CN210416086U - Caster structure of baby walker - Google Patents
Caster structure of baby walker Download PDFInfo
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- CN210416086U CN210416086U CN201921200059.XU CN201921200059U CN210416086U CN 210416086 U CN210416086 U CN 210416086U CN 201921200059 U CN201921200059 U CN 201921200059U CN 210416086 U CN210416086 U CN 210416086U
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- pulley
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Abstract
The utility model relates to a truckle structure of walker, the truckle is including casing, first pulley, second pulley and the locking device who is used for connecting the chassis, the casing is opened there is the installation cavity, the second pulley is provided with the pivot, first pulley sets up in casing one side, and the second pulley sets up at the casing opposite side, and the installation cavity that the casing was passed in the pivot of second pulley connects the second pulley, and first pulley and second pulley use the pivot to rotate as rotation center, locking device includes knob and nut, the nut sets up on the second pulley, the knob tip is provided with the bolt, and the bolt passes first pulley, casing and second pulley coupling nut, the knob is rotatory, and the tight degree of clamp of the tight casing of knob control first pulley and second pulley clamp. The trundle can be controlled to act by controlling the knob, and the operation is very simple.
Description
Technical Field
The utility model relates to a walker, in particular to a caster structure of a walker.
Background
The baby walker is a tool for a baby to learn walking in a small time, the existing baby walker comprises a top plate, a supporting arm, a chassis and trundles, wherein one end of the supporting arm is connected with the top plate, the other end of the supporting arm is connected with the chassis, and the trundles are arranged on the chassis.
The truckle of current walker also appears adopting the truckle of taking brake function, through being provided with pedal in truckle department, when the user need lock the truckle, the user steps on and presses pedal, and pedal restriction truckle rotates to avoid the walker to remove, the baby can be sat and play in the walker this moment, and when the baby need walk, the user stepped on and presses pedal, and the truckle is loosened in pedal, and the truckle can rotate, and the baby removes this moment and drives the walker and slide.
Because the baby walker is used by a baby, the baby walker is generally small in size, and if a user treads the pedals to control the casters to move or stop, the accommodating part is accommodated in the treading process to cause the baby walker to turn or tilt, so that the baby walker is easy to damage.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple structure, through the rotation of knob control truckle or static, easy operation's walker truckle structure.
The purpose of the utility model is realized like this:
the utility model provides a truckle structure of walker, the truckle is including casing, first pulley, second pulley and the locking device who is used for connecting the chassis, the casing is opened there is the installation cavity, the second pulley is provided with the pivot, first pulley setting is in casing one side, and the second pulley setting is at the casing opposite side, and the installation cavity that the pivot of second pulley passed the casing connects the second pulley, and first pulley and second pulley use the pivot to rotate as rotation center, locking device includes knob and nut, the nut sets up on the second pulley, the knob tip is provided with the bolt, and the bolt passes first pulley, casing and second pulley coupling nut, the knob is rotatory, and the tight degree of clamp of tight casing of knob control first pulley and second pulley. Thereby the user presss from both sides tight degree of tight casing through the locking degree control first pulley of rotatory knob control bolt and nut and second pulley, when the tight degree of clamp of first pulley and second pulley is lower, first pulley and second pulley use the pivot to rotate as rotation center, realize the truckle and rotate, when the tight degree of clamp of first pulley and second pulley is higher, lead to first pulley, frictional force between second pulley and the casing is great, first pulley and the unable rotation of second pulley, realize the truckle stops, can control the truckle action through control knob, the operation is very simple.
The purpose of the utility model can also adopt the following technical measures to solve:
as a more specific scheme, a first mounting opening is formed in the outer side wall of the first pulley, the knob abuts against the first mounting opening, and the bolt penetrates through the first pulley, the shell and the second pulley along the first mounting opening to be connected with the nut.
As more specific scheme, the second pulley lateral wall is opened there is the second installing port, and the second pulley inside wall sets up the pivot, second installing port and pivot inner chamber intercommunication, pivot inner wall interval is provided with the spacer, nut outer wall interval is opened there is the constant head tank, the pivot inner chamber is arranged in to the nut, and in the spacer inserted the constant head tank, the nut card was put at the pivot inner chamber. The pivot inner chamber is arranged in to the nut, and in the constant head tank was inserted to the spacer, the nut card was put at the pivot inner chamber to avoid the bolt rotatory at rotatory in-process drive nut, avoid appearing the condition of idle running, user experience effect is better.
As a more specific scheme, a spring is arranged in the inner cavity of the rotating shaft, the spring is sleeved on the bolt, the first end of the spring abuts against the inner wall of the rotating shaft, and the other end of the spring abuts against the nut. When the bolt locks the nut, the nut compression spring moves towards the inner cavity of the rotating shaft, the bolt clamps the first pulley, the nut clamps the second pulley, the first pulley and the second pulley cannot rotate, when the bolt loosens the nut, the spring resets, the spring pushes the nut to move outwards the rotating shaft, the bolt loosens the first pulley, the nut loosens the second pulley, and the first pulley and the second pulley rotate by taking the rotating shaft as a rotating center.
As a more specific scheme, the decorative cover is further included, clamping grooves are formed in the inner wall of the second mounting opening at intervals, protrusions are arranged on the outer wall of the decorative cover at intervals, the decorative cover is arranged in the second mounting opening, the protrusions are inserted into the clamping grooves to be clamped, and the decorative cover is clamped on the second mounting opening. Through being provided with the dress trim cover, the dress trim cover shelters from the nut, makes the appearance of truckle more pleasing to the eye.
More specifically, the upper end of the housing is an insertion portion for facilitating insertion into the chassis.
As a more specific scheme, a jack is formed in the position of the first mounting opening, elastic clamping jaws are arranged on the periphery of the jack at intervals, the bolt is provided with a limiting ring, the bolt penetrates through the jack and is inserted into the second pulley, the limiting ring abuts against the outside of the elastic clamping jaws, and the bolt is limited on the first pulley. Because the bolt is restricted on first pulley to when avoiding the user to rotate the knob, outside the first pulley was extracted to the knob, improve the safety in utilization of truckle, user experience is better.
The utility model has the advantages as follows:
the utility model discloses, thereby the user presss from both sides tight casing's tight degree of clamp through the locking degree control first pulley of rotatory knob control bolt and nut and second pulley, when the tight degree of clamp of first pulley and second pulley is lower, first pulley and second pulley use the pivot rotatory as rotation center, realize the truckle and rotate, when the tight degree of clamp of first pulley and second pulley is higher, lead to first pulley, frictional force between second pulley and the casing is great, first pulley and the unable rotation of second pulley, realize the truckle and stop, can control the truckle action through control knob, the operation is very simple.
The utility model discloses, the pivot inner chamber is arranged in to the nut, and in the constant head tank was inserted to the spacer, the nut card was put at the pivot inner chamber to it is rotatory at rotatory process drive nut to avoid appearing the idle condition, and user experience effect is better.
The utility model discloses, still include the dress trim cover, second installing port inner wall spaced apart has the draw-in groove, and dress trim cover outer wall interval is provided with the arch, in the second installing port was arranged in to the dress trim cover, the arch was inserted the interior chucking of draw-in groove, and the dress trim cover card was put on the second installing port. Through being provided with the dress trim cover, the dress trim cover shelters from the nut, makes the appearance of truckle more pleasing to the eye.
Drawings
Fig. 1 is a schematic view of a walker.
Figure 2 is a top view of the walker.
Fig. 3 is a sectional view a-a of fig. 2.
Fig. 4 is an assembly view of the walker.
Fig. 5 is a schematic view of the caster of the present invention.
Fig. 6 is an exploded view of the caster of the present invention.
Fig. 7 is an exploded view of another angle caster of the present invention.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
embodiment, as shown in fig. 1 to 7, a walker comprises a top plate 1, a supporting arm 2, a chassis 3, casters 4 and a decorative cover 74, wherein one end of the supporting arm 2 is connected with the top plate 1, the other end of the supporting arm 2 is connected with the chassis 3, and a caster mounting cavity 31 is formed below the chassis 3.
The caster 4 comprises a housing 5, a first pulley 6, a second pulley 7 and a locking device, wherein the upper end of the housing 5 is provided with an insertion part 51 for facilitating the insertion of the caster installation cavity 31, and the housing 5 is provided with an installation cavity 52.
The outer side wall of the first pulley 6 is provided with a first mounting hole 61, the position of the first mounting hole 61 is provided with a jack 62, the periphery of the jack 62 is provided with elastic claws 63 at intervals, the outer side wall of the second pulley 7 is provided with a second mounting hole 71, the inner side wall of the second pulley 7 is provided with a rotating shaft 72, and the inner cavity of the rotating shaft 72 is communicated with the second mounting hole 71.
The first pulley 6 is arranged on one side of the shell 5, the second pulley 7 is arranged on the other side of the shell 5, a rotating shaft 72 of the second pulley 7 penetrates through the mounting cavity 52 of the shell 5 to be connected with the first pulley 6, and the first pulley 6 and the second pulley 7 rotate by taking the rotating shaft 72 as a rotating center.
Locking device includes knob 8 and nut 9, the pivot 72 inner wall interval of second pulley 7 is provided with spacer 721, the interval division of nut 9 outer wall has constant head tank 91, pivot 72 inner chamber is arranged in to nut 9, and in the spacer 721 of pivot 72 inner chamber inserted the constant head tank 91 of nut 9, the nut 9 card was put in pivot 72, still is provided with spring 10 in the pivot 72 in addition, spring 10 one end is supported and is leaned on in pivot 72 inner wall, and the spring 10 other end is supported and is leaned on nut 9, avoids nut 9 not hard up.
The inner wall of the second mounting opening 71 of the second pulley 7 is provided with clamping grooves 73 at intervals, the outer wall of the decorative cover 74 is provided with protrusions 741 at intervals, the decorative cover 74 is arranged in the second mounting opening 71, the protrusions 741 are inserted into the clamping grooves 73 to be clamped, and the decorative cover 74 is clamped on the second mounting opening 71 to shield the nut 9.
The knob 8 is abutted against the first mounting hole 61, the end of the knob 8 is provided with a bolt 81, the bolt 81 is provided with a limiting ring 811, the bolt 81 passes through the jack 62 along the first mounting hole 61, the limiting ring 811 is abutted against the outside of the elastic claw 63, the bolt 81 is limited on the first pulley 6, the other end of the bolt 81 passes through the first pulley 6, the shell 5 and the second pulley 7 connecting nut 9, the knob 8 controls the bolt 81 to rotate, and the bolt 81 locks the nut 9, so that the clamping degree of the first pulley 6 and the second pulley 7 clamping the shell 5 is controlled.
The working principle is as follows:
the caster 4 can be attached by inserting the insertion portion 51 of the caster 4 into the caster mounting cavity 31 of the chassis 3. The user rotates knob 8, and knob 8 drives bolt 81 and rotates, makes bolt 81 leave nut 9 gradually, reduces the locking degree of bolt 81 and nut 9 to reduce the tight degree of first pulley 6 and second pulley 7 to casing 5, first pulley 6 and second pulley 7 use pivot 72 as rotation center rotatory, realize that truckle 4 rotates.
The user rotates knob 8, and knob 8 drives bolt 81 and rotates, makes bolt 81 lock nut 9 gradually, improves the locking degree of bolt 81 and nut 9 to strengthen the tight degree of first pulley 6 and second pulley 7 to casing 5, realize that first pulley 6, casing 5 and second pulley 7 hug closely together, first pulley 6 and second pulley 7 can't use pivot 72 to be rotatory as rotation center, realize that truckle 4 is static.
Claims (7)
1. The utility model provides a truckle structure of walker which characterized in that: the truckle is including casing, first pulley, second pulley and the locking device who is used for connecting the chassis, the casing is opened there is the installation cavity, the second pulley is provided with the pivot, first pulley setting is in casing one side, and the second pulley setting is at the casing opposite side, and the installation cavity that the casing was passed in the pivot of second pulley connects the second pulley, and first pulley and second pulley use the pivot to rotate as rotation center, locking device includes knob and nut, the nut sets up on the second pulley, the knob tip is provided with the bolt, and first pulley, casing and second pulley coupling nut are passed to the bolt, the knob is rotatory, and the tight degree of clamp of the tight casing of knob control first pulley and second pulley.
2. The walker's caster structure as claimed in claim 1, wherein: the outer side wall of the first pulley is provided with a first mounting opening, the knob is abutted against the first mounting opening, and the bolt penetrates through the first pulley, the shell and the second pulley along the first mounting opening to be connected with the nut.
3. The walker's caster structure as claimed in claim 2, wherein: the second pulley lateral wall is opened there is the second installing port, and the second pulley inside wall sets up the pivot, second installing port and pivot inner chamber intercommunication, pivot inner wall interval is provided with the spacer, nut outer wall interval is opened there is the constant head tank, the pivot inner chamber is arranged in to the nut, and the spacer inserts in the constant head tank, and the nut card is put at the pivot inner chamber.
4. The walker's caster structure as claimed in claim 3, wherein: the inner cavity of the rotating shaft is provided with a spring, the spring is sleeved on the bolt, the first end of the spring abuts against the inner wall of the rotating shaft, and the other end of the spring abuts against the nut.
5. The walker's caster structure as claimed in claim 3, wherein: still include the dress trim cover, second installing port inner wall interval division has the draw-in groove, and dress trim cover outer wall interval is provided with the arch, in the second installing port was arranged in to the dress trim cover, the arch was inserted the interior chucking of draw-in groove, and the dress trim cover card is put on the second installing port.
6. The walker's caster structure as claimed in claim 1, wherein: the upper end of the housing is an insertion portion for facilitating insertion into the chassis.
7. The walker's caster structure as claimed in claim 2, wherein: the first mounting hole is provided with an insertion hole, elastic clamping jaws are arranged on the periphery of the insertion hole at intervals, the bolt is provided with a limiting ring, the bolt penetrates through the insertion hole to be inserted into the second pulley, the limiting ring is abutted against the outside of the elastic clamping jaws, and the bolt is limited on the first pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921200059.XU CN210416086U (en) | 2019-07-26 | 2019-07-26 | Caster structure of baby walker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921200059.XU CN210416086U (en) | 2019-07-26 | 2019-07-26 | Caster structure of baby walker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210416086U true CN210416086U (en) | 2020-04-28 |
Family
ID=70383334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921200059.XU Active CN210416086U (en) | 2019-07-26 | 2019-07-26 | Caster structure of baby walker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210416086U (en) |
-
2019
- 2019-07-26 CN CN201921200059.XU patent/CN210416086U/en active Active
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