CN216393303U

CN216393303U - PC case convenient to truckle dismouting

Info

Publication number: CN216393303U
Application number: CN202121941573.6U
Authority: CN
Inventors: 彭志勇
Original assignee: Jiangxi Boying Industrial Co ltd
Current assignee: Jiangxi Boying Industrial Co ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-04-29
Anticipated expiration: 2031-08-18

Abstract

The utility model relates to the technical field of cases and bags, and particularly discloses a PC (personal computer) case convenient for dismounting and mounting trundles, which comprises a fixed plate symmetrically and fixedly connected to the bottom surface of a case body, wherein through grooves coaxial with connecting grooves are symmetrically formed in the fixed plate, springs are fixedly connected into the through grooves, the trundles are in threaded connection with the connecting grooves, each trundle comprises a connecting piece and a roller rotatably connected to the lower portion of the connecting piece, each connecting piece comprises a fixed shaft in threaded connection with the connecting grooves, a threaded through hole formed in the side wall of the fixed shaft and a rotating piece fixedly connected to the end portion of the fixed shaft, a first clamping block and a second clamping block fixedly connected to the fixed shaft are arranged on the upper side and the lower side of the threaded through hole, and a damping assembly is arranged between the second clamping block and the rotating piece.

Description

PC case convenient to truckle dismouting

Technical Field

The application relates to the technical field of bags and bags, and particularly discloses a PC box convenient for dismounting and mounting of trundles.

Background

The truckle of current case and bag is mostly the dead type structure of lock, its truckle is installation back usually, be difficult to dismantle or when dismantling, damage the base of case and bag easily, and along with the main part technique of case and bag, the continuous innovation of material, it is also common to adopt aluminum alloy or high rigidity plastics to carry out fashioned case and bag, this kind of durable case and bag is after long-term the use, truckle surface wear appears easily or the truckle collides with the damage scheduling condition, if renew, so the cost is very high, if can carry out the truckle change and can not cause destructive dismantlement to the draw-bar box body, so can improve the cost of maintenance and the use experience of case and bag greatly.

Chinese utility model CN201920042265.6 discloses a quick assembly disassembly truckle transport case, its characterized in that: the universal wheel type universal wheel box comprises a box body, universal wheels, a mounting plate, fastening screws, limiting screws and butterfly screws; the four mounting plates are arranged on the four bottom corners of the transport case through fastening screws; the side is equipped with the chucking board around the bottom surface of mounting panel, the right side fixed connection stop screw of mounting panel bottom surface, and the left side center of installation department bottom surface is equipped with the mounting hole, and this utility model needs frequent fixed and dismantlement screw when installation and dismantlement, makes the truckle inconvenient at the in-process of installation with the dismantlement, very big time of having wasted, has reduced the efficiency of dismouting.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the prior PC box is inconvenient to disassemble and assemble the caster because a large number of screws are required to disassemble and assemble the caster.

In order to achieve the above object, the present invention provides the following basic solutions:

the utility model provides a PC case convenient to truckle dismouting which characterized in that: including the fixed plate of symmetry rigid coupling at the bottom half, the equal symmetry of fixed plate is opened there is logical groove, it has the spring to lead to the equal rigid coupling in one side of inslot near the box, it all is equipped with the connecting hole that communicates with logical inslot portion to lead to the groove lateral wall, the bottom half is equipped with the spread groove with logical axle center, equal threaded connection has the connecting piece in the spread groove, the connecting piece all including can with spread groove threaded connection's fixed axle, set up the screw thread through-hole on the fixed axle lateral wall and respectively the first fixture block and the second fixture block of rigid coupling in screw thread through-hole both sides, the connecting hole can align with the screw thread through-hole, the tip rigid coupling that the fixed plate was kept away from to the fixed axle has the rotation piece, it rotates and is connected with and is used for at the rolling gyro wheel in ground to rotate the piece below.

The principle and effect of this basic scheme lie in:

1. compared with the prior art, the fixed plates symmetrically and fixedly connected to the bottom of the box body can stably support the container when the casters are not installed, so that articles in the box body can be kept in an original state, and the container body is prevented from being unstably supported and falling down due to incapability of keeping an upright state to damage the articles in the box body.

2. Compared with the prior art, the connecting piece is connected in the box body through the threads, the trundles can be fixed in the box body only by rotating the fixed shafts of the trundles, and the threaded through holes in the fixed shafts can be in threaded connection with the connecting holes through the fasteners, so that the fixed shafts are firmly fixed, the fixing effect is enhanced, the connection of the trundles is firmer, and the problem that the existing PC box is inconvenient in assembly and disassembly of the trundles due to the fact that a large number of screws are required to be assembled and disassembled when the trundles are assembled and disassembled is solved.

3. Compared with the prior art, the spring is arranged in the through groove, so that when the caster wheel is damaged and needs to be replaced, the caster wheel can rotate only by taking out the fastening screw, and when the external thread and the internal thread are completely separated, the caster wheel can automatically pop up, so that the caster wheel is more convenient and quicker to disassemble and assemble.

Furthermore, internal threads are processed in the connecting grooves, and external threads capable of being meshed with the internal threads are processed on the outer surface of one end, close to the box body, of the fixing shaft. Through setting up internal thread and external screw thread, be connected truckle and box and fix, it is more convenient.

Further, the connection hole and the threaded through hole may be connected using an M2 fastening screw. The fastening screw of M2 can fix the fixed axle of truckle, prevents that internal thread and external screw thread wearing and tearing from causing the truckle to drop.

Furthermore, a damping component is arranged between the second clamping block and the rotating part. By arranging the damping component, the utility model has good damping effect when in use and prolongs the service life of the caster.

Further, the shock absorbing assembly includes a first shock absorbing pad and a second shock absorbing pad. The first shock pad and the second shock pad are matched for use, so that the connection relation between the caster wheel and the box body is more compact, and the abrasion of the rotating assembly can be effectively reduced.

Furthermore, the box body is also provided with a telescopic pull rod which is fixedly connected on the surface of the box body. Through setting up flexible pull rod, user's accessible flexible pull rod removes the box.

Furthermore, the box still is equipped with the push rod, the push rod rigid coupling is on the box lateral wall. Through setting up the push rod, when article in the box can not the slope, the accessible push rod promotes the box, prevents to use the pull rod to cause article slope.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a PC box for facilitating the assembly and disassembly of casters according to an embodiment of the present application;

FIG. 2 illustrates a cross-sectional view of a PC box with casters of an embodiment of the present application;

FIG. 3 is an enlarged view of the interior A of a PC case for facilitating the assembly and disassembly of the caster according to an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a caster in a PC box for facilitating the assembly and disassembly of the caster according to an embodiment of the present application;

fig. 5 shows a schematic structural diagram of a fixing plate in a PC box for facilitating the assembly and disassembly of a caster according to an embodiment of the present application.

Detailed Description

To further illustrate the technical means and effects of the present invention for achieving the intended purpose of the utility model, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

Reference numerals in the drawings of the specification include: the device comprises a box body 1, a telescopic pull rod 2, a push rod 3, a roller 4, a rotating part 5, a second shock pad 6, a first shock pad 7, a second fixture block 8, a first fixture block 9, a threaded through hole 10, a fixed shaft 11, external threads 12, a fixed plate 13, a fastening screw 14, a spring 15, internal threads 16 and a zipper 17.

Examples are shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5:

the utility model provides a PC case convenient to truckle dismouting, includes box 1, and the top of box 1 is equipped with flexible pull rod 2, and the left side wall rigid coupling of box 1 has the push rod 3 that is used for promoting this box 1, and upper surface, right surface and the lower surface of box 1 all are equipped with zip fastener 17, as shown in figure 1.

Four connecting grooves are symmetrically formed in the bottom of the box body 1, internal threads 16 are machined in the inner walls of the connecting grooves, two fixing plates 13 are fixedly connected to the bottom of the box body 1, as shown in fig. 5, through grooves coaxial with the connecting grooves are formed in the fixing plates 13, the through grooves are T-shaped through grooves, springs 15 are fixedly connected to the upper ends of the through grooves, connecting holes communicated with the through groove holes are formed in the side walls of the fixing plates 13, four casters are detachably connected to the lower portions of the fixing plates 13, as shown in fig. 2, each caster comprises a connecting piece and a roller 4 rotatably connected to the lower portion of the connecting piece, each connecting piece comprises a fixing shaft 11 and a rotating piece 5 fixedly connected to the lower end of the fixing shaft 11, external threads 12 meshed with the internal threads 16 are machined on the outer surface of the upper end portion of the fixing shaft 11, threaded through holes 10 are formed in the side walls of the fixing shaft 11, and after the external threads 12 are meshed with the internal threads 16, the threaded through holes 10 are in threaded connection with the connecting holes through fastening screws 14, the fixing shaft 11 can be fixed better, the fastening screw 14 is an M2 fastening screw, as shown in FIG. 3, the upper side and the lower side of the threaded through hole 10 are respectively provided with a first clamping block 9 and a second clamping block 8 which are fixedly connected to the fixing shaft 11, a damping component is detachably connected between the second clamping block 8 and the rotating part 5, the damping component comprises a first damping pad 7 and a second damping pad 6, as shown in FIG. 4, the abrasion of the second clamping block can be reduced by arranging the first damping pad 7, the abrasion of the rotating part 5 caused by vibration in the using process of the caster wheel can be effectively reduced by the second damping pad 6, and the service life of the caster wheel is prolonged.

When the internal thread 16 on the caster fixing shaft 11 is connected with the external thread 12 of the connecting groove, the first fixture block 9 compresses the spring 15, so that when the caster is replaced, the caster can automatically pop up, the replacement of the caster is more convenient, and the caster can obtain a good fixing effect through the meshing of the external thread 12 and the internal thread 16 and the fastening screw 14.

The method comprises the following specific implementation steps: first step when needs installation truckle, pass logical groove to 1 bottom surface of box on the fixed plate 13 with the truckle, it is rotatory, make internal thread 16 on the truckle fixed axle 11 and the interior external screw thread 12 full mesh of spread groove, spring 15 receives the power formation compression of first stopper this moment, the second step, use fastening screw 14 to pass the connecting hole of fixed plate 13 lateral wall and get into the screw through-hole 10 on the fixed axle 11 and make fixed axle 11 fix on fixed plate 13, the third step, when needs pull down the truckle or when changing, 14 back fastening screw, then rotatory truckle, make internal thread 16 break away from external screw thread 12, spring 15 resets this moment, pop out the truckle is automatic, can dismantle or change.

The utility model solves the problem that the prior PC box needs to disassemble and assemble a large number of screws when the caster is disassembled and assembled, so that the caster is inconvenient to disassemble and assemble.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a PC case convenient to truckle dismouting which characterized in that: including the fixed plate of symmetry rigid coupling at the bottom half, the equal symmetry of fixed plate is opened there is logical groove, it has the spring to lead to the equal rigid coupling in one side of inslot near the box, it all is equipped with the connecting hole that communicates with logical inslot portion to lead to the groove lateral wall, the bottom half is equipped with the spread groove with logical axle center, equal threaded connection has the connecting piece in the spread groove, the connecting piece all including can with spread groove threaded connection's fixed axle, set up the screw thread through-hole on the fixed axle lateral wall and respectively the first fixture block and the second fixture block of rigid coupling in screw thread through-hole both sides, the connecting hole can align with the screw thread through-hole, the tip rigid coupling that the fixed plate was kept away from to the fixed axle has the rotation piece, it rotates and is connected with and is used for at the rolling gyro wheel in ground to rotate the piece below.

2. The PC box of claim 1, wherein the connecting slots are internally threaded, and the outer surface of the fixing shaft near one end of the box body is externally threaded to engage with the internal threads.

3. The PC box of claim 1, wherein the connection holes and the threaded through holes can be connected by M2 fastening screws.

4. The PC box of claim 1, wherein a shock absorbing assembly is disposed between the second block and the rotating member.

5. The PC box of claim 4, wherein the shock assembly comprises a first shock pad and a second shock pad.

6. The PC box of claim 1, wherein the box body is further provided with a telescopic pull rod, and the telescopic pull rod is fixedly connected to the surface of the box body.

7. The PC box of claim 1, wherein the box body is further provided with a push rod, and the push rod is fixedly connected to the side wall of the box body.