CN212654190U

CN212654190U - Reelpipe head

Info

Publication number: CN212654190U
Application number: CN202020985882.2U
Authority: CN
Inventors: 吴志光; 张丹莉; 曹晓鹏
Original assignee: Ningbo Shuaitelong Group Co Ltd
Current assignee: Ningbo Shuaitelong Group Co Ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-03-05
Anticipated expiration: 2030-06-02

Abstract

The utility model provides a reelpipe head belongs to car and hides thing curtain technical field, include: annular base, cooperation portion and a plurality of elasticity card foot, it is a plurality of elasticity card foot is connected thereby form the jack catch structure on the annular base, cooperation portion connects on the outer peripheral face of annular base, the external diameter of annular base is less than the internal diameter of reelpipe, and cooperation portion and reelpipe interference fit, the jack catch structure be used for with interior end cover installation axle interference fit. The utility model has the advantages that: this reelpipe head can with reelpipe and interior end cover installation axle interference fit, avoid the reelpipe head to produce the abnormal sound because of the clearance to solve and hide the defect that the thing curtain sent the abnormal sound when the pulling.

Description

Reelpipe head

Technical Field

The utility model belongs to the technical field of the car hides the thing curtain, a reelpipe head is related to.

Background

Hide the thing curtain and be the part on the car, it can cover window glass to play the sunshade or cover the effect of people or thing in the car, this kind of thing curtain that hides now generally includes interior end cover, reelpipe head and reelpipe, and the reelpipe head cover just can rotate on inner end cover, and the reelpipe tip that hides the thing curtain is connected with the reelpipe head, makes the reelpipe rotate on inner end cover through the reelpipe head.

However, in the actual structure, the roll pipe end enclosure needs to be connected with the installation shaft on the inner end cover and also needs to be connected with the roll pipe, once a gap exists between the roll pipe end enclosure and any one component, abnormal sound is generated due to shaking, and in order to prevent the abnormal sound from occurring in the use process of the object shielding curtain, a Chinese patent with application number 201720506157.0 is provided at present, and the object shielding curtain for preventing vibration and generating noise comprises an outer pipe and a roll curtain, wherein a long-strip-shaped opening is arranged on the outer wall of the outer pipe in the horizontal direction, a rollable and receivable roll curtain is arranged in the inner cavity of the outer pipe, one end of the roll curtain is fixed on a scroll in the outer pipe, the other end of the roll curtain extends out of the opening of the outer pipe and is connected with a side pipe, the width of the side pipe is larger than that of the opening of the outer pipe, outer side sealing covers are respectively sleeved at both ends of the outer pipe, side pipe plugs are respectively sleeved, the lower edge of the slot is provided with an elastic piece, and the upper surface of the elastic piece is slightly lower than the horizontal plane of the lower edge of the slot.

The reel pipe end socket on the object shielding curtain still generates noise and abnormal sound when in use, and the defects of the noise and the abnormal sound are extremely difficult to solve, and the requirements of partial middle-high-end vehicle types cannot be met, so that certain improvement space exists.

Disclosure of Invention

The utility model aims at the above-mentioned problem that prior art exists, a reelpipe head has been proposed.

The purpose of the utility model can be realized by the following technical proposal: a roll-pipe head comprising: annular base, cooperation portion and a plurality of elasticity card foot, it is a plurality of elasticity card foot is connected thereby form the jack catch structure on the annular base, cooperation portion connects on the outer peripheral face of annular base, the external diameter of annular base is less than the internal diameter of reelpipe, and cooperation portion and reelpipe interference fit, the jack catch structure be used for with interior end cover installation axle interference fit.

Preferably, the matching part comprises a plurality of arc-shaped protrusions which are integrally connected to the outer peripheral surface of the annular base, and the arc-shaped protrusions are distributed around the annular base to form an annular structure.

Preferably, the annular base is provided with a connecting groove arranged along the axial direction of the annular base, and the annular base is in linkage connection with the reel pipe through the connecting groove.

Preferably, the connecting groove is located between two adjacent arc-shaped protrusions.

Preferably, the cross section of the arc-shaped bulge is in a barb-shaped structure.

Preferably, the number of the matching parts is at least two, and each matching part is distributed along the axial direction of the annular base.

Preferably, the engaging portion includes a plurality of protrusions, the protrusions are distributed on the outer circumferential surface of the annular base, and the protrusions are in a barb-shaped structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this reelpipe head can with reelpipe and interior end cover installation axle interference fit, avoid the reelpipe head to produce the abnormal sound because of the clearance to solve and hide the defect that the thing curtain sent the abnormal sound when the pulling.

2. In order to ensure that the matching part can be in interference fit with the roller pipe, the annular bulges are surrounded by the annular ring-shaped structure, so that the matching part can be filled between the annular base and the inner wall of the roller pipe, and the annular base is reliably connected with the inner wall of the roller pipe.

3. The spread groove sets up between two arc archs, ensures that spread groove and cooperation portion homoenergetic set up on the outer peripheral face of annular base to it is that the spread groove is located between two arc archs, neither influences cooperation portion and reelpipe interference fit like this, also can not influence the spread groove and be connected with the reelpipe linkage.

Drawings

Fig. 1 is an explosion diagram of the pipe roll end socket and the pipe roll of the present invention.

Fig. 2 is a schematic view of the connection relationship between the roll pipe end socket and the roll pipe of the present invention.

Fig. 3 is a schematic structural diagram of the pipe reeling head of the present invention.

Fig. 4 is a schematic view of the connection relationship between the fitting portion and the reel pipe according to the present invention.

In the figure, 100, a ring-shaped base; 110. connecting grooves; 200. a fitting portion; 210. an arc-shaped bulge; 300. an elastic clamping pin; 400. and (4) coiling the pipe.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2, 3, and 4, a roll pipe end socket is used for an automobile object covering curtain, when a conventional end socket is connected with a roll pipe 400, a gap between the end socket and the roll pipe 400 is enlarged due to reasons such as high temperature stress relief, so that the roll pipe 400 is pulled, the end socket shakes to generate abnormal sound, and similarly, the end socket also shakes with an installation shaft of an inner end cover to generate abnormal sound.

Wherein, reelpipe head includes: the pipe coiling device comprises an annular base 100, a matching part 200 and a plurality of elastic clamping feet 300, wherein the annular base 100 is similar to a ring or a tubular structure, the annular base 100 can be sleeved on an inner end cover installation shaft, and the matching part 200 can be connected with a pipe coiling 400, so that the pipe coiling head cannot radially move on the pipe coiling 400, and the defect of abnormal noise between the pipe coiling head and the pipe coiling 400 can be overcome; and the elastic clamping foot 300 is connected with the mounting shaft of the inner end cover together, so that the reel pipe sealing head cannot radially move with the mounting shaft, and the defect of abnormal sound generated between the reel pipe sealing head and the mounting shaft can be overcome.

A plurality of the elastic clamping feet 300 are connected on the annular base 100 to form a clamping jaw structure, preferably, the axial end of the annular base 100 is provided with the clamping jaw structure, the clamping jaw structure is formed by a plurality of elastic clamping feet 300 arranged in an annular shape, each elastic clamping foot 300 is deviated to the center of the clamping jaw, so that the mounting shaft of the inner end cover is clamped through the elastic clamping feet 300, and the annular base 100 can be ensured to smoothly rotate on the mounting shaft and cannot be clamped or locked.

It should be noted here that in an actual structure, the annular base 100 has a first through hole, and the jaw structure has a second through hole, the first through hole and the second through hole are coaxial and communicated, the mounting shaft of the inner end cap passes through the first through hole of the annular base 100 and the second through hole of the jaw structure, the mounting shaft is in clearance fit with the first through hole and in interference fit with the second through hole, so that even if the annular base 100 does not collide with the mounting shaft of the inner end cap due to high-temperature stress relief deformation, the jaw structure can be connected to the mounting shaft through self elasticity, and a gap between the roll pipe end cap and the mounting shaft is avoided.

The fitting part 200 is connected to the outer circumferential surface of the ring base 100, and preferably, the ring base 100 itself is not fitted with the inner end cap mounting shaft and the roll pipe 400, and is connected with the roll pipe 400 through the fitting part 200, and the fitting part 200 is integrally connected to the outer circumferential surface of the ring base 100, and the fitting part 200 has a certain deformation characteristic, which is similar to a rib structure or a dot structure protruding outward on the outer circumferential surface of the ring base 100.

It should be noted here that in an actual structure, the fitting portion 200 may be a rib structure, an annular rib structure, a dot-shaped protruding structure, or a block-shaped protruding structure, and only needs to protrude from the outer circumferential surface of the annular base 100 and have a certain elasticity or deformation capability.

The outer diameter of the ring base 100 is smaller than the inner diameter of the roller tube 400, the fitting part 200 is in interference fit with the roller tube 400, and the jaw structure is used for being in interference fit with the inner end cover mounting shaft.

Preferably, the outer diameter of the ring base 100 plus the size of the fitting part 200 is greater than the inner diameter of the roller tube 400, when the ring base 100 is inserted into the roller tube 400, the fitting part 200 is deformed after being squeezed, so that the ring base can be tightly pressed against the inner wall of the roller tube 400, at this time, even if the ring base 100 becomes smaller due to the stress relief and the clearance is generated between the ring base 100 and the roller tube 400, the ring base 100 can be in interference fit with the roller tube 400 through the fitting part 200, even if the ring base 100 becomes smaller, the fitting part 200 has the tendency of expansion in the roller tube 400, so that the ring base does not generate clearance with the roller tube 400, thereby solving the defect that the roller tube head generates abnormal sound due to the clearance.

As shown in fig. 1, 2, 3 and 4, on the basis of the above embodiment, the fitting portion 200 includes a plurality of arc-shaped protrusions 210, the arc-shaped protrusions 210 are integrally connected to the outer circumferential surface of the annular base 100, and the arc-shaped protrusions 210 are distributed around the annular base 100 to form an annular structure.

Preferably, the fitting part 200 is an arc-shaped protrusion 210, wherein the arc-shaped protrusion 210 is similar to a rib structure and protrudes out of the outer circumferential surface of the annular base 100, in order to ensure that the fitting part 200 can be in interference fit with the roller tube 400, a plurality of annular protrusions are particularly surrounded to form an annular structure, and it should be noted here that each arc-shaped protrusion 210 is surrounded to form an annular rib structure, that is, an annular structure.

Specifically, a circle of ribs is arranged on the outer peripheral surface of the annular base 100, the circle of ribs is the matching part 200, and the arc-shaped protrusion 210 is a small section of the circle of ribs, so that the matching part 200 can be filled between the annular base 100 and the inner wall of the roller pipe 400, and the annular base 100 and the inner wall of the roller pipe 400 can be reliably connected together.

It is also noted that the engaging portion 200 can be formed not only by the multi-step arc-shaped protrusions 210, but also by a complete loop structure, in which the engaging portion 200 is an annular rib, and it is also understood that the arc-shaped protrusions 210 are connected together to form the annular rib, or the arc-shaped protrusions 210 are spaced apart to form an incomplete annular rib.

As shown in fig. 1, 2, 3 and 4, in addition to the above embodiment, the annular base 100 is provided with a coupling groove 110 provided along an axial direction thereof, and the annular base 100 is coupled to the roller pipe 400 by the coupling groove 110 in an interlocking manner.

Preferably, the roll pipe head needs to be connected with the roll pipe 400 in a linkage manner, that is, when the roll pipe 400 rotates, the roll pipe head also needs to rotate, and in order to achieve the effect of linkage connection, the connection groove 110 is especially arranged, the connection groove 110 may be multiple, and the connection groove 110 is arranged along the axial direction of the annular base 100, an axial connection inner rib is arranged on the inner wall of the roll pipe 400, and the connection inner rib is located in the connection groove 110, so that the roll pipe 400 and the roll pipe head are connected in a linkage manner.

As shown in fig. 1, 2 and 3, on the basis of the above embodiment, the connecting groove 110 is located between two adjacent arc-shaped protrusions 210.

It should be noted here that the fitting portion 200 is an incomplete annular protrusion structure, and is formed by surrounding the annular base 100 by a plurality of arc-shaped protrusions 210, so that two adjacent arc-shaped protrusions 210 are spaced apart, and this arrangement is mainly adopted to arrange the connecting groove 110, so as to ensure that both the connecting groove 110 and the fitting portion 200 can be arranged on the outer circumferential surface of the annular base 100, and the connecting groove 110 is located between two arc-shaped protrusions 210, which does not affect the interference fit between the fitting portion 200 and the roller pipe 400, and does not affect the linkage connection between the connecting groove 110 and the roller pipe 400.

As shown in fig. 1, 2, 3 and 4, in the above embodiment, the cross section of the arc-shaped protrusion 210 is in a barb-shaped structure.

It is important to point out here that the shape of the arc-shaped protrusion 210 is very important, and the fitting part 200 can be in interference fit with the roller tube 400, and it is important that the cross section of the arc-shaped protrusion 210 is in a barb-shaped structure, through which the fitting part 200 can be inserted into the roller tube 400 and is not easily pulled out from the roller tube 400, and the fitting part 200 can generate radial elastic force or acting force to make the fitting part 200 in interference fit with the roller tube 400.

Specifically, the cross section of the arc-shaped protrusion 210 is similar to a triangular structure or a barb-shaped structure, in short, the cross section is similar to a barb shape, and the arc-shaped protrusion 210 has an inclined surface facing the end of the roll pipe head, the outer diameter of the arc-shaped protrusion 210 on the annular base 100 is larger than the inner diameter of the roll pipe 400, when the roll pipe head is inserted into the roll pipe 400, the arc-shaped protrusion 210 is pressed and deformed, and the roll pipe head can enter the roll pipe 400, and at this time, the arc-shaped protrusion 210 tends to spring open, so that the roll pipe 400 can be tightly pressed, and the matching part 200 and the roll pipe 400 are in interference fit.

As shown in fig. 1, 2, 3, and 4, on the basis of the above embodiment, the number of the fitting portions 200 is at least two, and the fitting portions 200 are distributed along the axial direction of the annular base 100.

Preferably, in an actual structure, since the engaging portions 200 themselves have a circular rib structure, the annular base 100 and the roll pipe 400 cannot be maintained in an engaged state by a single engaging portion 200, the number of the engaging portions 200 is three, and the three ring-shaped engaging portions 200 can be more sufficiently engaged with the roll pipe 400, thereby preventing the roll pipe head from shaking in the roll pipe 400.

As shown in fig. 3, in the above embodiment, the engaging portion 200 includes a plurality of projections (not shown) distributed on the outer circumferential surface of the annular base 100, and the projections have a barb-like structure.

Preferably, the shape of the engaging portion 200 may be various, and the engaging portion 200 may also adopt a protrusion structure, in addition to the annular rib structure formed by the arc-shaped protrusion 210, similar to a triangular structure or a barb-shaped structure, in short, similar to a barb-shaped structure, which is based on the principle of the arc-shaped protrusion 210, and the protrusion is deformed after entering the roller tube 400 and is in interference fit with the roller tube 400.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A roll-pipe head, comprising: annular base, cooperation portion and a plurality of elasticity card foot, it is a plurality of elasticity card foot is connected thereby form the jack catch structure on the annular base, cooperation portion connects on the outer peripheral face of annular base, the external diameter of annular base is less than the internal diameter of reelpipe, and cooperation portion and reelpipe interference fit, the jack catch structure be used for with interior end cover installation axle interference fit.

2. The roll pipe head of claim 1, wherein: the cooperation portion includes a plurality of arc archs, arc protruding body coupling is in on the outer peripheral face of annular base to each the arc protruding distributes around annular base thereby forms the ring loop configuration.

3. The roll pipe head of claim 2, wherein: the annular base is provided with a connecting groove arranged along the axial direction of the annular base, and the annular base is connected with the reel pipe in a linkage mode through the connecting groove.

4. The roll pipe head of claim 3, wherein: the connecting groove is positioned between two adjacent arc-shaped bulges.

5. The roll pipe head of claim 2, wherein: the section of the arc-shaped bulge is of a barb-shaped structure.

6. The roll pipe head of claim 2 or 4, wherein: the number of the matching parts is at least two, and the matching parts are distributed along the axial direction of the annular base.

7. The roll pipe head of claim 1, wherein: the matching part comprises a plurality of convex blocks, the convex blocks are distributed on the outer peripheral surface of the annular base, and the convex blocks are in barb-shaped structures.