corresponding to the mounting plate (6), and in use the driving rod (4) moves downwards to limit the limiting truncated cone (401) against the mounting plate (6).
7. Seat with pulley brake according to claim 3, characterized in that said switch button (5) is a spring self-locking switch button provided with a return spring (502).
8. The seat with the pulley brake device according to claim 7, characterized in that the return spring (502) is sleeved outside the transmission rod (4), an outer flange (402) is arranged at the upper end of the transmission rod (4), one end of the return spring (502) abuts against the bottom of the outer flange (402), and the other end of the return spring (502) abuts against the mounting plate (6).
9. The seat with a pulley brake device according to claim 1, characterized in that the brake pad (3) is integrally formed with the arc-shaped friction plate (302), and the brake pad (3) is made of rubber.
10. The seat with a pulley brake according to claim 1, characterized in that the pulley (2) comprises a first front pulley (201) and a second front pulley (202), and the pulley brake is provided in two sets and is disposed above the first front pulley (201) and the second front pulley (202), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122077797.3U CN215604500U (en) | 2021-08-31 | 2021-08-31 | Seat with pulley brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122077797.3U CN215604500U (en) | 2021-08-31 | 2021-08-31 | Seat with pulley brake device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215604500U true CN215604500U (en) | 2022-01-25 |
Family
ID=79904553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122077797.3U Active CN215604500U (en) | 2021-08-31 | 2021-08-31 | Seat with pulley brake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215604500U (en) |
-
2021
- 2021-08-31 CN CN202122077797.3U patent/CN215604500U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4531731A (en) | Gymnastic equipment | |
| US10836419B2 (en) | Stroller | |
| US4556229A (en) | Stair-climbing apparatus for wheelchair | |
| US8177297B2 (en) | High chair | |
| WO2019134503A1 (en) | Rotation mechanism for child safety seat | |
| CN215604500U (en) | Seat with pulley brake device | |
| CN111202661B (en) | Multifunctional medical auxiliary walking anti-falling device | |
| US4586746A (en) | Child's seat | |
| CN215650198U (en) | Seat with pulley brake device | |
| CN215604501U (en) | Seat with pulley brake device | |
| CN215423705U (en) | Seat with pulley brake device | |
| CN215423778U (en) | Seat with pulley brake device | |
| CN211567741U (en) | Child safety seat | |
| TWM628933U (en) | Braking mechanism and baby carriage | |
| CN114789682A (en) | Seat rotating mechanism and child safety seat | |
| CN111904210B (en) | Children height increasing chair | |
| CN216776566U (en) | Simple positioning device for seat | |
| CN220884131U (en) | Child safety seat base and chair back separating mechanism | |
| AU2008100468A4 (en) | Chair | |
| CN114392066B (en) | Scooter convenient to disassemble and transport and disassembly and transport method | |
| CN218112747U (en) | Baby carriage | |
| CN212637630U (en) | Brake mechanism of baby carriage and baby carriage | |
| CN214112662U (en) | Multifunctional brake system | |
| CN214433205U (en) | Children dining chair | |
| CN211543323U (en) | Unlocking device of ISOFIX ejection mechanism of HB-18 seat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |