CN211252086U - Heavy caster - Google Patents
Heavy caster Download PDFInfo
- Publication number
- CN211252086U CN211252086U CN202020007539.0U CN202020007539U CN211252086U CN 211252086 U CN211252086 U CN 211252086U CN 202020007539 U CN202020007539 U CN 202020007539U CN 211252086 U CN211252086 U CN 211252086U
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- CN
- China
- Prior art keywords
- brake
- locking
- elastic sheet
- bracket
- roller structure
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a heavy caster, which comprises a bottom plate, an upper wave plate arranged at the lower end of the bottom plate, a plurality of first steel balls annularly arranged between the upper wave plate and the bottom plate, a bracket fixedly arranged at the lower end of the upper wave plate and connected with the upper wave plate in a linkage manner, a locking plate positioned at the lower end of the upper wave plate and connected with the bottom plate in a linkage manner through flat socket nails, a roller structure arranged at the lower end of the bracket, and a brake bracket arranged at the rear end of the bracket; a plurality of second steel balls are arranged between the locking disc and the upper wave disc, and a plurality of locking teeth extend outwards from the side surface of the locking disc; the heavy caster also comprises a brake component arranged on the brake bracket; the brake assembly comprises a brake pedal hinged to the rear end of the brake support through a first hinged shaft, and a brake elastic sheet hinged to the brake support and positioned below the brake pedal, and a limiting block capable of limiting the return action of the brake pedal is arranged on the brake support; the middle position of the brake elastic sheet is provided with a limit buckle ring for inserting the second articulated shaft so as to prevent the brake elastic sheet from sliding out.
Description
Technical Field
The utility model relates to a technical field of truckle, in particular to heavy truckle.
Background
The application of heavy truckle is very extensive, current heavy truckle generally includes the bottom plate, install in the last ripples dish of bottom plate lower extreme, install in the support of last ripples dish lower extreme, install the gyro wheel structure on the support, install the brake subassembly on the support, the brake subassembly generally includes the brake running-board that articulates on the support, articulate the brake shell fragment on the support through the articulated shaft, the articulated shaft generally presses the middle part position department of brake shell fragment and plays certain pressure solid effect to the middle part of brake shell fragment, the pivot axle can be regarded as to the articulated shaft like this, but in the in-service use, it is very limited to discover the pressure solid effect of articulated shaft to brake shell fragment, brake shell fragment in-use slides out easily, influence the normal use of truckle, influence. In addition, when the brake is released, the brake elastic sheet has resilience acting force on the brake pedal plate to enable the brake pedal plate to return, and sometimes the roller structure can be clamped by overlarge return action of the brake pedal plate, so that the normal use of the caster is influenced, and the service life of the caster is influenced.
Therefore, how to realize a novel structure reasonable, design science ingenious can ensure the normal return of brake pedal to ensure the normal use of truckle, stabilize the location to the brake shell fragment, difficult roll-off makes the product structure firm, and effective extension product life's heavy truckle is the technical problem that the urgent need to solve in the industry.
Disclosure of Invention
The utility model aims at providing a heavy truckle aims at realizing that a novel structure is reasonable, and design science is ingenious, can ensure the normal return of brake pedal to ensure the normal use of truckle, stabilize the location to the brake shell fragment, difficult roll-off makes the product structure firm, effectively prolongs product life's heavy truckle.
The utility model provides a heavy caster, which comprises a bottom plate, an upward wave plate with an upward opening, a plurality of first steel balls, a support, a locking plate, a roller structure and a brake support, wherein the upward wave plate is arranged at the lower end of the bottom plate; the upper corrugated disc is sleeved outside the flat-bottom socket nail and can rotate around the flat-bottom socket nail, the bracket rotates along with the rotation of the upper corrugated disc, a plurality of second steel balls are arranged between the locking disc and the upper corrugated disc, and a plurality of locking teeth extend outwards from the side surface of the locking disc; the heavy caster also comprises a brake component which is arranged on the brake bracket and can limit the rolling of the roller structure and the rotation of the bracket; the brake assembly comprises a brake pedal hinged to the rear end of the brake support through a first hinged shaft, and a brake elastic sheet hinged to the brake support and positioned below the brake pedal, and a limiting block capable of limiting the return action of the brake pedal is arranged on the brake support; the middle position of the brake elastic sheet is hinged on the brake bracket through a second hinged shaft, the outer side end of the brake elastic sheet is provided with a friction pressing sheet which is positioned below the brake pedal and can be pressed and fixed on the roller structure under the driving of the brake pedal so as to prevent the roller structure from rolling, the inner side end of the brake elastic sheet is provided with a locking clamping block which can be occluded and locked with the locking teeth and a locking pressing block which can be pressed on the locking teeth, the middle position of the brake elastic sheet is provided with a return elastic sheet which is positioned below the second hinged shaft and plays a return role, the middle position of the brake elastic sheet is provided with a limiting buckle ring for inserting the second hinged shaft so as to prevent the brake elastic sheet from sliding out, and the brake elastic sheet; when external force is used for treading the brake pedal, the brake pedal is pressed down to drive the friction pressing sheet of the brake elastic sheet to be pressed and fixed on the roller structure so as to prevent the roller structure from rolling, when the friction pressing sheet is pressed down to the roller structure, the locking clamping block of the brake elastic sheet moves upwards and is locked with the locking teeth in an occluded mode, meanwhile, the locking pressing block moves upwards and presses the locking teeth, and therefore the relative rotation between the locking support and the locking disc further achieves the effect of limiting the support to turn.
Preferably, the roller structure includes a connecting shaft fixed at the lower end of the bracket, a bearing sleeved outside the connecting shaft, a rotatable hub sleeved outside the bearing, and a roller sleeved outside the hub.
Preferably, the bracket is welded and fixed at the lower end of the upper wave plate.
The utility model discloses a novel structure is reasonable, and design science is ingenious, can ensure the normal return of brake pedal to ensure the normal use of truckle, stabilize the location to the brake shell fragment, difficult roll-off makes the product structure firm, effectively prolongs product life's heavy truckle.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of a heavy caster of the present invention;
fig. 2 is a second schematic perspective view of an embodiment of a heavy caster of the present invention;
fig. 3 is a schematic view of the internal structure of an embodiment of the heavy caster of the present invention, wherein the roller structure is not shown;
fig. 4 is an exploded perspective view of an embodiment of a heavy caster of the present invention;
fig. 5 is a second exploded perspective view of an embodiment of a heavy caster of the present invention;
fig. 6 is a third exploded perspective view of an embodiment of a heavy caster of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 6, an embodiment of a heavy caster according to the present invention includes a bottom plate 101, an upward wave plate 102 installed at a lower end of the bottom plate 101 and having an upward opening, a plurality of first steel balls 103 annularly installed between the upward wave plate 102 and the bottom plate 101 and allowing the bottom plate 101 and the upward wave plate 102 to rotate relatively, a bracket 104 fixedly installed at a lower end of the upward wave plate 102 and connected to the upward wave plate 102 in a linkage manner, a locking plate 106 located at a lower end of the upward wave plate 102 and connected to the bottom plate 101 in a linkage manner through a flat socket nail 105, a roller structure installed at a lower end of the bracket 104 and capable of rotating along with the rotation of the bracket 104, and a brake bracket 107 installed at a rear end of the bracket 104.
The upper wave plate 102 is sleeved outside the flat socket nail 105 and can rotate around the flat socket nail 105, the bracket 104 rotates along with the rotation of the upper wave plate 102, a plurality of second steel balls 108 are arranged between the locking plate 106 and the upper wave plate 102, and a plurality of locking teeth 109 extend outwards from the side surface of the locking plate 106.
The heavy duty caster also includes a brake assembly mounted to the brake bracket 107 and limiting the rolling motion of the roller structure and limiting the rotation of the bracket 104.
The brake assembly comprises a brake pedal 111 hinged to the rear end of the brake bracket 107 through a first hinge shaft 110, and a brake elastic sheet 112 hinged to the brake bracket 107 and located below the brake pedal 111, wherein a limiting block 113 capable of limiting the return action of the brake pedal 111 is arranged on the brake bracket 107.
The middle position of the brake elastic sheet 112 is hinged to the brake bracket 107 through a second hinge shaft 114, the outer side end of the brake elastic sheet 112 is provided with a friction pressing sheet 115 which is positioned below the brake pedal 111 and can be pressed and fixed onto the roller structure under the driving of the brake pedal 111 so as to prevent the roller structure from rolling, the inner side end of the brake elastic sheet 112 is upwards provided with a locking fixture block 116 which can be engaged and locked with the locking teeth 109 and a locking pressing block 123 which can be pressed on the locking teeth, the middle position of the brake elastic sheet 112 is provided with a return elastic sheet 117 which is positioned below the second hinge shaft 114 and has a return effect, the middle position of the brake elastic sheet 112 is provided with a limit buckle ring 118 which is used for the second hinge shaft 114 to be inserted into so as to prevent the brake elastic sheet 112 from sliding out.
When the brake pedal 111 is stepped on by external force, the brake pedal 111 presses down to drive the friction pressing sheet 115 of the brake elastic sheet 112 to press and fix on the roller structure so as to prevent the roller structure from rolling, while the friction pressing sheet 115 presses down to the roller structure, the locking block 116 of the brake elastic sheet 112 moves upwards and is occluded and locked with the locking tooth 109, and meanwhile, the locking block 123 moves upwards and presses the locking tooth 109, so that the relative rotation between the locking bracket 104 and the locking disc 106 can be locked to further achieve the effect of limiting the rotation direction of the bracket 104, at the moment, the return elastic sheet 117 is pressed, when the brake is released, the return elastic sheet 117 returns to drive the brake elastic sheet 112 to return to further drive the brake pedal 111 to return, when the brake pedal 111 returns to move, the brake pedal 111 is limited by the limit block 113 on the brake bracket 107 to normally return to avoid the brake pedal 111 from moving too much to clamp the roller structure when, the normal return of brake pedal 111 when guaranteeing to separate the braking ensures the normal use of truckle, effectively prolongs the life of truckle.
In addition, the middle position of the brake elastic sheet 112 is provided with a limit buckle ring 118 for the second hinge shaft 114 to be inserted, so that the limit buckle ring 118 and the second hinge shaft 114 are stably positioned, and even if the return action of the brake elastic sheet 112 is large, the brake elastic sheet 112 can be effectively prevented from sliding out, so that the whole structure is stable and firm, the normal use of the caster is ensured, and the service life of the caster is effectively prolonged.
In addition, the locking block 116 of the brake spring 112 is engaged and locked with the locking teeth 109, and meanwhile, the locking pressing block 123 moves upwards and presses the locking teeth 109, so that the relative rotation between the bracket 104 and the locking disc 106 is locked by double measures, and a plurality of locking teeth 109 extend outwards from the side surface of the locking disc 106, so that the engagement between the locking teeth 109 and the locking block 116 is very stable and is not easy to shift.
The roller structure includes a connecting shaft 119 fixed to the lower end of the bracket 104, a bearing 120 sleeved outside the connecting shaft 119, a hub 121 rotatably sleeved outside the bearing 120, and a roller 122 sleeved outside the hub 121.
The bracket 104 is welded and fixed at the lower end of the upper wave plate 102, and has a stable and firm structure and strong bearing performance.
The utility model discloses a novel structure is reasonable, and design science is ingenious, can ensure the normal return of brake pedal 111 to ensure the normal use of truckle, stabilize the location to brake shell fragment 112, difficult roll-off makes the product structure firm, effectively prolongs product life's heavy truckle.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structural changes made by the contents of the specification and the drawings, or the direct or indirect application in other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (3)
1. A heavy caster is characterized by comprising a bottom plate, an upper wave plate, a plurality of first steel balls, a support, a locking plate, a roller structure and a brake support, wherein the upper wave plate is arranged at the lower end of the bottom plate, is provided with an upward opening, is annularly arranged between the upper wave plate and the bottom plate, and enables the bottom plate and the upper wave plate to rotate relatively;
the upper corrugated disc is sleeved outside the flat-bottom socket nail and can rotate around the flat-bottom socket nail, the bracket rotates along with the rotation of the upper corrugated disc, a plurality of second steel balls are arranged between the locking disc and the upper corrugated disc, and a plurality of locking teeth extend outwards from the side surface of the locking disc;
the heavy caster also comprises a brake component which is arranged on the brake bracket and can limit the rolling of the roller structure and the rotation of the bracket;
the brake assembly comprises a brake pedal hinged to the rear end of the brake support through a first hinged shaft, and a brake elastic sheet hinged to the brake support and positioned below the brake pedal, and a limiting block capable of limiting the return action of the brake pedal is arranged on the brake support;
the middle position of the brake elastic sheet is hinged on the brake bracket through a second hinged shaft, the outer side end of the brake elastic sheet is provided with a friction pressing sheet which is positioned below the brake pedal and can be pressed and fixed on the roller structure under the driving of the brake pedal so as to prevent the roller structure from rolling, the inner side end of the brake elastic sheet is provided with a locking clamping block which can be occluded and locked with the locking teeth and a locking pressing block which can be pressed on the locking teeth, the middle position of the brake elastic sheet is provided with a return elastic sheet which is positioned below the second hinged shaft and plays a return role, the middle position of the brake elastic sheet is provided with a limiting buckle ring for inserting the second hinged shaft so as to prevent the brake elastic sheet from sliding out, and the brake elastic sheet;
when external force is used for treading the brake pedal, the brake pedal is pressed down to drive the friction pressing sheet of the brake elastic sheet to be pressed and fixed on the roller structure so as to prevent the roller structure from rolling, when the friction pressing sheet is pressed down to the roller structure, the locking clamping block of the brake elastic sheet moves upwards and is locked with the locking teeth in an occluded mode, meanwhile, the locking pressing block moves upwards and presses the locking teeth, and therefore the relative rotation between the locking support and the locking disc further achieves the effect of limiting the support to turn.
2. The heavy caster of claim 1, wherein the roller structure comprises a connecting shaft fixed to the lower end of the bracket, a bearing sleeved outside the connecting shaft, a hub rotatably sleeved outside the bearing, and a roller sleeved outside the hub.
3. A heavy duty castor according to claim 1 or claim 2 wherein the bracket is welded to the lower end of the upper waveplate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020007539.0U CN211252086U (en) | 2020-01-03 | 2020-01-03 | Heavy caster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020007539.0U CN211252086U (en) | 2020-01-03 | 2020-01-03 | Heavy caster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211252086U true CN211252086U (en) | 2020-08-14 |
Family
ID=71985285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020007539.0U Expired - Fee Related CN211252086U (en) | 2020-01-03 | 2020-01-03 | Heavy caster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211252086U (en) |
-
2020
- 2020-01-03 CN CN202020007539.0U patent/CN211252086U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200814 Termination date: 20220103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |