CN215423705U - Seat with pulley brake device - Google Patents
Seat with pulley brake device Download PDFInfo
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- CN215423705U CN215423705U CN202122077799.2U CN202122077799U CN215423705U CN 215423705 U CN215423705 U CN 215423705U CN 202122077799 U CN202122077799 U CN 202122077799U CN 215423705 U CN215423705 U CN 215423705U
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- seat
- pulley
- positioning rod
- positioning
- switch button
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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 transmission part, a positioning rod and a positioning groove corresponding to the positioning rod, the transmission part is provided with a first inclined surface, the positioning rod is provided with a second inclined surface corresponding to the first inclined surface, the positioning groove is formed in one side, close to the positioning rod, of the pulley, the positioning rod is provided with an elastic reset piece, the seat base is provided with a switch button, and the transmission part is arranged at the bottom of the switch button; and one end of the positioning rod is correspondingly clamped with the positioning groove during locking. The seat with the pulley brake device has the advantages of simple structure and low production cost; the pulley brake device is arranged, so that the pulley can be braked and unlocked, the positioning is stable, and the operation is convenient; prevent the brake from unlocking by mistake, and is safe and reliable to use.
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 the seat with the pulley brake device, which has a simple structure and is low in production cost; the pulley brake device is arranged, so that the pulley can be braked and unlocked, the positioning is stable, and the operation is convenient; prevent the brake from unlocking by mistake, and is safe and reliable to use.
(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 transmission part, a positioning rod and a positioning groove corresponding to the positioning rod, the transmission part is provided with a first inclined surface, the positioning rod is provided with a second inclined surface corresponding to the first inclined surface, the positioning groove is formed in one side, close to the positioning rod, of the pulley, and the positioning rod is provided with an elastic resetting piece, so that the resetting is flexible; the seat base is provided with a switch button, and the transmission part is arranged at the bottom of the switch button; one end of the positioning rod is correspondingly clamped with the positioning groove during locking; when the switch button is pressed during unlocking, the positioning rod is separated from the positioning groove to one side under the action of the elastic reset piece. When the brake is locked again, the switch button is pressed to drive the transmission part to move downwards, so that the first inclined surface extrudes the second inclined surface, the positioning rod is driven to move towards one side and is correspondingly clamped with the positioning groove, the operation is convenient, and the positioning is stable.
According to the seat with the pulley brake device, the compression spring is sleeved on the mounting column and is stably mounted; the structure is simple, and the production cost is low; 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 positioning grooves are annularly and equidistantly arranged on one side of the pulley, and the positioning rods are clamped with the positioning grooves for positioning during braking, so that the function of braking at any time is achieved, the braking is convenient, and the use is reliable; when the brake is locked, the switch button is pressed to drive the positioning rod to move to one side and be correspondingly clamped with the positioning groove, so that the operation is convenient, and the positioning is stable; the mounting plate is provided with a through groove for mounting the positioning rod, and one end of the positioning rod penetrates through the through groove; the positioning rod is a cylindrical rod and is stably installed; an installation sleeve is fixedly arranged at one end of the positioning rod, which is far away from the pulley, and a second inclined plane is arranged on the installation sleeve, so that the transmission effect is good; one end of the elastic reset piece is abutted against the switch seat, and the other end of the elastic reset piece is abutted against the mounting sleeve; the elastic reset piece is a spring, so that the use cost is low and the reset is flexible.
Further, the constant head tank is equipped with a plurality ofly, and a plurality of constant head tank annular is equidistant to be set up pulley one side, during the brake the locating lever with the constant head tank block is fixed a position, reaches the function of braking at any time, and the brake is convenient, uses reliably.
Furthermore, a mounting plate is fixedly arranged at the bottom of the seat base, the mounting plate is provided with a through groove for mounting the positioning rod, and one end of the positioning rod penetrates through the through groove; the locating lever is the cylinder pole, and the locating lever installation is firm.
Furthermore, the locating rod is far away from pulley one end is fixedly provided with the installation cover, the second inclined plane sets up on the installation cover, and transmission effect is good.
Furthermore, the seat base is provided with a switch seat for mounting the switch button, the elastic resetting piece is sleeved on the positioning rod, one end of the elastic resetting piece abuts against the switch seat, and the other end of the elastic resetting piece abuts against the mounting sleeve; the elastic reset piece is a spring, so that the use cost is low and the reset is flexible.
Furthermore, the switch button is installed for articulated formula on the seat base, the driving medium sets up for integrated into one piece the driving plate of switch button bottom. The driving plate is provided with a bending part, the driving plate is provided with a first abutting plane, and the positioning rod is provided with a second abutting plane corresponding to the first abutting plane. The switch button is pressed during braking, so that the first abutting surface is correspondingly abutted against the second abutting surface, a positioning effect is achieved, and the mistaken unlocking of the brake is prevented.
Furthermore, the transmission part is a transmission block, the transmission block is in an inverted triangle shape, the bottom of the switch key is abutted against the transmission block, and the transmission effect is good.
Furthermore, the switch key is a spring self-locking switch key, the switch key is provided with a compression spring, one end of the compression spring is abutted against the switch key, and the other end of the compression spring is abutted against the transmission block. The spring self-locking switch button can be positioned in a self-locking mode after being pressed down once, and is pressed down again to be unlocked in an upward bouncing mode after being pressed down once, so that the use effect is good, and the operation is convenient and labor-saving.
Furthermore, the upper end of the transmission block is provided with a mounting column, the compression spring is sleeved on the mounting column, and the compression spring is stably mounted.
(III) advantageous effects
The seat with the pulley brake device has the advantages of simple structure and low production cost; 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 positioning grooves are annularly and equidistantly arranged on one side of the pulley, and the positioning rods are clamped with the positioning grooves for positioning during braking, so that the function of braking at any time is achieved, the braking is convenient, and the use is reliable; when the brake is locked, the switch button is pressed to drive the positioning rod to move to one side and be correspondingly clamped with the positioning groove, so that the operation is convenient, and the positioning is stable; the mounting plate is provided with a through groove for mounting the positioning rod, and one end of the positioning rod penetrates through the through groove; the positioning rod is a cylindrical rod and is stably installed; an installation sleeve is fixedly arranged at one end of the positioning rod, which is far away from the pulley, and a second inclined plane is arranged on the installation sleeve, so that the transmission effect is good; one end of the elastic reset piece is abutted against the switch seat, and the other end of the elastic reset piece is abutted against the mounting sleeve; the elastic reset piece is a spring, so that the use cost is low and the reset is flexible; the compression spring is sleeved on the mounting column and is stably mounted.
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 the seat pulley brake of the present invention with a pulley brake;
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 a schematic view of the structure of a portion of a seat positioning rod of the pulley brake apparatus of the present invention;
FIG. 5 is a schematic structural view of a seat mounting plate with a pulley brake apparatus according to the present invention;
FIG. 6 is a schematic structural view of a seat switch button with a pulley braking device according to the present invention;
FIG. 7 is a perspective view of a second embodiment of a seat with a pulley brake of the present invention;
FIG. 8 is a perspective view of a second pulley brake of the seat embodiment with a pulley brake of the present invention;
FIG. 9 is a schematic view of a second embodiment of the pulley brake assembly of the chair of the present invention;
FIG. 10 is a schematic structural view of a positioning rod of a second embodiment of the seat with a pulley brake apparatus according to the present invention;
wherein: 1 is seat base, 2 is the pulley, 3 is the locating lever, 301 is the installation cover, 4 is the constant head tank, 5 is first inclined plane, 6 is the second inclined plane, 7 is the elasticity piece that resets, 8 is the switch button, 801 is the switch seat, 802 is compression spring, 9 is the mounting panel, 901 is for leading to the groove, 10 is the driving plate, 11 is the portion of bending, 12 is the first plane of leaning on, 13 is the second plane of leaning on, 14 is the transmission piece, 15 is the erection column.
Detailed Description
The first embodiment is as follows:
referring to fig. 1 to 6, a seat with a pulley braking device according to an embodiment of the present invention includes: 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 braking device, the pulley braking device comprises a transmission part, a positioning rod 3 and a positioning groove 4 corresponding to the positioning rod 3, the transmission part is provided with a first inclined surface 5, the positioning rod 3 is provided with a second inclined surface 6 corresponding to the first inclined surface 5, the positioning groove 4 is arranged on one side, close to the positioning rod 3, of the pulley 2, and the positioning rod 3 is provided with an elastic resetting piece 7, so that the resetting is flexible; the seat base 1 is provided with a switch button 8, and the transmission part is arranged at the bottom of the switch button 8; one end of the positioning rod 3 is correspondingly clamped with the positioning groove 4 during locking; when the unlocking is carried out, the switch button 8 is pressed, and the positioning rod 3 is separated from the positioning groove 4 towards one side under the action of the elastic resetting piece 7. When the brake locking once more, press switch button 8, drive the driving medium and move down, make first inclined plane 5 extrude second inclined plane 6 to drive locating lever 3 to one side motion and correspond the block with constant head tank 4, convenient operation, the location is stable. According to the seat with the pulley brake device, one end of the elastic reset piece abuts against the switch seat, and the other end of the elastic reset piece abuts against the mounting sleeve; the elastic reset piece is a spring, so that the use cost is low and the reset is flexible; the compression spring is sleeved on the mounting column and is stably mounted; the structure is simple, and the production cost is low; 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 positioning grooves are annularly and equidistantly arranged on one side of the pulley, and the positioning rods are clamped with the positioning grooves for positioning during braking, so that the function of braking at any time is achieved, the braking is convenient, and the use is reliable; when the brake is locked, the switch button is pressed to drive the positioning rod to move to one side and be clamped with the positioning groove correspondingly, so that the operation is convenient, and the positioning is stable.
Referring to fig. 2-5, the positioning grooves 4 are provided in a plurality, the positioning grooves 4 are annularly arranged on one side of the pulley 2 at equal intervals, the positioning rod 3 is clamped with the positioning grooves 4 to position during braking, the function of braking at any time is achieved, braking is convenient, and use is reliable. The bottom of the seat base 1 is fixedly provided with a mounting plate 9, the mounting plate 9 is provided with a through groove 901 for mounting the positioning rod 3, and one end of the positioning rod 3 penetrates through the through groove 901; the locating lever 3 is a cylindrical rod, and the locating lever is installed stably. The locating lever 3 is kept away from 2 one ends of pulley and is fixedly provided with installation cover 301, and second inclined plane 6 sets up on installation cover 301, and transmission effect is good.
Referring to fig. 1 and 2, the seat base 1 is provided with a switch seat 801 for mounting the switch button 8, the elastic reset piece 7 is sleeved on the positioning rod 3, one end of the elastic reset piece 7 abuts against the switch seat 801, and the other end of the elastic reset piece 7 abuts against the mounting sleeve 301; the elastic reset piece 7 is a spring, so that the use cost is low and the reset is flexible.
Referring to fig. 2, 3, 4 and 6, the switch button 8 is hinged to the seat base 1, and the transmission member is a transmission plate 10 integrally formed at the bottom of the switch button 8. The driving plate 10 is provided with a bending part 11, the driving plate 10 is provided with a first abutting plane 12, and the positioning rod 3 is provided with a second abutting plane 13 corresponding to the first abutting plane 12. When braking, the switch key is pressed, so that the first abutting plane 12 is correspondingly abutted against the second abutting plane 13, a positioning effect is achieved, and the mistaken unlocking of the brake is prevented.
Example two:
referring to fig. 7 to 10, the second embodiment is different from the first embodiment in that: the driving medium is transmission piece 14, and transmission piece 14 is the triangle-shaped of falling, and switch button 8 bottom supports and leans on transmission piece 14, and transmission effect is good. The switch button 8 is a spring self-locking switch button, the switch button 8 is provided with a compression spring 802, one end of the compression spring 802 abuts against the switch button 8, and the other end of the compression spring 802 abuts against the transmission block 14. The spring self-locking switch button can be positioned in a self-locking mode after being pressed down once, and can be unlocked in an upward bouncing mode after being pressed down again, so that the use effect is good, and the operation is convenient and labor-saving. The upper end of the transmission block 14 is provided with a mounting post 15, the compression spring 802 is sleeved on the mounting post 15, and the compression spring 802 is stably mounted.
According to the seat with the pulley brake device, the mounting sleeve is fixedly arranged at one end, away from the pulley, of the positioning rod, the second inclined plane is arranged on the mounting sleeve, and the transmission effect is good; one end of the elastic reset piece is abutted against the switch seat, and the other end of the elastic reset piece is abutted against the mounting sleeve; the elastic reset piece is a spring, so that the use cost is low and the reset is flexible; the compression spring is sleeved on the mounting column and is stably mounted; the structure is simple, and the production cost is low; 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 positioning grooves are annularly and equidistantly arranged on one side of the pulley, and the positioning rods are clamped with the positioning grooves for positioning during braking, so that the function of braking at any time is achieved, the braking is convenient, and the use is reliable; when the brake is locked, the switch button is pressed to drive the positioning rod to move to one side and be correspondingly clamped with the positioning groove, so that the operation is convenient, and the positioning is stable; the mounting plate is provided with a through groove for mounting the positioning rod, and one end of the positioning rod penetrates through the through groove; the locating lever is the cylinder pole, and the locating lever installation is firm.
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 transmission part, a positioning rod (3) and a positioning groove (4) corresponding to the positioning rod (3), the transmission part is provided with a first inclined surface (5), the positioning rod (3) is provided with a second inclined surface (6) corresponding to the first inclined surface (5), the positioning groove (4) is arranged on one side, close to the positioning rod (3), of the pulley (2), the positioning rod (3) is provided with an elastic reset part (7), the seat base (1) is provided with a switch button (8), and the transmission part is arranged at the bottom of the switch button (8); one end of the positioning rod (3) is correspondingly clamped with the positioning groove (4) during locking; and when unlocking, the switch key (8) is pressed to separate the positioning rod (3) from the positioning groove (4).
2. The seat with a pulley brake according to claim 1, characterized in that the positioning groove (4) is provided in plurality, and the plurality of positioning grooves (4) are annularly and equally spaced on one side of the pulley (2).
3. The seat with the pulley braking device as claimed in claim 1, wherein a mounting plate (9) is fixedly arranged at the bottom of the seat base (1), the mounting plate (9) is provided with a through groove (901) for mounting the positioning rod (3), and one end of the positioning rod (3) penetrates through the through groove (901); the positioning rod (3) is a cylindrical rod.
4. The seat with the pulley braking device as claimed in claim 1, wherein a mounting sleeve (301) is fixedly arranged at one end of the positioning rod (3) far away from the pulley (2), and the second inclined surface (6) is arranged on the mounting sleeve (301).
5. The seat with the pulley braking device according to claim 4, characterized in that the seat base (1) is provided with a switch seat (801) for mounting the switch button (8), the elastic reset piece (7) is sleeved on the positioning rod (3), one end of the elastic reset piece (7) abuts against the switch seat (801), and the other end of the elastic reset piece (7) abuts against the mounting sleeve (301); the elastic reset piece (7) is a spring.
6. The seat with a pulley brake device according to claim 1, characterized in that the switch button (8) is hinged on the seat base (1), and the transmission member is a transmission plate (10) integrally formed at the bottom of the switch button (8).
7. Seat with pulley brake according to claim 6, characterized in that said transmission plate (10) is provided with a bend (11), said transmission plate (10) is provided with a first abutment plane (12), said positioning rod (3) is provided with a second abutment plane (13) corresponding to said first abutment plane (12).
8. The seat with a pulley brake device according to claim 1, characterized in that the transmission member is a transmission block (14), the transmission block (14) has an inverted triangle shape, and the bottom of the switch button (8) abuts against the transmission block (14).
9. The seat with the pulley brake device according to claim 8, characterized in that the switch button (8) is a spring self-locking switch button, the switch button (8) is provided with a compression spring (802), one end of the compression spring (802) abuts against the switch button (8), and the other end of the compression spring (802) abuts against the transmission block (14).
10. The seat with the pulley brake device of claim 9, characterized in that the upper end of the transmission block (14) is provided with a mounting column (15), and the compression spring (802) is sleeved on the mounting column (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122077799.2U CN215423705U (en) | 2021-08-31 | 2021-08-31 | Seat with pulley brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122077799.2U CN215423705U (en) | 2021-08-31 | 2021-08-31 | Seat with pulley brake device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215423705U true CN215423705U (en) | 2022-01-07 |
Family
ID=79697698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122077799.2U Active CN215423705U (en) | 2021-08-31 | 2021-08-31 | Seat with pulley brake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215423705U (en) |
-
2021
- 2021-08-31 CN CN202122077799.2U patent/CN215423705U/en active Active
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