CN209813622U - Universal caster capable of being locked through manual steering - Google Patents
Universal caster capable of being locked through manual steering Download PDFInfo
- Publication number
- CN209813622U CN209813622U CN201822194226.6U CN201822194226U CN209813622U CN 209813622 U CN209813622 U CN 209813622U CN 201822194226 U CN201822194226 U CN 201822194226U CN 209813622 U CN209813622 U CN 209813622U
- Authority
- CN
- China
- Prior art keywords
- lock
- lock cylinder
- hole
- block
- seat
- 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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- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The utility model discloses a universal caster locked by manual steering, the upper end of a pulley seat is provided with a lock cylinder hole, the lock cylinder hole penetrates through the pulley seat, both ends of the top of the lock cylinder hole are provided with raised jacking blocks, so that the upper end of the top of the lock cylinder hole forms a long circular porous structure, a lock cylinder is arranged in the lock cylinder hole and extends to the lower end of the pulley seat, the upper end of the lock cylinder is a long circular lock block, the side end of the lock block is provided with a raised lug, the lower end of the lock block is provided with a lock rod, the lower end of the lock rod is provided with a fixture block, the fixture block is in a trapezoidal structure and extends to the outside of the pulley seat, a spring is wound on the lock rod of the lock cylinder, a cylindrical lock cylinder switch is installed on the fixture block, the rear end of the lock cylinder switch is provided with a pulley seat on the pulley seat, the middle part of the lock cylinder switch is provided with a clamping groove, the, and a wheel shaft is arranged in the through hole.
Description
Technical Field
The utility model relates to a universal caster especially relates to a manual castor that turns to locking.
Background
An office chair, english office chair, refers to various chairs that are equipped for convenience of work in daily work and social activities. Office chairs are classified into a narrow office chair and a generalized office chair by office partners, the narrow office chair refers to a backrest chair on which a person sits when working on a table top in a sitting posture, and the generalized office chair is all chairs used in offices and comprises a large office chair, a middle office chair, a passenger chair, a clerk chair, a conference chair, a visitor chair, a training chair and the like.
The pulleys are arranged under the feet of the existing office chair, the existing pulleys easily drive the office chair to slide around when working, inconvenience is brought to working in strict occasions, only office chairs which cannot slide can be selected, but the office chair cannot slide everywhere, and much fun is lost in certain relaxing time. Meanwhile, the pulley of the office chair is easy to fall off, the falling off condition of the office chair is easy to occur, people sitting on the office chair can tumble, children's random sliding can easily occur on children's chairs with the pulley, and the children can easily collide with the chair easily due to the fact that the sliding direction of the children can not be well controlled.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.
A hand-steered locked castor comprising: the pulley seat is provided with a lock cylinder hole at the upper end of the pulley seat, the lock cylinder hole penetrates through the pulley seat and is a counter bore, the diameter of the upper end of the lock cylinder hole is larger than that of the lower end of the lock cylinder hole, two ends of the top of the lock cylinder hole are provided with convex jacking blocks, so that an oblong hole-shaped structure is formed at the upper end of the top of the lock cylinder hole, one side end of the lock cylinder hole is provided with a concave first groove, the jacking block at one side is provided with a concave second groove, the inside of the lock cylinder hole is provided with a lock cylinder, the lock cylinder extends to the lower end of the pulley seat, the upper end of the lock cylinder is an oblong lock block, the side end of the lock block is provided with a convex lug, the lower end of the lock block is provided with a lock rod, the lower end of the lock rod is provided with a fixture block which is of a trapezoidal structure, the fixture block extends to the outside of the, a wheel axle seat is arranged on the pulley seat at the rear end of the lock cylinder switch, a clamping groove is arranged in the middle of the lock cylinder switch, a through hole penetrating through the wheel axle seat is arranged on the side edge of the wheel axle seat, a wheel axle is arranged in the through hole,
the wheel comprises a wheel shaft and is characterized in that two sides of the wheel shaft are respectively provided with a convex ring, the diameter of each convex ring is slightly larger than that of the wheel shaft, the rear end of each convex ring is provided with an inward concave groove, and pulleys are arranged on two sides of the wheel shaft.
As a further aspect of the present invention: the size of the locking block is slightly smaller than the long circular hole at the top of the lock cylinder hole.
As a further aspect of the present invention: the clamping groove on the lock cylinder switch is the same as the clamping block in shape and size and is in interference fit with the clamping block.
As a further aspect of the present invention: the lock cylinder switch is characterized in that a lock handle is arranged on the side edge of the lock cylinder switch, and protruding lock handle stop blocks are arranged on two sides of the other end of the lock cylinder switch.
As a further aspect of the present invention: and a raised stop block is arranged on the lower end surface of the axle seat at the rear end of the lock cylinder switch.
As a further aspect of the present invention: the spring has an elastic limit of 6.8 kg.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the sliding of the chair can be adjusted by self, when the chair is in a strict occasion, the direction of the universal pulley is locked, the chair can only slide back and forth, the chair is prevented from sliding all around, when the chair is in a more relaxed occasion, the direction of the universal pulley is opened, the chair slides all around, and the work is more facilitated.
2. The wheel shaft is provided with the double convex rings and the double grooves, so that an effective and stable installation effect can be achieved after the wheel shaft is provided with the pulleys, the pulley is effectively prevented from falling off after use, and the situation that the chair is unstable and falls down after falling off is avoided.
3. Can will the utility model discloses install on children's seat to play a gliding effect in children's seat everywhere after children sit on children's seat, prevent children's seat from sliding easily and hitting other foreign objects, and cause children injured.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is a top view of the middle pulley seat of the present invention.
Fig. 4 is a bottom view of the middle pulley seat of the present invention.
Fig. 5 is a side view of the middle pulley seat of the present invention.
Fig. 6 is a schematic view of the structure of the middle lock cylinder of the present invention.
Fig. 7 is a bottom view of the middle lock cylinder of the present invention.
Fig. 8 is a schematic view of the lock cylinder switch of the present invention.
Fig. 9 is a schematic view of the structure of the middle axle of the present invention.
In the figure: 1. pulley seat, 2, lock post, 3, installation pole, 4, pulley, 5, lock post switch, 6, spring, 7, wheel axle, 11, kicking block, 12, lock post hole, 13, first recess, 14, second recess, 15, dog, 16, wheel axle seat, 21, lock piece, 22, locking lever, 23, fixture block, 24, lug, 51, lock handle, 52, draw-in groove, 53, lock handle dog, 71, convex ring, 72, recess.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 9, in an embodiment of the present invention, a caster with manual steering lock includes: pulley 4 seat 1, pulley 4 seat 1 upper end is provided with lock cylinder hole 12, lock cylinder hole 12 runs through pulley 4 seat 1, lock cylinder hole 12 is the counter bore, lock cylinder hole 12 upper end diameter is greater than the lower extreme diameter, lock cylinder hole 12 top both ends are provided with bellied kicking block 11 for lock cylinder hole 12 top upper end forms a long circular pore structure, set up sunken first recess 13 on one side of lock cylinder hole 12, set up sunken second recess 14 on the kicking block 11 of one side, be provided with lock cylinder 2 inside lock cylinder hole 12, lock cylinder 2 extends to pulley 4 seat 1 lower extreme, lock cylinder 2 upper end is long circular lock piece 21, and lock piece 21 side is provided with bellied lug 24, and lug 24 cooperates with first recess 13 and second recess 14, and the effectual position of confirming lock cylinder 2 in lock cylinder 2, lock block 21 lower extreme is provided with locking lever 22, lock cylinder 22 lower extreme is provided with fixture block 23, the fixture block 23 is in a trapezoid structure, the fixture block 23 extends to the outside of the pulley 4 seat 1, the spring 6 is wound on the lock rod 22 of the lock column 2, the cylindrical lock column switch 5 is installed on the fixture block 23, the axle seat 16 is arranged on the pulley 4 seat 1 at the rear end of the lock column switch 5, the clamping groove 52 is arranged in the middle of the lock column switch 5, the side edge of the axle seat 16 is provided with a through hole penetrating through the axle seat 16, the axle 7 is installed in the through hole,
the wheel shaft 7 is provided with protruding convex rings 71 on two sides, the diameter of each convex ring 71 is slightly larger than that of the wheel shaft 7, the rear ends of the convex rings 71 are provided with concave grooves 72, and pulleys 4 are mounted on two sides of the wheel shaft 7.
The upper end of the lock column 2 is provided with a mounting hole, a mounting rod 3 is mounted in the hole, and the mounting rod 3 is used for mounting the pulley 4 seat 1 on a chair leg.
The lock block 21 is slightly smaller than the oblong hole at the top of the lock cylinder hole 12.
The shape and size of the clamping groove 52 on the lock cylinder switch 5 are the same as those of the clamping block 23, the clamping groove 52 is in interference fit with the clamping block 23, the lock handle 51 is arranged on the side edge of the lock cylinder switch 5, and the two sides of the other end of the lock cylinder switch 5 are provided with the raised lock handle stop blocks 53.
And a raised stop dog 15 is arranged on the lower end surface of the axle seat 16 at the rear end of the lock cylinder switch 5.
The elastic limit of the spring is 6.8 kilograms, so that the pulley can be mounted on the child chair to be used, and the situation that the spring 6 cannot be pressed down by a child is avoided.
The utility model discloses a theory of operation is: install pulley 4 seat 1 on the chair foot of office chair through installation pole 3, when the people went to stir lower extreme lock post switch 5, lock post switch 5 drove lock post 2 and rotates, when the locking piece 21 on lock post 2 aligns with lock post hole 12, the human seat is behind the bench, and the chair foot receives pressure and presses down installation pole 3, and installation pole 3 presses down lock post 2, compression spring 6 presses into lock post hole 12 with lock post 2, and lock post hole 12 blocks lock post 2, blocks installation pole 3 through lock post 2 card for pulley 4 of bench can not rotate, makes the bench can only the back-and-forth movement.
The people leaves the bench for the bench disappears to the pressure of lock post 2, makes spring 6 kick-back lock post 2, pops out lock post hole 12 with lock post 2, then stirs lock post switch 5, makes the long limit of the locking piece 21 of lock post 2 and relative, and after the people sat the bench, locking piece 21 card was on kicking block 11, can let the bench carry out a slip of freedom.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A hand-steered locked castor comprising: the pulley seat is characterized in that a lock cylinder hole is formed in the upper end of the pulley seat and penetrates through the pulley seat, the lock cylinder hole is a counter bore, the diameter of the upper end of the lock cylinder hole is larger than that of the lower end of the lock cylinder hole, two ends of the top of the lock cylinder hole are provided with protruding jacking blocks, so that a long round hole-shaped structure is formed at the upper end of the top of the lock cylinder hole, one side end of the lock cylinder hole is provided with a first concave groove, the jacking block at one side is provided with a second concave groove, a lock cylinder is arranged in the lock cylinder hole and extends to the lower end of the pulley seat, the upper end of the lock cylinder is a long round lock block, the side end of the lock block is provided with a protruding lug, the lower end of the lock block is provided with a lock rod, the lower end of the lock rod is provided with a fixture block which is of a trapezoid structure, the fixture block extends to the outside of the pulley seat, a spring, a wheel axle seat is arranged on the pulley seat at the rear end of the lock cylinder switch, a clamping groove is arranged in the middle of the lock cylinder switch, a through hole penetrating through the wheel axle seat is arranged on the side edge of the wheel axle seat, a wheel axle is arranged in the through hole,
the wheel comprises a wheel shaft and is characterized in that two sides of the wheel shaft are respectively provided with a convex ring, the diameter of each convex ring is slightly larger than that of the wheel shaft, the rear end of each convex ring is provided with an inward concave groove, and pulleys are arranged on two sides of the wheel shaft.
2. A hand steer locked castor according to claim 1, wherein said lock block is slightly smaller in size than the oblong hole at the top of the cylinder bore.
3. The castor of claim 1, wherein the locking pin switch has a slot with the same shape and size as the locking block and is in interference fit with the locking block.
4. The castor according to claim 1, wherein said lock cylinder switch has a lock handle at a side thereof, and a protruding lock handle stop is provided at both sides of the other end of said lock cylinder switch.
5. The manually steering locked castor of claim 1, wherein said locking post switch has a raised stop on the lower end of said axle seat at the rear end thereof.
6. A hand steer-lock caster according to claim 1, wherein said spring has a spring limit of 6.8 kilograms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822194226.6U CN209813622U (en) | 2018-12-26 | 2018-12-26 | Universal caster capable of being locked through manual steering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822194226.6U CN209813622U (en) | 2018-12-26 | 2018-12-26 | Universal caster capable of being locked through manual steering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209813622U true CN209813622U (en) | 2019-12-20 |
Family
ID=68869925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822194226.6U Expired - Fee Related CN209813622U (en) | 2018-12-26 | 2018-12-26 | Universal caster capable of being locked through manual steering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209813622U (en) |
-
2018
- 2018-12-26 CN CN201822194226.6U patent/CN209813622U/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: 20191220 Termination date: 20201226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |