CN216961717U - Wheel convenient to dismouting - Google Patents

Abstract

The utility model discloses a wheel convenient to disassemble and assemble, which comprises a fixed seat, a connecting shaft, a wheel assembly, a spring, a clamping piece and a limiting part, wherein the fixed seat is fixed on the wheel assembly; one end of the connecting shaft is detachably connected with the fixed seat, and the other end of the connecting shaft is rotatably connected with the wheel assembly; the fixing seat comprises a first side face, a locking groove is formed in the first side face and is perpendicular to the first side face, a connecting hole penetrating through the fixing seat and parallel to the first side face is formed in the fixing seat, and the connecting hole is communicated with the locking groove; the spring is arranged in the locking groove and is connected with the clamping piece; the clamping piece is provided with a limiting notch opposite to the connecting hole and an operating part extending out of the locking groove, and the connecting shaft is provided with a circle of annular groove matched with the limiting notch; the limiting part is arranged on the fixed seat and used for limiting the card to move towards the direction far away from the connecting hole.

Description

Wheel convenient to dismouting

Technical Field

The utility model relates to a luggage accessory, in particular to a wheel convenient to disassemble and assemble.

Background

Most of wheels of the existing trolley case or trolley backpack on the market are fixedly connected with a case body and are difficult to take down. Compared with the box body, the wheels are more easily damaged due to the influence of factors such as heavy pressure, impact, abrasion and the like in the long-term use process. After the bag is damaged, the bag cannot be replaced and is not easy to maintain, so that people often discard the bag, and the bag wastes resources greatly. Moreover, the wheels are generally arranged at the bottom of the box body or the bag body, so that the size of the case is increased virtually, but the capacity of the case is not increased, and waste is caused in space.

Disclosure of Invention

The utility model aims to provide a wheel which is convenient to disassemble, stable and reliable in structure, few in parts and long in service life.

In order to overcome the defects in the existing design, the utility model adopts the following technical scheme:

a wheel convenient to disassemble and assemble comprises a fixed seat, a connecting shaft and a wheel assembly, wherein one end of the connecting shaft is connected with the fixed seat, and the other end of the connecting shaft is rotatably connected with the wheel assembly; the utility model also comprises a spring, a clamping piece and a limiting part; the fixing seat comprises a first side surface, wherein a locking groove is formed in the first side surface and is perpendicular to the first side surface; the fixed seat is also provided with a connecting hole which penetrates through the fixed seat and is parallel to the first side surface, and the connecting hole is communicated with the locking groove; one end of the spring is supported in the locking groove, and the other end of the spring is connected with the clamping piece; the card is provided with a limit notch opposite to the position of the connecting hole and an operation part extending out of the locking groove; a circle of annular groove is arranged on the connecting shaft and matched with the limiting notch; the limiting part is arranged on the fixed seat and used for limiting the card to move towards the direction far away from the connecting hole.

Preferably, the upper end portion is arranged above the annular groove on the connecting shaft, the outer diameter of the upper surface of the upper end portion is smaller than or equal to the outer diameter of the annular groove, and the outer diameter of the lower surface of the upper end portion is consistent with the outer diameter of the connecting shaft below the annular groove.

Preferably, the upper end of the connecting shaft is a semi-sphere, a round table or a cone.

Preferably, the limiting part comprises an inserting piece, an inserting piece hole matched with the limiting part is formed in the corresponding position of the fixing seat, an inserting piece groove is formed in the corresponding position of the inserting piece, and the inserting piece penetrates through the inserting piece hole and the inserting piece groove.

Preferably, the operating part is externally sleeved with an operating sleeve.

Preferably, the side face of the fixed seat close to the bottom of the luggage is provided with a baffle plate with an arc shape facing downwards.

The utility model has the beneficial effects that: the upper end part of the connecting shaft is small at the upper part and large at the lower part, and when the connecting shaft is inserted, an operation part is not required to be operated, and the groove of the connecting shaft automatically slides into the limiting notch to be locked under the action of the spring; during the unblock, also only need press the operation portion for spacing breach and recess break away from, unblock, whole easy operation, smooth. During the installation, install spring, card earlier and install spacing inserted sheet again, spacing inserted sheet has restricted the card to the direction removal of keeping away from the connecting hole, makes the card can't break away from locking groove on the one hand for overall structure safety is firm, and on the other hand has also prevented that the spring from leading to the deformation because biaxial tension compression, has further prolonged the life of spring. When card or spring damage, also can be through pulling out spacing plug-in card, change the spare part that damages. The utility model has reasonable structural design, stable and reliable structure, quick disassembly and convenient installation.

Description of the drawings:

FIG. 1 is a top view of an embodiment of the present invention;

FIG. 2 is a sectional view taken along line A-A in accordance with an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a connecting shaft according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a card structure according to an embodiment of the present invention;

FIG. 5 is a front view of an insert according to an embodiment of the present invention;

reference numerals: 1-a fixed seat, 2-a connecting shaft, 3-a wheel component, 4-a spring, 5-a clamping piece, 6-a limiting insertion piece, 7-an operation sleeve, 8-a baffle, 11-a first side surface, 12-a locking groove, 13-a connecting hole, 14-an insertion piece hole, 21-an annular groove, 22-an upper end part, 51-a limiting notch, 52-an operation part and 53-an insertion piece groove.

Detailed Description

The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.

Example (b): referring to fig. 1-5, the present embodiment includes a fixing base 1, a connecting shaft 2, and a wheel assembly 3, wherein one end of the connecting shaft 2 is connected to the fixing base 1, and the other end is rotatably connected to the wheel assembly 3. The wheel assembly 3 includes a wheel carrier, a wheel and an axle. The wheel shaft penetrates through the wheel and is rotatably arranged on the wheel frame, and the wheel frame is rotatably connected with the connecting shaft 2. The embodiment also comprises a spring 4, a card 5 and a limiting part 6; the fixing seat comprises a first side surface 11, a locking groove 12 is formed in the first side surface 11, the locking groove 12 is perpendicular to the first side surface 11, a connecting hole 13 penetrating through the fixing seat 1 and parallel to the first side surface 11 is further formed in the fixing seat 1, and the connecting hole 13 is communicated with the locking groove 12; the spring 4 is arranged in the depth of the locking groove 12, and one end of the spring is connected with the card 5; the card 5 is provided with a stopper notch 51 opposed to the attachment hole 13 and an operating portion 52 protruding from the locking groove 12. A circle of annular groove 21 is arranged on the connecting shaft 2 and matched with the limit notch 51; the limit notch 51 is composed of a u-shaped hole with a diameter smaller than the outer diameter of the lower surface of the connecting shaft 2 but larger than or equal to the outer diameter of the annular groove 21 and an insertion hole with a width larger than the outer diameter of the lower surface of the connecting shaft 2, and the u-shaped hole is communicated with the insertion hole. The working principle is as follows: the operation part 52 is manually pressed, the spring 4 is compressed, the jack moves to the position opposite to the connecting hole 13, and the connecting shaft 2 penetrates through the jack and the connecting hole 13; the operation part 52 is released, the clamping piece 5 rebounds under the action of the spring 4, the U-shaped hole is just clamped in the annular groove 21 of the connecting shaft 2, and the connecting shaft 2 and the fixed seat 1 are connected and locked with each other. The operation portion 52 is manually pressed again, and the connection shaft 2 and the fixing base 1 can be separated from each other.

Furthermore, the limiting part is installed on the fixing seat 1 and used for limiting the card 5 to move towards the direction far away from the connecting hole 13, and the limiting part of the embodiment of the utility model has no fixed shape so as to realize the limiting function. This embodiment is resources are saved, so the spacing portion of adoption be a spacing inserted sheet 6, and one end is equipped with two spacing pins for rectangle one end. The top of the fixed seat 1 is provided with an inserting sheet hole 14 matched with the limiting inserting sheet 6 in size, and an inserting sheet groove 53 is formed in the corresponding position of the card 5. The inserting sheet groove 53 and the limiting notch 51 may be separately arranged or may be communicated, and in this embodiment, in order to save the manufacturing process, the inserting sheet groove 53 and the limiting notch 51 are communicated. During the installation, install spring 4 earlier, card 5 and install spacing inserted sheet 6 again, spacing inserted sheet 6 has restricted the card to removing to the direction of keeping away from connecting hole 13, avoids card 5 to damage or when warping because of spring 4 on the one hand, imbeds locking groove 12, can't take out, and on the other hand has also prevented spring 4 because long-term biaxial stretching compression, leads to warping, has further prolonged spring 4's life. When the card 5 or the spring 4 is damaged, the damaged part can be replaced by pulling out the limit plug-in card 6.

Furthermore, the upper portion of the connecting shaft annular groove 21 is provided with an upper end portion 22, the outer diameter of the upper surface of the upper end portion 22 is smaller than or equal to the outer diameter of the groove 21, and the outer diameter of the lower surface of the upper end portion 22 is consistent with the outer diameter of the connecting shaft 2 below the groove 21. The upper end 22 is semi-spherical, frustoconical or conical. The upper end 22 employed in this embodiment is semi-spherical. The upper end sets to big end down, and the side is the cambered surface, during the grafting, need not to control the operating portion, and the upper end can be backed down the U shape hole by oneself to under the spring action, the recess is automatic to be slided into the U shape hole and is locked, saves the operating procedure, convenient and fast, and the one hand just can be operated.

Further, in order to make the user use the operation portion 52 better and improve comfort, the operation portion is externally sleeved with an operation sleeve 7 in the present embodiment.

Furthermore, in order to prevent the bottom of the case from being polluted by splashed muddy water or dirt on the wheels during use, the side surface of the fixed seat 1 close to the bottom of the case is provided with a baffle 8 with an arc shape facing downwards.

In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an illustration of the structure of the present invention. Equivalent or simple changes in the structure, characteristics and principles of the utility model are included in the protection scope of the patent. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the utility model as defined in the accompanying claims.

Claims (6)

1. A wheel convenient to disassemble and assemble comprises a fixed seat, a connecting shaft and a wheel assembly, wherein one end of the connecting shaft is connected with the fixed seat, and the other end of the connecting shaft is rotatably connected with the wheel assembly; it is characterized by also comprising a spring, a clamping piece and a limiting part; the fixing seat comprises a first side surface, wherein a locking groove is formed in the first side surface and is perpendicular to the first side surface; the fixed seat is also provided with a connecting hole which penetrates through the fixed seat and is parallel to the first side surface, and the connecting hole is communicated with the locking groove; one end of the spring is propped in the locking groove, and the other end of the spring is connected with the clamping piece; the card is provided with a limiting notch opposite to the connecting hole and an operating part extending out of the locking groove; a circle of annular groove is arranged on the connecting shaft and matched with the limiting notch; the limiting part is arranged on the fixed seat and used for limiting the card to move towards the direction far away from the connecting hole.

2. A wheel easy to disassemble and assemble according to claim 1, wherein the connecting shaft is provided with an upper end part above the annular groove, the outer diameter of the upper surface of the upper end part is smaller than or equal to the outer diameter of the annular groove, and the outer diameter of the lower surface of the upper end part is consistent with the outer diameter of the connecting shaft below the annular groove.

3. A wheel as claimed in claim 2, wherein the upper end of the connecting shaft is formed in a shape of a semi-sphere, a truncated cone or a cone.

4. A wheel convenient for assembly and disassembly according to any one of claims 1-3, wherein the limiting portion comprises a plug, a corresponding position of the fixing base is provided with a plug hole matched with the fixing base, a corresponding position of the plug is provided with a plug groove, and the plug is inserted through the plug hole and the plug groove.

5. A wheel as claimed in claim 4, wherein the operating portion is provided with an operating sleeve.

6. A wheel as claimed in claim 4, wherein the retaining bracket has a downwardly facing arcuate stop on the side of the retaining bracket adjacent the base of the container.

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