CN220374191U

CN220374191U - Multifunctional castor

Info

Publication number: CN220374191U
Application number: CN202321459365.1U
Authority: CN
Inventors: 孙世伟
Original assignee: Zhongshan Weixin Caster Manufacturing Co ltd
Current assignee: Zhongshan Weixin Caster Manufacturing Co ltd
Priority date: 2023-06-08
Filing date: 2023-06-08
Publication date: 2024-01-23
Anticipated expiration: 2033-06-08

Abstract

The application provides a multifunctional castor, locate including support, rotatable gyro wheel on the support, be equipped with the mounting hole on the support, be equipped with the bearing frame on the mounting hole, the bearing frame endotheca is equipped with the bearing, wear to be equipped with the connecting piece on the bearing, be equipped with on the bearing frame can with the directional piece of connecting piece joint, the support is close to the gyro wheel upside is equipped with and is used for the braking the brake subassembly of gyro wheel, one side of gyro wheel still is equipped with prevents swift current subassembly, through setting up connecting piece and directional piece looks joint, realizes sharp directional function, through setting up the swift current subassembly in castor one side, realizes advancing directional function, through setting up brake subassembly in the support near gyro wheel upside, has saved the required material of production, has increased the stability of structure, the stability of braking when satisfying berthhing, and the practicality is high.

Description

Multifunctional castor

Technical Field

The application relates to the technical field of casters, in particular to a multifunctional caster.

Background

In recent years, with the increasing requirements of people on safety performance, in the application occasions of wheels, in particular in devices such as hospital appliances, the directional and anti-slip functions become an essential requirement, and more comfortable, safe and practical use experience is provided for users. However, the current universal castor has the problem that the directional and anti-slip functions cannot be simultaneously provided, and the requirements of users cannot be completely met.

In the prior art, a structural design of a fixed base and a movable wheel frame is generally adopted, namely, the wheel frame under the base is connected with the wheel frame through a roller, so that the wheel frame can rotate in any direction of the base. However, such designs increase the flexibility and adjustability of the wheel while sacrificing directionality and anti-slip performance requirements. Due to the movable nature of the rollers, the wheels are difficult to keep moving in a stable direction, and particularly, the wheels are easier to slide under the condition that the ground is inclined, so that the experience and the safety of a user are affected.

There is still room for further improvement in the art for this situation. Through the technical means such as reconstruction design and material updating to wheel carrier and connecting portion, can realize that the wheel possesses directional and swift current function simultaneously to improve user experience and the security performance of product, and some universal castor of taking brake its material uses more, can't satisfy environmental protection production's demand, intangibly increased manufacturing cost.

Disclosure of Invention

In order to solve the technical problem, the multifunctional castor simultaneously has the advantages of linear orientation, forward orientation and braking.

The utility model provides a multifunctional castor, includes the support, rotationally locates gyro wheel on the support, be equipped with the mounting hole on the support, be equipped with the bearing frame on the mounting hole, the bearing frame endotheca is equipped with the bearing, wear to be equipped with the connecting piece on the bearing, be equipped with on the bearing frame can with the orientation piece of connecting piece joint, the support is close to the gyro wheel upside is equipped with and is used for the braking the brake subassembly of gyro wheel, one side of gyro wheel still is equipped with anti-slip subassembly.

The multifunctional castor comprises a ratchet wheel arranged on one side of the roller, a pawl arranged on one side of the bracket close to the ratchet wheel and capable of being abutted with the ratchet wheel, and a switch piece arranged on one side of the bracket far away from the ratchet wheel and hinged with the pawl, wherein when the pawl is close to and abutted with the ratchet wheel, the roller is in a forward orientation state; when the pawl is far away from the ratchet wheel and unlocks the ratchet wheel, the roller is in a universal state.

As described above, the multifunctional castor is further provided with a first limiting member and a second limiting member on the same side of the bracket as the switch member, and when the switch member is abutted to the first limiting member, the roller is in a forward orientation state; when the switch piece is abutted with the second limiting piece, the roller is in a universal state.

As described above, the multifunctional castor is further provided with an elastic member for resetting the pawl, one end of the elastic member is connected with the pawl, and the other end of the elastic member is connected with the first limiting member.

The multifunctional castor is characterized in that the connecting piece is provided with a plurality of bayonets which can be clamped with the orientation piece, and when the orientation piece is clamped with the bayonets, the idler wheel is in a linear orientation state; when the orientation piece is far away from the bayonet, the roller is in a universal state.

The multifunctional castor is characterized in that the bearing seat is provided with a first hinge shaft capable of being hinged with the orientation piece, and the orientation piece can rotate around the first hinge shaft and is close to and far away from the bayonet so that the roller is in a linear orientation state and a universal state.

The multifunctional castor comprises the braking component and the braking elastic piece, wherein the braking component is hinged to the bracket and is arranged on the bracket and positioned between the braking button and the roller, and the braking button can drive the braking elastic piece to be propped against the roller.

As the multifunctional castor is arranged on the bracket, two opposite hinging plates are arranged on the upper side of the roller, a second hinging shaft is arranged on the two hinging plates in a penetrating mode, and the brake button can rotate around the second hinging shaft so as to control the brake spring piece to be close to or far away from the roller.

As the multifunctional castor is characterized in that the upper flange is arranged at the lower end of the braking button, which is close to the braking spring, and when the braking button rotates downwards around the second hinge shaft, the upper flange drives the braking spring to be arranged on the roller in an upper mode, and the upper flange is clamped on the braking spring to keep the upper state.

As described above, the braking spring plate comprises a fixing section fixed on the lower end surface of the bracket and positioned above the roller, and a spring section with one end integrally connected to the fixing section near the braking button and the other end inclined downwards along the peripheral side of the roller.

Compared with the prior art, the beneficial effects of the application are as follows:

the utility model provides a multifunctional castor realizes straight line directional function through setting up the mutual joint of connecting piece and orientation piece, through setting up the swift current subassembly in castor one side, realizes advancing directional function, is close to the gyro wheel upside through the support and sets up brake subassembly, has saved the required material of production, has increased the stability of structure, satisfies the stability of braking when berthing, and the practicality is high.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that are required to be used in the description of the embodiments will be briefly described below.

FIG. 1 is a schematic perspective view of a multi-function caster of the present application;

FIG. 2 is an exploded view of a multi-function caster of the present application;

FIG. 3 is a cross-sectional view of a multi-function caster of the present application;

FIG. 4 is a forward orientation of the multi-function caster of the present application;

FIG. 5 is a cross-sectional view of the universal state of a multi-function caster of the present application;

FIG. 6 is a schematic view of the brake assembly and the orienting member of a multi-function castor of the present application in use;

fig. 7 is a schematic view showing the advancing and straight directional states of a multi-function castor according to the present application.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

as shown in fig. 1 to 7, a multifunctional castor comprises a bracket 1, a mounting hole 10, a roller 2, a bearing seat 3, a bearing 4, a brake assembly 5, a directional member 6, a slip prevention assembly 7, a ratchet 70 and a pawl 71.

The utility model provides a multifunctional castor, includes support 1, rotatable locating gyro wheel 2 on the support 1, be equipped with mounting hole 10 on the support 1, be equipped with bearing frame 3 on the mounting hole 10, the bearing frame 3 endotheca is equipped with bearing 4, wear to be equipped with connecting piece 11 on the bearing 4, be equipped with on the bearing frame 3 can with the directional piece 6 of connecting piece 11 joint, support 1 is close to gyro wheel 2 upside is equipped with and is used for braking gyro wheel 2's brake subassembly 5, one side of gyro wheel 2 still is equipped with prevents swift current subassembly 7, through setting up connecting piece and directional piece looks joint, realizes sharp directional function, through setting up the swift current subassembly of preventing in castor one side, realizes advancing directional function, through setting up brake subassembly in the support near gyro wheel upside, has saved the required material of production, has increased the stability of structure, and the stability of braking when meeting is berthhed, and the practicality is high.

Preferably, the anti-slip assembly 7 comprises a ratchet wheel 70 arranged on one side of the roller 2, a pawl 71 arranged on one side of the bracket 1 close to the ratchet wheel 70 and capable of being abutted with the ratchet wheel 70, and a switch piece 72 arranged on one side of the bracket 1 away from the ratchet wheel 70 and hinged with the pawl 71, wherein when the pawl 71 is close to and abutted with the ratchet wheel 70, the roller 2 is in a forward oriented state; when the pawl 71 is far away from and unlocks the ratchet 70, the roller 2 is in a universal state, the pawl and the ratchet are mutually matched and clamped, the stability of the roller rotating when the roller is in a forward orientation state is increased, the switch piece is hinged with the pawl, a user can automatically select whether the roller needs to be in a straight line orientation or not, namely, the anti-slip effect, the use in places such as hospitals is met, and the space with narrow inclined angles is provided, so that the safety of the user can be increased through the anti-slip assembly.

Preferably, a first limiting member 12 and a second limiting member 13 are further disposed on the same side of the bracket 1 as the switch member 72, and when the switch member 72 abuts against the first limiting member 12, the roller 2 is in a forward orientation state; when the switch member 72 abuts against the second limiting member 13, the roller 2 is in a universal state, as shown in fig. 5 and 7, when the switch member knob is screwed down, the pawl can be lifted up to leave the ratchet wheel, the caster wheel is in a universal state, and when the switch member is screwed up to the first limiting member, the pawl is connected with the ratchet wheel in a matched manner, and the forward orientation state is achieved.

Preferably, the pawl 71 is further provided with an elastic member 710 for resetting the pawl 71, one end of the elastic member is connected with the pawl 71, the other end of the elastic member is connected with the first limiting member 12, and when the caster is in a forward orientation state, the elastic member continuously resets the pawl to a state of being cooperatively connected with the ratchet wheel, so that backward running is prevented.

Preferably, the connecting piece 11 is provided with a plurality of bayonets 14 capable of being clamped with the orientation piece 6, and when the orientation piece 6 is clamped with the bayonets 14, the roller 2 is in a linear orientation state; when the directional piece 6 is far away from the bayonet 14, the roller 2 is in a universal state, and is connected with the directional piece through the bayonet, so that the stability of the structure can be improved while materials are saved, the wheels can move more stably, the risk of the wheels being disturbed is avoided, and the safety performance of the wheels is greatly improved. Moreover, through setting up a plurality of bayonet sockets, can be according to the different service conditions joint, realize the nimble motion and the diversified application scenario of wheel.

Preferably, the bearing seat 3 is provided with a first hinge shaft 30 capable of being hinged with the orientation member 6, and the orientation member 6 can rotate around the first hinge shaft 30 and approach and separate from the bayonet 14, so that the roller 2 is in a straight orientation state and a universal state.

Preferably, the brake assembly 5 includes a brake button 51 hinged to the bracket 1, and a brake spring 50 disposed on the bracket 1 and located between the brake button 51 and the roller 2, where the brake button 51 may drive the brake spring 50 to be disposed on the roller 2, and the brake button drives the brake spring to be disposed on the roller by using a hinge manner, so that stability of the structure is fully utilized, and stability of the caster when the caster is parked is increased.

Preferably, the support 1 is provided with two opposite hinge plates 15 on the upper side of the roller, two hinge plates 15 are provided with second hinge shafts 16 in a penetrating manner, the brake button 51 can rotate around the second hinge shafts 16 to control the brake spring plate 50 to approach or depart from the roller 2, and the hinge plates and the hinge shafts are mutually hinged, so that materials are saved, and meanwhile, the braking and the roller can reach a braking limit distance.

Preferably, the lower end of the brake button 51 near the brake spring 50 is provided with a top flange 511, when the brake button 51 rotates downwards around the second hinge shaft 16, the top flange 511 drives the brake spring 50 to be placed on the roller 2 in a top mode, and the top flange 511 is clamped on the brake spring 50 to keep the brake spring in a top mode, and by means of the top flange, the operation of a user is facilitated, the stability of the structure is improved, and the stability of the brake spring in a parking mode is improved.

Preferably, the braking shrapnel 50 includes a fixed section 501 fixed on the lower end surface of the bracket 1 and located above the roller 2, and a shrapnel section 502 with one end integrally connected to the fixed section 501 near the side of the braking button 51 and the other end inclined downwards along the periphery of the roller 2, which not only increases the contact area between the shrapnel section and the roller, but also does not damage the stability of the structure, and can meet the requirement of reducing the use of materials and achieve various effects.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a multifunctional castor, includes support (1), rotatable gyro wheel (2) of locating on support (1), its characterized in that: be equipped with mounting hole (10) on support (1), be equipped with bearing frame (3) on mounting hole (10), bearing frame (3) endotheca is equipped with bearing (4), wear to be equipped with connecting piece (11) on bearing (4), be equipped with on bearing frame (3) can with orienting piece (6) of connecting piece (11) joint, support (1) are close to gyro wheel (2) upside is equipped with and is used for the braking brake subassembly (5) of gyro wheel (2), one side of gyro wheel (2) still is equipped with swift current subassembly (7).

2. A multi-function castor according to claim 1, wherein: the anti-slip assembly (7) comprises a ratchet wheel (70) arranged on one side of the roller (2), a pawl (71) arranged on one side of the bracket (1) close to the ratchet wheel (70) and capable of being abutted with the ratchet wheel (70), and a switch piece (72) arranged on one side of the bracket (1) far away from the ratchet wheel (70) and hinged with the pawl (71), wherein when the pawl (71) is close to and abutted with the ratchet wheel (70), the roller (2) is in a forward orientation state; the roller (2) is in a universal state when the pawl (71) is away from and unlocks the ratchet (70).

3. A multi-function castor as claimed in claim 2, wherein: a first limiting piece (12) and a second limiting piece (13) are arranged on the same side of the bracket (1) as the switch piece (72), and when the switch piece (72) is abutted to the first limiting piece (12), the roller (2) is in a forward orientation state; when the switch piece (72) is abutted with the second limiting piece (13), the roller (2) is in a universal state.

4. A multi-function castor according to claim 3, wherein: the pawl (71) is also provided with an elastic piece (710) for resetting the pawl (71), one end of the elastic piece is connected with the pawl (71), and the other end of the elastic piece is connected with the first limiting piece (12).

5. A multi-function castor according to claim 1, wherein: the connecting piece (11) is provided with a plurality of bayonets (14) which can be clamped with the orientation piece (6), and when the orientation piece (6) is clamped with the bayonets (14), the roller (2) is in a linear orientation state; when the orientation piece (6) is far away from the bayonet (14), the roller (2) is in a universal state.

6. A multi-function castor as defined in claim 5, wherein: the bearing seat (3) is provided with a first hinge shaft (30) which can be hinged with the orientation piece (6), and the orientation piece (6) can rotate around the first hinge shaft (30) and is close to and far away from the bayonet (14), so that the roller (2) is in a straight line orientation state and a universal state.

7. A multi-function castor according to claim 1, wherein: the brake assembly (5) comprises a brake button (51) hinged to the support (1) and a brake spring piece (50) arranged on the support (1) and located between the brake button (51) and the roller (2), and the brake button (51) can drive the brake spring piece (50) to be propped against the roller (2).

8. A multi-function castor as defined in claim 7, wherein: the support (1) is located two articulated pieces (15) that the gyro wheel upside was equipped with relative setting, two wear to be equipped with second articulated shaft (16) on articulated piece (15), braking button (51) can wind second articulated shaft (16) rotate, in order to control braking shell fragment (50) are close to or keep away from gyro wheel (2).

9. A multi-function castor as defined in claim 8, wherein: the brake button (51) is close to the lower extreme of brake shell fragment (50) is equipped with overhead flange (511), when brake button (51) are around second articulated shaft (16) rotate downwards, overhead flange (511) drive brake shell fragment (50) overhead is placed on gyro wheel (2), just overhead flange (511) joint in on brake shell fragment (50) so that it keeps overhead state.

10. A multi-function castor as defined in claim 7, wherein: the braking shell fragment (50) is including being fixed in terminal surface under support (1) and be located fixed section (501) of gyro wheel (2) top, and one end an organic whole connect in fixed section (501) is close to braking button (51) side, the other end is down along shell fragment section (502) of gyro wheel (2) week side slope.