CN216514746U - Pivoting connection structure and foldable steam brush - Google Patents

Abstract

The utility model discloses a pivoting connection structure and a folding steam brush, which relate to the technical field of steam brush structures and comprise: a first body; a second body; and an expansion sleeve; wherein, be provided with the grafting end on one of first body and the second body, set up the connecting plate that has the connecting hole on the other, the grafting is served and is provided with two at least elasticity jack catchs with circular orbit equipartition, and the elasticity jack catch encloses the through-hole that constitutes the confession cover that expands and wears to establish, and the one side that the elasticity jack catch deviates from the through-hole center is provided with spacing arch, and the cover that expands can insert the through-hole to make the elasticity jack catch expand and make the border overlap joint of spacing arch and connecting hole along circumference. The pivoting connection structure and the steam brush using the pivoting connection structure have the advantages of convenience and rapidness in assembly, reliability and stability in connection.

Description

Pivoting connection structure and foldable steam brush

Technical Field

The utility model relates to the technical field of steam brush structures, in particular to a pivoting connection structure and a folding type steam brush.

Background

In the steam brush field, in the prior art that can inquire on the market at present, some steam brush structures are folded cascade, and some are then can not be foldable, and wherein, folded cascade's steam brush is because it can be folded, and occupation space is little, is convenient for accomodate, and its application prospect is better, and the popularity in market is higher.

In the prior art, chinese patent application No. 201920771380.7 discloses a rotary folding steam brush, which includes a second connecting portion, wherein the second connecting portion is connected with a handle, specifically, the handle is pressed tightly against the second connecting portion by a pressing plate, so as to realize the connection between the second connecting portion and the handle and to enable the handle to rotate relative to the second connecting portion, thereby realizing the rotary folding of the steam brush.

However, the pressing plate structure needs to be fixed through a fixing part such as a screw, and the dismounting and mounting of the pressing plate structure need to be realized by means of a tool, so that the convenience is poor, in addition, after the handle is fixed by the pressing plate, the handle needs to be ensured to be capable of rotating relative to the second connecting part, so that the requirement on the pretightening force of the pressing plate is high, and if the pretightening force of the pressing plate is large, the rotation of the handle is not smooth; if the pretightening force to the clamp plate is too small, the handle becomes loose and even the handle is separated from the second connecting part, so that potential safety hazards in the use process are caused.

Therefore, the pivot structure for realizing the steam brush has more defects, is not favorable for assembly and long-term use stability, and needs to provide a new pivot connection structure and an application scheme.

SUMMERY OF THE UTILITY MODEL

In order to overcome at least one of the above-mentioned drawbacks of the prior art, the present invention provides a pivot connection structure to optimize the inconvenience of assembly of the existing pivot connection structure.

Another object of the present invention is to provide a folding steam brush to optimize the inconvenience of assembling the existing steam brush pivot connection structure.

The technical scheme adopted by the utility model for solving the problems is as follows:

according to one aspect of the present invention, there is provided a pivotal connection structure including: a first body; a second body; and an expansion sleeve; wherein, be provided with the grafting end on one of first body and the second body, set up the connecting plate that has the connecting hole on the other, the grafting is served and is provided with two at least elasticity jack catchs with circular orbit, and the elasticity jack catch encloses the through-hole that constitutes the confession cover that expands and wear to establish, and the one side that the elasticity jack catch deviates from the through-hole center is provided with spacing arch, and the cover that expands can insert the through-hole to make the elasticity jack catch expand and make the border overlap joint of spacing arch and connecting hole along circumference.

Further, the inner wall of the connecting hole extends along the central line thereof to form a connecting sleeve.

Furthermore, still set up curved fixed plate on the grafting end, the fixed plate is located the inboard of through-hole, and the fixed plate passes through buckle structure with the cover that expands and is connected.

Furthermore, buckle structure includes the card hook piece, and one of them is equipped with the card hook piece in fixed plate and the expanding sleeve, is provided with the draw-in groove with card hook piece complex on the other.

Further, the end of the resilient jaw is provided with an inclined guide surface.

Further, be provided with curved coaming between two elasticity jack catchs, coaming and elasticity jack catch are together circular, keep the interval between the circle that the fixed plate belongs to and the circle that the coaming belongs to form the inserting groove, the cover that expands is provided with inserting plate of inserting groove complex.

Furthermore, any one of the first body and the second body is provided with a ball spring plunger, the other one of the first body and the second body is provided with a plurality of limiting grooves matched with the ball spring plunger, and the limiting grooves are distributed on the motion track of the ball spring plunger.

Furthermore, two limiting grooves are formed and are respectively located at two ends of the diameter of the circle where the ball spring plunger moves.

Furthermore, a sliding groove is further formed in the position corresponding to the ball head spring plunger, the sliding groove is arranged along the movement track of the ball head spring plunger and is used for the ball head spring plunger to slide, and the sliding groove is formed between the two adjacent limiting grooves.

Furthermore, the inserting end is provided with a circular arc-shaped guide groove around the elastic clamping jaw, and the connecting plate is convexly provided with a guide bulge sliding along the guide groove.

Furthermore, the sliding groove and the guide groove are respectively positioned on two sides of the connecting line of the two limiting grooves.

Furthermore, a cover edge extends out of the expansion sleeve, and a notch for the elastic claw to pass through is formed in the cover edge.

According to another aspect of the embodiments of the present invention, there is provided a foldable steam brush, comprising a steam brush head and a handle, wherein the steam brush head and the handle are connected by any one of the above-mentioned pivotal connection structures.

According to the technical scheme, the embodiment of the utility model at least has the following advantages and positive effects:

1) when the first body and the second body are in pivot connection, the elastic clamping jaw penetrates through a connecting hole of the connecting plate, and then the expansion sleeve is inserted into a through hole formed by the elastic clamping jaw, so that the elastic clamping jaw expands outwards, and a limiting bulge positioned on one side of the elastic clamping jaw, which is far away from the center of the through hole, is in lap joint with the edge of the connecting hole on the connecting plate, so that the first body and the second body are in pivot connection, the assembly is quick, after the assembly, the expansion angle of the elastic clamping jaw is determined by the outer diameter of the expansion sleeve, and the first body and the second body can be stably and reliably connected;

2) the expansion sleeve is connected with the elastic clamping jaw by the clamping structure, so that the matching stability of the expansion sleeve and the elastic clamping jaw is improved, and the pivot connection structure is integrally stable and reliable;

3) the arrangement of the ball spring plunger and the limiting groove enables the rotation angle of the first body and the second body to be limited, and the possibility of inconvenient positioning or internal damage caused by excessive rotation between the first body and the second body is avoided;

4) the arrangement of the guide groove and the guide bulge can further improve the stability and reliability of the relative pivoting of the first body and the second body, and also play a role in safety protection for preventing reverse rotation;

5) the folding steam brush adopts an improved pivot connection structure and has the advantages of stable pivot and convenience and quickness in assembly.

Drawings

Fig. 1 is an overall structural schematic view of a pivotal connection structure in embodiment 1 of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a first exploded view of the pivot joint structure in embodiment 1 of the present invention;

fig. 4 is a second schematic exploded view of the pivotal connection structure in embodiment 1 of the present invention;

fig. 5 is an exploded view of the expansion sleeve and the first body according to embodiment 1 of the present invention;

fig. 6 is a schematic structural view of an expansion sleeve in embodiment 1 of the present invention;

fig. 7 is a schematic structural view of an expansion sleeve in embodiment 2 of the present invention;

fig. 8 is an exploded view of the expansion sleeve and the first body according to embodiment 2 of the present invention;

fig. 9 is a schematic view of the expansion sleeve assembled with the first body in embodiment 2 of the present invention;

FIG. 10 is a schematic view of a first state of a folding steam brush structure according to embodiment 3 of the present invention;

fig. 11 is a second middle-state diagram of the folding steam brush structure according to embodiment 3 of the present invention;

wherein the reference numerals have the following meanings:

1. a first body; 2. a second body; 3. expanding the sleeve; 301. a plugboard; 302. covering edges; 303. a notch; 4. a plug end; 401. an elastic claw; 4011. a limiting bulge; 4012. a guide surface; 402. a through hole; 403. connecting sleeves; 404. a fixing plate; 4041. a card slot; 405. side coaming plates; 406. inserting grooves; 407. a guide groove; 5. a connecting plate; 501. connecting holes; 502. a guide projection; 6. a buckle structure; 601. a hook member; 7. a limiting groove; 8. mounting grooves; 9. a communicating groove; 10. a chute; 11. a steam brush head; 12. a handle.

Detailed Description

For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Example 1

Referring to fig. 1 to 6, the present invention discloses a pivot connection structure, which includes a first body 1, a second body 2 and an expansion sleeve 3;

wherein, be provided with grafting end 4 on one of first body 1 and second body 2, set up connecting plate 5 that has connecting hole 501 on the other, be provided with two at least elasticity jack catch 401 with circular orbit on the grafting end 4, elasticity jack catch 401 encloses the through-hole 402 that constitutes the confession cover 3 that expands and wear to establish, one side that elasticity jack catch 401 deviates from through-hole 402 center is provided with spacing arch 4011, the cover 3 that expands can insert through-hole 402, so that elasticity jack catch 401 expands and makes the border overlap joint of spacing arch 4011 and connecting hole 501 along circumference.

Preferably, a plurality of resilient jaws 401 are equispaced on a circular trajectory.

Preferably, the elastic jaws 401 may be provided in more than 3.

Referring to fig. 3 to 4, for example, the insertion end 4 may be disposed on the first body 1, and the connection plate 5 may be disposed on the second body 2.

The resilient fingers 401 are able to collapse toward the center of the through-hole 402 and expand away from the center of the through-hole 402.

The material of the elastic claw 401 may be the same as or different from the material of the first body 1, wherein, optionally, the elastic claw 401 may be a plastic claw, or may be a metal elastic claw, which is not limited in this embodiment.

The outer diameter of one end of the expansion sleeve 3 inserted into the through hole 402 is larger than the inner diameter of the through hole 402, so that the elastic claw 401 can expand in the direction away from the center of the through hole 402 after the expansion sleeve 3 is inserted into the through hole 402.

Therefore, when the first body 1 and the second body 2 are pivotally connected, the elastic claw 401 firstly penetrates through the connecting hole 501 of the connecting plate 5, and then the expansion sleeve 3 is inserted into the through hole 402 formed by the surrounding of the elastic claw 401, so that the elastic claw 401 expands outwards, and further the limiting protrusion 4011 on one side of the elastic claw 401 facing away from the center of the through hole 402 is in lap joint with the edge of the connecting hole 501 on the connecting plate 5, so that the first body 1 and the second body 2 are connected, the connection is stable and reliable, and the assembly is quick.

After the expansion sleeve 3 is inserted into the through hole 402, the range of the elastic claw 401 expanded outwards is determined, so that the pretightening force after the first body 1 and the second body 2 are connected can be controlled conveniently, and the expansion sleeve and the second body can pivot smoothly relatively on the premise of stable connection.

Referring to fig. 3, further, the inner wall of the connection hole 501 extends along the central line thereof to form a connection sleeve 403.

Therefore, the connecting sleeve 403 can prolong the connecting length of the expansion sleeve 3 and the elastic claw 401, and the stability of the connection of the expansion sleeve 3 and the elastic claw 401 is enhanced.

Referring to fig. 2 to 3, to further facilitate the insertion of the elastic claw 401, the diameter of the connection sleeve 403 is reduced in a stepwise manner along the insertion direction of the elastic claw 401.

Referring to fig. 4, further, an arc-shaped fixing plate 404 is disposed on the insertion end 4, the fixing plate 404 is located inside the through hole 402, and the fixing plate 404 is connected to the expansion sleeve 3 through a snap structure 6.

Through the arrangement, the expansion sleeve 3 can be stably connected with the first body 1 on one side of the elastic claw 401, so that after collision, the expansion sleeve 3 cannot be easily separated from the through hole 402 formed by the surrounding of the elastic claw 401, and the pivot connection structure is stable and reliable.

Referring to fig. 5 to 6, further, the fastening structure 6 includes a hooking member 601, one of the fixing plate 404 and the expansion sleeve 3 is provided with the hooking member 601, and the other is provided with a locking groove 4041 engaged with the hooking member 601.

The clamping hook 601 is hooked in the clamping groove 4041, the expansion sleeve 3 is connected with the fixing plate 404, and the assembly is convenient and rapid.

Referring to fig. 4, further, the end of the elastic claw 401 is provided with an inclined guide surface 4012.

Therefore, due to the arrangement of the guide surface 4012, the elastic clamping claws 401 can conveniently penetrate through the connecting holes 501 of the connecting plate 5, the subsequent assembly is facilitated, and the damage to the connecting plate 5 is reduced.

Referring to fig. 5, further, an arc-shaped coaming plate 405 is arranged between the two elastic jaws 401, the coaming plate 405 and the elastic jaws 401 are in a same circle, a distance is kept between the circle where the fixing plate 404 is located and the circle where the coaming plate 405 is located to form a plug-in groove 406, and the expansion sleeve 3 is provided with the plug-in plate 301 matched with the plug-in groove 406.

Due to the arrangement, the elastic claw 401 is connected with the expansion sleeve 3 more tightly, and the possibility of looseness between the expansion sleeve 3 and the elastic claw 401 is reduced.

Referring to fig. 1 to 3, further, a ball spring plunger (not shown) is disposed on any one of the first body 1 and the second body 2, a plurality of limiting grooves 7 matched with the ball spring plunger are disposed on the other one of the first body and the second body, and the limiting grooves 7 are distributed on a motion track of the ball spring plunger.

The angle of relative rotation of the first body 1 and the second body 2 is limited through the matching of the ball spring plunger and the limiting groove 7.

Referring to fig. 2, for example, the ball spring plunger is disposed on the first body 1, a mounting groove 8 for mounting the ball spring plunger is disposed on the first body 1, a communicating groove 9 for retracting or popping the ball spring plunger is disposed on the surface of the first body 1, and the ball spring plunger can penetrate through the communicating groove 9 and is connected to the limiting groove 7 to fix the relative pivot angle between the first body 1 and the second body 2.

The ball spring plunger may be of a commonly used ball spring plunger structure in the prior art.

Referring to fig. 3, further, two limiting grooves 7 are provided, which are respectively located at two ends of the diameter of the circle where the ball spring plunger moves.

Thereby, the relative pivot angle of the first body 1 and the second body 2 is defined as 180 °.

Of course, in other possible embodiments, the limiting groove 7 may be arranged at other angles, and the angle of the relative pivoting of the first body 1 and the second body 2 may be limited according to actual needs.

Referring to fig. 3, further, a sliding groove 10 is further disposed corresponding to the ball-end spring plunger, the sliding groove 10 is disposed along a movement track of the ball-end spring plunger for the ball-end spring plunger to slide, and the sliding groove 10 is disposed between two adjacent limiting grooves 7.

Therefore, the sliding of the ball spring plunger is provided by the arrangement of the sliding groove 10, so that the ball spring plunger slides smoothly, namely, the first body 1 and the second body 2 pivot smoothly, the abrasion of the ball spring plunger is reduced, and the service life of the ball spring plunger is prolonged.

Referring to fig. 3 to 4, further, the insertion end 4 is provided with an arc-shaped guide slot 407 around the elastic latch 401, and the connection plate 5 is provided with a guide protrusion 502 protruding and sliding along the guide slot 407.

Thus, the stability of the relative pivoting of the first body 1 and the second body 2 is further improved by the guide projection 502 sliding along the guide groove 407.

Referring to fig. 3 to 4, the sliding groove 10 and the guiding groove 407 are respectively located at two sides of a connecting line of the two limiting grooves 7.

Due to the arrangement, when the first body 1 pivots relative to the second body 2, the guide boss 502 and the spring pin can respectively slide along the guide groove 407 and the sliding groove 10 which are arranged on the opposite sides, so that the directional pivoting effect is achieved, and the safety problem or the structural damage problem caused by reverse rotation is avoided.

The pivot connection of the present invention can be applied to a general rotation connection.

Further, referring to fig. 1 to 4, the surfaces of the first body 1 and the second body 2 can be disposed at an inclined angle, so as to achieve the foldable storage of the two bodies, and the pivotal connection structure can be applied to occasions where the folding structure is needed.

Example 2

Referring to fig. 7 to 9, the present invention provides another pivot connection structure based on embodiment 1 and different from embodiment 1 in that:

in this embodiment, a cover edge 302 extends from the expansion sleeve 3, and the cover edge 302 is provided with a notch 303 for the elastic claw 401 to pass through.

The cover edge 302 can cover the connecting gap of the pivot connecting structure, so that debris or dust generated by rotation is prevented from entering the connecting gap of the pivot connecting structure, abrasion of the pivot connecting structure is avoided, and the service life is prolonged.

Example 3

Referring to fig. 10 to 11, the present invention provides a foldable steam brush, which includes a steam brush head 11 and a handle 12, wherein the steam brush head 11 and the handle 12 are connected through any one of the pivot connection structures of embodiment 1 or embodiment 2.

The connecting surfaces of the steam brush head 11 and the handle 12 are arranged at an inclination angle.

Preferably, the inclination angle is 45 °, in other possible embodiments, the inclination angle may also be set to other angles, such as 30 °, 60 °, etc.

Therefore, the handle 12 is connected with the steam brush head 11 through the pivoting connection structure, the folding function of the steam brush is achieved, and the steam brush has the advantages of being convenient and fast to assemble and stable in pivoting of the handle 12 and the steam brush head 11.

In summary, the pivot connection structure and the steam brush using the same provided by the utility model have the advantages of convenient and fast assembly, reliable and stable connection.

The technical means disclosed in the utility model scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that modifications and adaptations can be made by those skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.

Claims (13)

1. A pivotal connection, comprising:

a first body (1);

a second body (2); and

an expansion sleeve (3);

wherein, first body (1) with be provided with grafting end (4) on one in second body (2), set up connecting plate (5) that have connecting hole (501) on another, be provided with two at least elastic claw (401) with circular orbit on grafting end (4), elastic claw (401) enclose to constitute and supply through-hole (402) that bloated cover (3) wore to establish, elastic claw (401) deviate from one side at through-hole (402) center is provided with spacing arch (4011), bloated cover (3) can insert through-hole (402), so that elastic claw (401) expand and open and make along circumference spacing arch (4011) with the border overlap joint of connecting hole (501).

2. The pivot connection structure according to claim 1, wherein the inner wall of the connection hole (501) is extended along its center line to form a connection sleeve (403).

3. The pivot connection structure of claim 1, wherein an arc-shaped fixing plate (404) is further arranged on the insertion end (4), the fixing plate (404) is located on the inner side of the through hole (402), and the fixing plate (404) is connected with the expansion sleeve (3) through a buckling structure (6).

4. The pivotal connection according to claim 3, wherein the snap structure (6) comprises a hook member (601), one of the fixing plate (404) and the expansion sleeve (3) is provided with the hook member (601), and the other is provided with a catch groove (4041) engaged with the hook member (601).

5. A pivot connection according to claim 1, characterized in that the end of the resilient catch (401) is provided with an inclined guide surface (4012).

6. A pivot connection structure according to claim 3, characterized in that an arc-shaped edge plate (405) is arranged between the two elastic jaws (401), the edge plate (405) and the elastic jaws (401) are concentric, a distance is kept between a circle of the fixing plate (404) and a circle of the edge plate (405) to form a plug-in slot (406), and the expansion sleeve (3) is provided with a plug-in plate (301) matched with the plug-in slot (406).

7. The pivot connection structure of claim 1, wherein one of the first body (1) and the second body (2) is provided with a ball spring plunger, the other is provided with a plurality of limiting grooves (7) matched with the ball spring plunger, and the limiting grooves (7) are distributed on the motion track of the ball spring plunger.

8. The pivot connection structure according to claim 7, wherein two limiting grooves (7) are provided, which are respectively located at two ends of the diameter of the circle on which the ball spring plunger moves.

9. The pivot connection structure according to claim 8, characterized in that a sliding groove (10) is further provided corresponding to the ball spring plunger, the sliding groove (10) is provided along the movement track of the ball spring plunger for the ball spring plunger to slide, and the sliding groove (10) is provided between two adjacent limiting grooves (7).

10. A pivot connection according to claim 9, wherein the insertion end (4) is provided with a circular arc-shaped guide slot (407) around the elastic claw (401), and the connecting plate (5) is convexly provided with a guide projection (502) sliding along the guide slot (407).

11. The pivot connection structure according to claim 10, wherein the sliding groove (10) and the guide groove (407) are respectively located on two sides of a connecting line of the two limiting grooves (7).

12. The pivot connection structure according to claim 1, wherein a cover edge (302) extends from the expansion sleeve (3), and a notch (303) for the elastic claw (401) to pass through is formed in the cover edge (302).

13. A folding steam brush, characterized by comprising a steam brush head (11) and a handle (12), the steam brush head (11) and the handle (12) being connected by a pivotal connection according to any of claims 1-12.

Images