CN220594538U - Caster with parking structure - Google Patents
Caster with parking structure Download PDFInfo
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- CN220594538U CN220594538U CN202322381840.4U CN202322381840U CN220594538U CN 220594538 U CN220594538 U CN 220594538U CN 202322381840 U CN202322381840 U CN 202322381840U CN 220594538 U CN220594538 U CN 220594538U
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- driving
- driving disc
- positioning block
- cavity
- castor
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- 235000004443 Ricinus communis Nutrition 0.000 claims abstract description 18
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a castor with a parking structure, which comprises a castor seat, a roller rotatably arranged on the castor seat and a positioning block arranged on the castor seat, and is characterized in that: an adjusting cavity and a movable cavity are respectively arranged in the caster seat in an up-down distribution manner, the movable cavity is arranged in a lower opening manner, the positioning block is elastically and movably arranged in the movable cavity up and down, a driving disc is horizontally arranged in the adjusting cavity in a rotating manner, the lower side surface of the driving disc is a driving surface, and the upper end of the positioning block is abutted against the surface of the driving surface; the driving surface comprises a plane and a convex surface, and a guiding inclined surface which is connected between the plane and the convex surface and gradually increases gradually. The up-and-down movement of the positioning block is realized through the driving surface with high and low drop, so that the trouble of frequent screwing of the thread adjusting structure is avoided.
Description
Technical Field
The utility model particularly relates to a castor with a parking structure.
Background
The casters are generally called, and comprise movable casters and fixed casters, the fixed casters have no rotating structure and can not rotate horizontally but only vertically, meanwhile, the two casters are generally matched for use, the application industries and the range of the casters are wide, and the casters are used in industries such as industry, business, medical equipment, machinery, logistics transportation, household appliances and the like.
The roller wheels of the existing brake castor are circular, the roller wheels are in line contact with the ground in a friction contact manner, and then although the roller wheels are braked by the action of a brake structure, the roller wheels are smaller in contact area with the ground, so that the castor is poor in fixing effect when the castor is parked, sliding is easy to form, and the integral fixing of the castor is affected.
In order to solve the above problems, chinese patent publication No. CN219055868U discloses a castor convenient to fix, discloses this castor convenient to fix in it, drives the threaded rod through rotatory rotation handle and rotates to the fixing base is located threaded rod and goes up and down to remove, and when fixed, the fixing base moves down and ground contact realizes the fixing to the castor, and through brake seat and gyro wheel mutual contact, realizes the spacing of gyro wheel, has improved the fixed effect to the castor. But adopts the threaded rod to adjust, when stopping, needs the manual loaded down with trivial details of user's down body to twist the threaded rod, otherwise when stopping, need to remove stopping, also need the manual loaded down with trivial details of user down body to twist, and then through the frequent manual loaded down with trivial details of screw thread regulation inconvenient user operation use.
There is thus a need for a caster with a parking structure that ameliorates the above-mentioned problems.
Disclosure of Invention
Aiming at the defects existing in the prior art, the technical problems to be solved by the utility model are as follows: a caster with a parking structure is provided.
The caster with the parking structure comprises a caster seat, a roller rotatably arranged on the caster seat and a positioning block arranged on the caster seat, wherein an adjusting cavity and a movable cavity are respectively arranged in the caster seat in an up-down distribution manner, the movable cavity is arranged in a lower opening manner, the positioning block is elastically arranged in the movable cavity in an up-down manner, a driving disc is horizontally rotatably arranged in the adjusting cavity, the lower side surface of the driving disc is a driving surface, and the upper end of the positioning block is abutted against the surface of the driving surface; the driving surface comprises a plane and a convex surface, and a guiding inclined surface which is connected between the plane and the convex surface and gradually increases gradually.
In one embodiment, the driving disc is provided with a limiting blocking wall in a protruding mode at one side of the protruding face.
In one embodiment, a first flange is internally protruded along the edge outline at the lower opening of the movable cavity, the positioning block is provided with a second flange protruding outwards along the edge outline of the positioning block, a first spring is abutted between the first flange and the second flange, the upper end of the positioning block is provided with a push rod, a through hole is communicated between the adjusting cavity and the movable cavity, and the push rod passes through the through hole and is abutted to the surface of the driving surface.
In one embodiment, the upper end of the ejector rod is movably embedded with a ball which is used for abutting against the driving surface.
In one embodiment, a locking member is disposed within the adjustment cavity for locking the drive disk in rotation.
In one embodiment, the locking member comprises a locking piece and a second spring, a plurality of clamping teeth are uniformly distributed on the locking piece along the circumference at intervals, a plurality of clamping grooves meshed with the clamping teeth are concaved inwards on the inner side of the adjusting cavity, a non-circular guide post is arranged on the lower side of the locking piece, a guide hole matched with the non-circular guide post is formed on the upper side of the driving disc in the same center of the driving disc, and the non-circular guide post is matched and inserted in the guide hole; the second spring is sleeved on the non-circular guide post and is abutted between the driving disc and the locking piece, and a plurality of clamping teeth of the locking piece and clamping grooves of the adjusting cavity are kept in an engaged state through the second spring.
In one embodiment, a notch communicated with the adjusting cavity is formed in one side of the caster seat, a deflector rod extends to one side of the locking piece, and the deflector rod penetrates through the notch and extends to the outer side of the caster seat.
In summary, compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the plane, the convex surface and the guide inclined surface are arranged on the driving disc to form the driving surface with high and low fall, so that a user can rotate the driving disc to enable the plane, the guide inclined surface and the convex surface of the driving surface to sequentially abut against the positioning block along with rotation, and the positioning block is elastically and movably connected with the caster wheel seat up and down; when the positioning block is abutted against the plane of the driving disc, the positioning block is contracted in the movable cavity relative to the caster seat to release the storage state of parking; when the positioning block is abutted against the convex surface of the driving disc, the positioning block is in a friction standing state of protruding outwards from the outer side of the movable cavity relative to the caster seat and abutting against the ground; therefore, the up-and-down movement of the positioning block is realized rapidly through the driving surface with high and low drop, and the trouble of frequent screwing of the thread adjusting structure is avoided.
Drawings
FIG. 1 is a schematic cross-sectional view of a caster with a parking structure according to an embodiment of the present utility model;
FIG. 2 is a schematic perspective view of a caster with parking structure according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a partial explosion of a caster with a parking structure according to one embodiment of the present utility model;
FIG. 4 is a schematic perspective view of a driving disc according to an embodiment of the present utility model;
fig. 5 is a schematic diagram illustrating an assembly of a roller seat and a roller according to an embodiment of the utility model.
Detailed Description
The utility model is further described in the following description and detailed description with reference to the drawings:
as shown in fig. 1 to 5, the embodiment of the present utility model preferably provides a caster with a parking structure, which comprises a caster seat 1, a roller 2 rotatably disposed on the caster seat 1, and a positioning block 3 disposed on the caster seat 1, wherein an adjusting cavity 4 and a movable cavity 5 are disposed in the caster seat 1 in an up-down distribution manner, the movable cavity 5 is disposed in a lower opening manner, the positioning block 3 is elastically disposed in the movable cavity 5 in an up-down manner, a driving disc 6 is disposed in the adjusting cavity 4 in a horizontal rotation manner, a lower side surface of the driving disc 6 is a driving surface, and an upper end of the positioning block 3 is abutted against a surface of the driving surface; the driving surface comprises a plane 61 and a convex surface 62, and a guiding inclined surface 63 connected between the plane 61 and the convex surface 62 in gradual increasing.
Specifically, a plane, a convex surface and a guide inclined surface are arranged on the driving disc to form a driving surface with high and low fall, and then a user can rotate the driving disc to enable the plane, the guide inclined surface and the convex surface of the driving surface to sequentially abut against the positioning block along with rotation, and the positioning block is elastically and movably connected with the caster seat up and down; when the positioning block is abutted against the plane of the driving disc, the positioning block is contracted in the movable cavity relative to the caster seat to release the storage state of parking; when the positioning block is abutted against the convex surface of the driving disc, the positioning block is in a friction standing state of protruding outwards from the outer side of the movable cavity relative to the caster seat and abutting against the ground; therefore, the up-and-down movement of the positioning block is realized rapidly through the driving surface with high and low drop, and the trouble of frequent screwing of the thread adjusting structure is avoided.
Further, a limiting blocking wall 64 is protruded on the driving disc 6 at one side of the convex surface 62. Specifically, the limiting baffle wall is used for limiting and abutting the positioning block, so that the positioning block is ensured to stay and abut against the convex surface area of the driving surface, and the standing state that the positioning block is in friction contact with the ground is realized.
Further, a first flange 51 is protruding inwards along the edge outline at the lower opening of the movable cavity 5, the positioning block 3 is provided with a second flange 52 protruding outwards along the edge outline, a first spring 53 is abutted between the first flange 51 and the second flange 52, a push rod 54 is arranged at the upper end of the positioning block 3, a through hole 55 is communicated between the adjusting cavity 4 and the movable cavity 5, and the push rod 54 is abutted to the surface of the driving surface through the through hole 55. Specifically, when the first spring is used for realizing the up-down elastic telescopic movement of the positioning block relative to the movable cavity, the ejector rod of the positioning block is kept in an abutting state against the driving surface under the elastic acting force of the first spring, and then when the driving disc rotates, the ejector rod is sequentially abutted against the plane of the driving surface, the guide inclined surface and the convex surface, so that the position of the positioning hole relative to the movable cavity is switched.
Further, a ball for abutting against the driving surface is movably embedded at the upper end of the ejector rod 54. Specifically, friction force of collision between the ejector rod and the driving disc is reduced through the balls, and abrasion of the ejector rod is reduced.
Further, a locking member 7 for locking the driving disk 6 to rotate is arranged in the adjusting cavity 4. Specifically, the locking member is used for locking the rotation of the driving disc, so that the plane or convex surface of the driving disc is fixedly kept in a connection state of the positioning block, and the fixed locking of the caster in a standing state or an active state is realized.
Further, the locking member 7 includes a locking piece 71 and a second spring 72, the locking piece 71 is uniformly provided with a plurality of latches 73 along the circumference at intervals, a plurality of clamping grooves 74 meshed with the latches 73 are recessed inside the adjusting cavity 4, a non-circular guide post 75 is provided on the lower side of the locking piece 71, a guide hole 76 adapted to the non-circular guide post 75 is provided on the upper side of the driving disk 6 in the same center as the driving disk, and the non-circular guide post 75 is inserted in the guide hole 76 in a matching manner; the second spring 72 is sleeved on the non-circular guide post 75 and is abutted between the driving disc 6 and the locking piece 71, and the plurality of clamping teeth 73 of the locking piece 71 are kept in an engaged state with the clamping grooves 74 of the adjusting cavity 4 through the second spring 72.
Specifically, the non-circular guide post of the locking piece is matched with the guide hole on the driving disc, so that the locking piece and the driving disc can synchronously rotate while relatively moving up and down along the axial direction of the guide hole due to the shape of the non-circular guide post, and further, the latch on the locking piece is kept engaged with the connection state of the clamping groove in the adjusting cavity by the elastic force of the second spring, and at the moment, the locking piece is in locked anti-rotation fixation, so that the anti-rotation locking fixation of the driving disc is synchronously realized; when the driving disc is required to rotate, a user presses the locking piece downwards so that the latch teeth of the locking piece are separated from the clamping grooves, and the rotation of the driving disc can be realized.
Further, a notch communicated with the adjusting cavity 4 is formed in one side of the caster seat 1, a deflector rod 77 extends from one side of the locking piece 71, and the deflector rod 77 extends to the outer side of the caster seat 1 through the notch. Specifically, through setting up the dead lever to the user can directly push down and step on the dead lever, and then when breaking away from the draw-in groove with realizing locking piece downwardly moving latch, the user tramples the dead lever and rotates, thereby realizes the rotation of driving disk, has avoided the user to dive down the trouble that the body was adjusted, has increased the convenience of use.
While there has been shown and described what is at present considered to be the fundamental principles and the main features of the utility model and the advantages thereof, it will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, but is described in the foregoing description merely illustrates the principles of the utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model as hereinafter claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a truckle with stop structure, includes truckle seat (1), rotates gyro wheel (2) and locating piece (3) of setting on truckle seat (1) that set up on truckle seat (1), its characterized in that: an adjusting cavity (4) and a movable cavity (5) are respectively arranged in the caster seat (1) in an up-down distribution manner, the movable cavity (5) is arranged in a lower opening manner, the positioning block (3) is elastically and movably arranged in the movable cavity (5) up and down, a driving disc (6) is horizontally arranged in the adjusting cavity (4) in a rotating manner, the lower side surface of the driving disc (6) is a driving surface, and the upper end of the positioning block (3) is abutted to the surface of the driving surface; the driving surface comprises a plane (61) and a convex surface (62), and a guiding inclined surface (63) connected between the plane (61) and the convex surface (62) in gradual increasing.
2. A castor with parking structure as claimed in claim 1, wherein: a limiting blocking wall (64) is arranged on the driving disc (6) and located on one side of the convex surface (62) in a protruding mode.
3. A castor with parking structure as claimed in claim 1, wherein: the utility model discloses a movable cavity (5) lower opening part is followed the edge profile internal protrusion and is had first flange (51), locating piece (3) have along its edge profile evagination second flange (52), first flange (51) with the butt has first spring (53) between second flange (52), locating piece (3) upper end is provided with ejector pin (54), the intercommunication has perforation (55) between regulation cavity (4) and movable cavity (5), ejector pin (54) pass perforation (55) contradict in driving surface.
4. A castor with parking structure according to claim 3, characterized in that: the upper end of the ejector rod (54) is movably embedded with a ball which is used for abutting against the driving surface.
5. A castor with parking structure according to any of claims 1 to 4, wherein: a locking member (7) for locking the driving disc (6) to rotate is arranged in the adjusting cavity (4).
6. A caster with parking structure as defined in claim 5, wherein: the locking component (7) comprises a locking piece (71) and a second spring (72), a plurality of clamping teeth (73) are uniformly distributed on the locking piece (71) along the circumference at intervals, a plurality of clamping grooves (74) meshed with the clamping teeth (73) are concaved inwards in the inner side of the adjusting cavity (4), a non-circular guide post (75) is arranged on the lower side of the locking piece (71), a guide hole (76) matched with the non-circular guide post (75) is formed in the upper side of the driving disc (6) at the same center of the driving disc, and the non-circular guide post (75) is matched and inserted in the guide hole (76); the second spring (72) is sleeved on the non-circular guide post (75) and is abutted between the driving disc (6) and the locking piece (71), and a plurality of clamping teeth (73) of the locking piece (71) are kept in an engaged state with clamping grooves (74) of the adjusting cavity (4) through the second spring (72).
7. A castor with parking structure as claimed in claim 6, wherein: a notch communicated with the adjusting cavity (4) is formed in one side of the caster seat (1), a deflector rod (77) extends from one side of the locking piece (71), and the deflector rod (77) penetrates through the notch and extends to the outer side of the caster seat (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322381840.4U CN220594538U (en) | 2023-09-01 | 2023-09-01 | Caster with parking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322381840.4U CN220594538U (en) | 2023-09-01 | 2023-09-01 | Caster with parking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220594538U true CN220594538U (en) | 2024-03-15 |
Family
ID=90172848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322381840.4U Active CN220594538U (en) | 2023-09-01 | 2023-09-01 | Caster with parking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220594538U (en) |
-
2023
- 2023-09-01 CN CN202322381840.4U patent/CN220594538U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |