CN203780222U - Fixed caster - Google Patents
Fixed caster Download PDFInfo
- Publication number
- CN203780222U CN203780222U CN201420149315.8U CN201420149315U CN203780222U CN 203780222 U CN203780222 U CN 203780222U CN 201420149315 U CN201420149315 U CN 201420149315U CN 203780222 U CN203780222 U CN 203780222U
- Authority
- CN
- China
- Prior art keywords
- wheel body
- pressing rod
- supporting column
- clamping cam
- equipment
- 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
Links
- 230000007246 mechanism Effects 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 3
- 239000003086 colorant Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 description 1
- 210000000746 body region Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
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- Handcart (AREA)
Abstract
The utility model relates to a fixed caster. A wheel body is pivotally connected to a supporting column body, an inner ring type track and an outer ring type clamping cam are respectively arranged on the wheel body and the supporting column body, through the effects of the inner ring type track and the outer ring type clamping cam, the wheel body is enabled to be positioned at a higher position or a lower position, the middle part of a pressing rod is pivotally connected to a rotating shaft arranged on the wheel body, one end of the pressing rod extends outward for pressing operation, the other end of the pressing rod is connected with a clamping cam rim, by operating the pressing rod, a propping effect between the outer ring clamping wheel and the clamping cam rim is produced through operating the pressing rod, further the wheel body can be adjusted between the higher position and the lower position, and damage caused by the weights of equipment and devices at any time can be avoided.
Description
Technical Field
The utility model relates to a truckle device especially indicates truckle device of equipment, equipment bottom to do benefit to a technical category of transportation.
Background
In addition, in order to fix the medical equipment, hospital bed, wheelchair or other medical equipment, a braking device is usually disposed on the caster, such as taiwan new patent I372693, M367109, etc., so that the caster is not disturbed and the equipment is moved at will.
The existing caster wheel is not required to bear the weight of equipment, equipment or sickbeds and patients, so that the caster wheel is easy to damage, the existing caster wheel is easy to damage, and the service life of the caster wheel is not long usually.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the utility model provides a fixed truckle device to solve the above-mentioned technical problem that prior art exists.
In order to achieve the above object, the utility model adopts the following technical scheme:
a fixed caster device, comprising:
a wheel body having a slot;
the supporting column body penetrates through the accommodating groove hole of the wheel body, and the top end of the supporting column body is connected with the bottom end of the equipment or the equipment;
a fixed lifting mechanism arranged between the wheel body and the supporting column body; and
the middle of the pressing rod is pivoted with a rotating shaft arranged on the wheel body, one end of the pressing rod extends outwards for pressing operation, the other end of the pressing rod is connected with the fixed lifting mechanism, and the wheel body can be adjusted between a higher position and a lower position by operating the pressing rod to drive the fixed lifting mechanism.
Wherein: the fixed lifting mechanism consists of an inner ring type track arranged in the wheel body containing groove hole, an outer ring type clamping cam arranged on the supporting column body, an elastic body and a clamping cam gear ring arranged on the pressing rod, and the wheel body can be positioned at two positions of a higher position and a lower position by operating the pressing rod to drive the clamping cam gear ring to promote the action among the inner ring type track, the outer ring type clamping cam and the elastic body.
Wherein: the pressing rod is in a concave U shape and can be pivoted to two side edges of the wheel body and two side edges of the clamping cam gear ring.
Wherein: the bottom surface of the supporting column body, which is close to the equipment, is provided with a hexagon body, and the hexagon body is connected with an adjusting knob which is linked with the supporting column body, and the bottom surface of the hexagon body is propped against the elastic body; the bottom of the supporting column body is provided with a bolt, and the front end of the bolt penetrates through the clamping cam gear ring and then is combined with a screw hole arranged at the bottom of the supporting column body.
Wherein: two wing rods are arranged on two sides of the clamping cam gear ring, a plurality of inclined top teeth are arranged on the top surface of the clamping cam gear ring, and the two wing rods are embedded into the bottom sliding groove of the wheel body.
Wherein: the wheel body is provided with a marking unit, the marking unit has two different colors, and the pressing rod is provided with a viewing through hole corresponding to the marking unit of the wheel body.
Therefore, the utility model discloses can reach following efficiency:
1. the utility model discloses rely on operating this press lever to make this card system cam ring gear rise and push away the outer ring formula card system cam that supports this support column body and cooperate the inside inner ring formula track of this wheel body, make this wheel body can be switched and be in a higher position or a lower position. When the wheel body is at a higher position, the supporting columns can support the weight of equipment and equipment, and the wheel body is in a rest state. When the wheel body is in a lower position, the wheel body is replaced to support the whole weight of the equipment and the equipment, and the transportation is convenient, so that the problem that the wheel body supports the whole weight of the equipment and the equipment for 24 hours without any time is avoided, and the wheel body is easy to damage and short in service life is solved. Furthermore, the utility model can adjust the caster at a proper position according to the caster conditions of the equipment and the equipment at that time by operating the adjusting knob, thereby achieving the above effects.
2. The utility model discloses a be equipped with one according to the depression bar and watch the perforation, should watch the perforation wheel body region and then be equipped with one and mark the unit corresponding, let the user discover very easily that this wheel body is in the state of rest or top ground bearing equipment, equipment weight, according to can understand equipment, equipment portable or can not remove.
Drawings
Fig. 1 is an external view of the caster device of the present invention;
fig. 2 is an exploded view of the caster device of the present invention;
FIG. 3 is a cross-sectional view of the caster wheel and the inner ring track of the groove hole;
FIG. 4 is an external view of the outer ring type engaging cam member of the caster device of the present invention;
fig. 5 is an external view of a locking cam ring gear member of the caster device of the present invention;
fig. 6 is a top view of the caster device of the present invention;
fig. 7 to 9 are schematic operation views of the inner ring type track, the outer ring type engaging cam, and the engaging cam ring when the caster device operates the pressing rod according to the present invention;
fig. 10 is a cross-sectional view of the caster device of the present invention with the caster body at a higher position and in a resting state, and with the supporting post abutting against the ground and bearing the weight of the equipment;
fig. 11 is a cross-sectional view of the caster device of the present invention, wherein the caster body is at a lower position and abuts against the ground to bear the weight of the equipment.
Description of reference numerals: 1 fixed caster wheel; 10 wheel body; 11, accommodating the slotted hole; 111 an inner ring track; 112 block body; 113 straight chute; 114 an oblique clamping groove; 115 a sloped top surface; 12 wheel sheets 13 rotating shafts; a 14-bottom chute; 15 denotes a cell; 20 supporting the column; 21 outer ring type clamping cam; 211 straight rails; 212 a slant clamping block; 213 oblique bottom edge; 22 an elastomer; 23, a hexagon; 24 adjusting the knob; 25 screw holes; 30 pressing rod; 301 an insertion hole; 31 middle pivot hole; 32 a pressing part; 33 clamping the cam gear ring; 331 a wing rod; 332 pitched roof teeth; 333 bolt; 34 view the perforations; 40 devices or equipment; a fixed lifting mechanism.
Detailed Description
Referring to fig. 1 to 5, the present invention relates to a fixed caster device, which includes: a wheel body 10, a supporting column body 20 and a pressing rod 30; wherein,
the wheel body 10 further includes a slot-containing hole 11, and an inner wall of the slot-containing hole 11 is provided with an inner ring type track 111 (as shown in fig. 3); wherein the inner circular track 111 is formed by four blocks 112 extending from the inner wall, such that the inner circular track 111 further comprises a straight sliding slot 113, an inclined locking slot 114 and an inclined top surface 115; two bottom sliding grooves 14 and a marking unit 12 are disposed at the bottom of the wheel body 10, preferably the marking area is red and blue; the wheel body 10 is further pivoted with a rotating shaft 13, and two sides of the rotating shaft 13 are respectively provided with a wheel piece 12.
The supporting column 20 penetrates through the slot 11 of the wheel body 10 and is disposed at the bottom end of the equipment 40 (as shown in fig. 10), an outer ring type engaging cam 21 is pivoted on the supporting column 20, and an elastic body 22 is disposed between the supporting column 20 and the outer ring type engaging cam 21 so that the outer ring type engaging cam 21 is engaged with the inner ring type track 111. As shown in fig. 4, the outer ring type locking cam 21 is recessed to form a straight rail 211, a slant locking block 212 and a slant bottom edge 213 disposed on the straight rail 211 corresponding to the inner ring type rail 111, and an adjusting knob 24 is disposed on the top of the supporting column 20, and the adjusting knob 24 is coupled to the supporting column 20. Particularly, a hexagon 23 is disposed on the bottom surface of the supporting cylinder 20 adjacent to the equipment 40, and the hexagon 23 is further connected with an adjusting knob 24, so that the adjusting knob 24 can drive the supporting cylinder 20, and the bottom surface of the hexagon 23 can push against the elastic body 22; in addition, a bolt 25 is disposed at the bottom end of the supporting column 20, and the front end of the bolt 25 is inserted into the locking cam ring 33 and then coupled to a screw hole 26 disposed at the bottom end of the supporting column 20, i.e., the bolt 25 is pressed against the ground. And
the pressing rod 30 is in a U-shape, and is pivoted to the rotating shaft 13 of the wheel body 10 at the middle of the U-shape of the pressing rod 30, one end of the pressing rod 30 extends outwards to form a pressing part 32 for pressing operation, the other end of the U-shape of the pressing rod 30 is connected with a clamping cam gear ring 33, and the clamping cam gear ring 33 is embedded into the accommodating groove hole 11 of the wheel body 10 and is positioned below the outer ring type clamping cam 21; as shown in fig. 5, two sides of the locking cam ring gear 33 are respectively provided with a wing rod 331 and a plurality of slanted top teeth 332 on the top surface, the wing rod 331 is sleeved on the bottom sliding slot 14 of the wheel body 10, and the locking cam ring gear 33 is penetrated by the bolt 25 and combined with the bottom end of the supporting column 20. In addition, the pressing rod 30 is provided with a viewing through hole 34 corresponding to the marking unit 15 of the wheel body 10, and the viewing through hole 34 is convenient for a user to observe the weight state of the wheel body 10 at rest or against the ground bearing equipment and equipment 40.
Referring to fig. 6 to 7, the principle of the present invention that the pressing rod 30 is operated to make the wheel body 10 located at two positions completely depends on the interaction of the inner ring track 111 of the wheel body 10, the outer ring type locking cam 21 of the supporting column 20, and the locking cam ring 33 of the pressing rod 30, wherein the four straight rails 211 of the outer ring type locking cam 21 are embedded into the four straight sliding slots 113 of the inner ring track 111 and are pressed against by the elastic body 22, so that the inclined locking blocks 212 of the outer ring type locking cam 21 are embedded into the inclined locking slots 114 of the inner ring track 111, and at this time, the bolts 25 of the supporting column 20 are pressed against the ground to make the wheel body 10 located at a higher position, and the supporting column 20 is pressed against the ground to bear the weight of the equipment 40, so that the wheel body 10 is in a rest state. The viewing through hole 34 of the pressing rod 30 is located in the blue region of the indicating unit 15 of the wheel 10, so that the user can see that the wheel 10 is in a rest state, i.e. the equipment 40 is not movable, by looking through the viewing through hole 34 to appear blue.
Referring to fig. 8 and 9, when the user presses the pressing rod 30, the engaging cam ring 33 is driven to move up along the bottom sliding slot 14, so that the slanted ejecting teeth 332 push against the slanted bottom edge 213 of the outer annular engaging cam 21 and rotate it a little distance (as shown in fig. 8), the outer ring type engaging cam 21 is rotated by a distance a (as shown in fig. 9) as a whole after the inclined bottom edge 213 of the straight rail 211 slides into and engages with the inclined engaging groove 114 of the inner ring type rail 11 due to the downward biasing action of the elastic body 22, so that the inclined bottom edge 213 of the straight rail 211 abuts against the inclined locking groove 114, and the wheel body 10 abuts against the ground (at this time, the wheel body 10 is in a lower position), thereby supporting the whole equipment 40 (as shown in fig. 11) and bearing the weight of the equipment 40, and further facilitating the equipment 40 to move and transport by using the wheel body 10. At this time, the viewing through hole 34 of the pressing rod 30 is located in the red region of the indicating unit 15 of the wheel 10, so that the user can see that the wheel 10, the equipment or the equipment is in the movable state by looking at the viewing through hole 34 to show the red color.
After equipment, equipment 40 move to predetermined position, can press once again and just can make this wheel body 10 rise and be in higher position and let this wheel body 10 be in rest state after this press lever 30, change into and should prop the cylinder 20 and reduce and conflict ground and then let and prop the cylinder 20 and bear equipment, equipment 40 weight, so can overcome general current wheel body 10 and must bear equipment, equipment 40 weight and cause the problem point that the life-span reduces short constantly, so the utility model discloses a fixed caster 1 has life-prolonging's efficiency person.
Particularly, please refer to fig. 10, in order to ensure that the fixed caster 1 of the present invention can perform its main function, an adjusting knob 24 is added, when the user rotates the adjusting knob 24, the supporting post 20 is driven to rotate, so as to adjust the length of the bolt 24 screwed into the screw hole 26, and further adjust the length of the supporting post 20, so as to ensure that the supporting post 20 completely supports the weight of the equipment 40 when the pressing rod 30 is operated and the wheel body 10 is in the higher rest state.
The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. A fixed caster device, comprising:
a wheel body having a slot;
the supporting column body penetrates through the accommodating groove hole of the wheel body, and the top end of the supporting column body is connected with the bottom end of the equipment or the equipment;
a fixed lifting mechanism arranged between the wheel body and the supporting column body; and
the middle of the pressing rod is pivoted with a rotating shaft arranged on the wheel body, one end of the pressing rod extends outwards for pressing operation, the other end of the pressing rod is connected with the fixed lifting mechanism, and the wheel body can be adjusted between a higher position and a lower position by operating the pressing rod to drive the fixed lifting mechanism.
2. The fixed caster device of claim 1, wherein: the fixed lifting mechanism consists of an inner ring type track arranged in the wheel body containing groove hole, an outer ring type clamping cam arranged on the supporting column body, an elastic body and a clamping cam gear ring arranged on the pressing rod, and the wheel body can be positioned at two positions of a higher position and a lower position by operating the pressing rod to drive the clamping cam gear ring to promote the action among the inner ring type track, the outer ring type clamping cam and the elastic body.
3. The fixed caster device of claim 2, wherein: the pressing rod is in a concave U shape and can be pivoted to two side edges of the wheel body and two side edges of the clamping cam gear ring.
4. The fixed caster device of claim 2, wherein: the bottom surface of the supporting column body, which is close to the equipment, is provided with a hexagon body, and the hexagon body is connected with an adjusting knob which is linked with the supporting column body, and the bottom surface of the hexagon body is propped against the elastic body; the bottom of the supporting column body is provided with a bolt, and the front end of the bolt penetrates through the clamping cam gear ring and then is combined with a screw hole arranged at the bottom of the supporting column body.
5. The fixed caster device of claim 4, wherein: two wing rods are arranged on two sides of the clamping cam gear ring, a plurality of inclined top teeth are arranged on the top surface of the clamping cam gear ring, and the two wing rods are embedded into the bottom sliding groove of the wheel body.
6. The fixed caster device of claim 4, wherein: the wheel body is provided with a marking unit, the marking unit has two different colors, and the pressing rod is provided with a viewing through hole corresponding to the marking unit of the wheel body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420149315.8U CN203780222U (en) | 2014-03-28 | 2014-03-28 | Fixed caster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420149315.8U CN203780222U (en) | 2014-03-28 | 2014-03-28 | Fixed caster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203780222U true CN203780222U (en) | 2014-08-20 |
Family
ID=51316440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420149315.8U Expired - Fee Related CN203780222U (en) | 2014-03-28 | 2014-03-28 | Fixed caster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203780222U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104309404A (en) * | 2014-10-29 | 2015-01-28 | 平湖市三得力脚轮制造有限公司 | Weighing caster |
| CN105059052A (en) * | 2015-08-24 | 2015-11-18 | 太仓兴锋脚轮有限公司 | Omni-directional wheel convenient to maintain |
| CN105150768A (en) * | 2015-08-24 | 2015-12-16 | 太仓兴锋脚轮有限公司 | Universal brake trundle |
| CN108975091A (en) * | 2018-07-19 | 2018-12-11 | 金础础 | A kind of cable rack for coal mining lighting system |
-
2014
- 2014-03-28 CN CN201420149315.8U patent/CN203780222U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104309404A (en) * | 2014-10-29 | 2015-01-28 | 平湖市三得力脚轮制造有限公司 | Weighing caster |
| CN105059052A (en) * | 2015-08-24 | 2015-11-18 | 太仓兴锋脚轮有限公司 | Omni-directional wheel convenient to maintain |
| CN105150768A (en) * | 2015-08-24 | 2015-12-16 | 太仓兴锋脚轮有限公司 | Universal brake trundle |
| CN108975091A (en) * | 2018-07-19 | 2018-12-11 | 金础础 | A kind of cable rack for coal mining lighting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20160328 |