CN219821110U - Universal castor with adjustable mounting port - Google Patents

Abstract

The utility model belongs to the technical field of casters, and discloses a universal caster with an adjustable mounting port, which comprises a mounting head, wherein a lug is arranged below the mounting head; the connecting block is arranged above the castor; the outer frame is positioned below the connecting block, an axle is arranged below the outer frame, and a roller is arranged in the middle of the axle; an adjusting mechanism located on the connection block; an emergency braking mechanism located above the roller. The universal castor with the adjustable mounting port is suitable for mounting heads with different diameters by arranging the mounting port into the mounting port with the adjustable diameter, and can be stably mounted under the condition that the mounting heads are worn for many times; the emergency braking mechanism with simple structure is arranged above the roller, the rubber block connected with the top end of the connecting block is in contact with the roller, the roller can be effectively stopped by the rubber material with larger friction force, and the emergency braking mechanism has the advantages of simple structure, convenient operation and lower cost.

Description

Universal castor with adjustable mounting port

Technical Field

The utility model relates to the technical field of casters, in particular to a universal caster with an adjustable mounting port.

Background

The casters are rollers matched with devices such as a trolley and the like which need to move, and the arc-shaped rollers roll on the ground, so that the friction force between the arc-shaped rollers and the ground is reduced, the migration is more labor-saving, and the casters are widely used in various migration sliding devices and are divided into various types according to functions and characteristics of the casters.

Among the casters currently available on the market, the universal wheel is installed in a manner of randomly adjusting the direction angle thereof, the universal wheel is installed mostly by being clamped with a bump at the bottom of an installation head, the installation is convenient and quick, as disclosed in application number CN201510350102.0, a caster comprising a body comprising a caster rod cavity, the caster rod is rotatably installed in the caster rod cavity to allow the caster rod to rotate around the axis of the caster rod relative to the body, the caster rod can comprise a spline shaft extending from the caster rod into the caster rod cavity, the caster rod and the spline shaft are operatively connected, the caster rod cavity can be provided with a spline sleeve, the spline sleeve and the body are operatively connected with each other, the spline shaft and the spline sleeve are detachably interlocked, one of the spline sleeve and the spline shaft can move along the axis direction of the caster rod between a steering position, in which the spline shaft is not engaged with the spline sleeve, and a spline sleeve is engaged with the spline sleeve, so that the caster is installed in this manner, but the following problems still exist in use:

because the lug of installation head bottom can have wearing and tearing after dismantling through repeated multiple installation to and the installation head has the diameter difference that the model is different, makes the truckle only can install on the installation head of fixed model, and current activity area in the present market is stopped the truckle, and its inner structure is complicated, blocks easily because of inside and influences the wheel of stopping, has the condition that is difficult to stop promptly when the speed that smooth ground truckle removed is too fast.

Disclosure of Invention

The utility model aims to provide a universal castor with an adjustable mounting port, which aims to solve the problems that the castor is required to be mounted correspondingly in the prior market and a mounting head which is mounted and dismounted is worn to cause unstable mounting and the situation that a roller is difficult to stop when running rapidly on a smooth ground.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a universal caster with an adjustable mounting port, comprising:

the mounting head is provided with a bump below;

the connecting block is arranged above the trundle and used for connecting the mounting port and the outer frame;

the outer frame is positioned below the connecting block, an axle is arranged below the outer frame, and a roller is arranged in the middle of the axle;

the adjusting mechanism is positioned on the connecting block, positioned at the caster mounting port and used for adjusting the caliber of the mounting port;

the adjusting mechanism comprises a mechanism body, wherein the adjusting mechanism comprises a mechanism body,

the clamping plate is positioned on the inner wall of the caster mounting opening and is used for adjusting the diameter of the mounting opening;

the clamping grooves are positioned above the clamping plates, and a plurality of clamping grooves are formed in the clamping plates;

the adjustment mechanism may further comprise a mechanism for adjusting the position of the arm,

the fixed ring is positioned above the caster mounting opening and is annular;

the pin strip is connected below the fixed ring, corresponds to the clamping groove and is smaller in length and width than the clamping groove;

and the emergency braking mechanism is positioned above the roller and is used for braking the roller.

Preferably, the emergency braking mechanism comprises,

the movable shaft is positioned at the left side of the outer frame, and a torsion spring is arranged at the outer side of the movable shaft;

and the pedal is positioned at the outer side of the movable shaft, and extends out of the outer frame to the right side.

Preferably, the emergency braking mechanism further comprises,

the connecting block is positioned below the pedal and is of an integrated structure with the pedal;

and the rubber block is positioned below the connecting block and is in contact with the roller.

Preferably, one side of the torsion spring is connected to the outer side of the movable shaft, and the other side of the torsion spring is connected to the inner wall of the pedal shaft, so that a torsion spring reset structure is formed.

Compared with the prior art, the utility model has the beneficial effects that: this general truckle of adjustable installing port:

1. the mounting port is set to be the mounting port with adjustable diameter, so that the caster is applicable to mounting of mounting heads with different diameters, and can be stably mounted under the condition that the mounting heads are worn for many times, and the clamping plate with the adjustable diameter port not only plays a role in adjusting the diameter port, but also plays a role in clamping the mounting heads;

2. be provided with simple structure's emergency brake mechanism in the gyro wheel top, compare in current area gyro wheel of stopping, its brake structure is simpler, is difficult for blocking, during the operation, can make the connecting block that the footboard is connected along with the footboard is rotatory around the loose axle through the footboard of footboard to make the rubber slab that the connecting block top is connected contact with the gyro wheel, the great rubber material of frictional force can make the gyro wheel effectively stop, its simple structure convenient operation, the cost is lower.

Drawings

FIG. 1 is a schematic diagram of the overall front view of the present utility model;

FIG. 2 is a schematic top view of the mounting opening of the present utility model;

FIG. 3 is a schematic front view of the retaining ring of the present utility model;

FIG. 4 is a schematic cross-sectional view of an emergency brake mechanism of the present utility model;

fig. 5 is an enlarged schematic view of the structure of the present utility model at a.

In the figure: 1. a mounting head; 2. a bump; 3. a connecting plate; 4. an outer frame; 5. a wheel axle; 6. a roller; 7. an adjusting mechanism; 701. a clamping plate; 702. a clamping groove; 703. a fixing ring; 704. a pin strip; 8. an emergency braking mechanism; 801. a movable shaft; 802. a pedal; 803. a connecting block; 804. a rubber block; 805. and (3) a torsion spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: a universal caster with an adjustable mounting port, comprising:

a mounting head 1, under which a bump 2 is arranged;

a connecting plate 3 arranged above the casters for connecting the mounting port with the outer frame 4;

the outer frame 4 is positioned below the connecting plate 3, an axle 5 is arranged below the outer frame 4, and a roller 6 is arranged in the middle of the axle 5;

an adjusting mechanism 7 located on the connecting plate 3 and located at the caster mounting port, the adjusting mechanism 7 comprising a clamping plate 701 located at the inner wall of the caster mounting port for adjusting the diameter of the mounting port; the clamping groove 702 is positioned above the clamping plate 701, a plurality of clamping grooves 702 are arranged on the clamping plate 701, and the adjusting mechanism 7 further comprises a fixing ring 703 which is positioned above the caster mounting opening, wherein the fixing ring 703 is annular; the pin strip 704 is connected below the fixed ring 703, the pin strip 704 corresponds to the clamping groove 702, and the length and width of the pin strip 704 are smaller than those of the clamping groove 702, so that the caliber of the mounting opening is adjusted, the caster can be suitable for mounting heads 1 with different diameters, and the effect of stable mounting can be achieved.

The emergency braking mechanism 8 is positioned above the roller 6, the emergency braking mechanism 8 comprises a movable shaft 801 which is positioned at the left side of the outer frame 4, and a torsion spring 805 is arranged at the outer side of the movable shaft 801; a pedal 802 located outside the movable shaft 801, the pedal 802 extending rightward out of the outer frame 4, the emergency brake mechanism 8 further including a connection block 803 located below the pedal 802, the connection block 803 being of an integrated structure with the pedal 802; rubber block 804, it is located connecting block 803 below, and rubber block 804 contacts with gyro wheel 6, and torsion spring 805 one side is connected in the loose axle 801 outside, and torsion spring 805 opposite side is connected at footboard 802 axial inner wall, constitutes torsion spring reset structure for stop gyro wheel 6, make gyro wheel 6 also can stabilize promptly stop when smooth ground rolls fast, and this emergency braking mechanism 8 simple structure is difficult for the card to die, low cost.

Working principle: according to fig. 1-5, when the caster mounting port and the mounting head 1 are mounted, firstly, the fixing ring 703 is lifted upwards, the pin 704 is disengaged from the clamping groove 702, the clamping plate 701 can move on the wall of the mounting port, the mounting head 1 is inserted into the mounting port of the caster, the bottom of the mounting head 1 is provided with the convex block 2 which is engaged with the inner wall of the mounting port (this is the mounting mode of the conventional universal wheel), after the mounting is completed, in order to prevent the problem that the fit degree between the mounting head 1 and the mounting port is not high due to model problem or the mounting is not firm due to repeated friction of the convex block 2, the clamping plate 701 is adjusted to a proper position, the clamping plate 701 has a limiting effect on the mounting head 1, the clamping plate 701 is pulled inwards or outwards on the inner wall of the mounting port, after the clamping plate 701 is adjusted to a proper size, the fixing ring 703 is inserted from top down, the pin 704 is corresponding to the clamping groove 702 on the clamping plate 701, so that the clamping plate 701 is fixed and limited at the current adjusting size, then the roller 6 can be used for rolling, the transportation and migration of the device are facilitated, in the process, when the emergency stop is needed, the pedal 802 rotates around the movable shaft 801 through stepping the pedal 802 by feet, the connecting block 803 connected with the bottom of the pedal 802 is displaced together with the pedal 802 until the rubber block 804 at the bottom of the connecting block 803 contacts with the surface of the roller 6, the rubber block 804 with larger friction force can effectively lead the roller 6 to stop quickly, the roller 6 can not stop effectively on a smooth ground, the emergency braking mechanism 8 has simple structure, is not easy to block, is convenient to overhaul, has low cost and can stop effectively, so that the function introduction and the step description of the universal castor of the whole adjustable mounting port are realized, what is not described in detail in this specification is prior art known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (4)

1. A universal caster with an adjustable mounting port, comprising:

the mounting head (1) is provided with a bump (2) below;

the connecting plate (3) is arranged above the trundles and is used for connecting the mounting port and the outer frame (4);

the outer frame (4) is positioned below the connecting plate (3), an axle (5) is arranged below the outer frame (4), and a roller (6) is arranged in the middle of the axle (5);

the adjusting mechanism (7) is positioned on the connecting plate (3) and positioned at the mounting opening of the trundle and used for adjusting the caliber of the mounting opening;

the adjusting mechanism (7) comprises a first adjusting mechanism,

a clamping plate (701) positioned on the inner wall of the caster mounting port and used for adjusting the diameter of the mounting port;

a card slot (702) located above the card board (701), wherein a plurality of card slots (702) are arranged on the card board (701);

the adjusting mechanism (7) also comprises a control device,

a fixing ring (703) located above the caster mounting port, the fixing ring (703) having a ring shape;

a pin strip (704) connected below the fixed ring (703), wherein the pin strip (704) corresponds to the clamping groove (702), and the length and width of the pin strip (704) are smaller than those of the clamping groove (702);

and the emergency braking mechanism (8) is positioned above the roller (6) and is used for braking the roller (6).

2. A universal castor for an adjustable mounting according to claim 1, wherein: the emergency braking mechanism (8) comprises,

a movable shaft (801) which is positioned at the left side of the outer frame (4), and a torsion spring (805) is arranged at the outer side of the movable shaft (801);

and a pedal (802) which is positioned outside the movable shaft (801), wherein the pedal (802) extends out of the outer frame (4) to the right.

3. A universal castor for an adjustable mounting according to claim 2, wherein: the emergency braking mechanism (8) further comprises,

-a connection block (803) located below the pedal (802), the connection block (803) being of integral construction with the pedal (802);

and the rubber block (804) is positioned below the connecting block (803), and the rubber block (804) is contacted with the roller (6).

4. A universal castor with adjustable mounting according to claim 3, wherein: one side of the torsion spring (805) is connected to the outer side of the movable shaft (801), and the other side of the torsion spring (805) is connected to the inner wall of the pedal (802) shaft, so that a torsion spring reset structure is formed.