CN215621718U - Noiseless switch applied to coat and hat hook - Google Patents

Abstract

A silent switch applied to a coat and hat hook relates to the technical field of automobile accessories and comprises a shell, an inner jaw, a cam structure and a spring, wherein a hook used for being connected with an external lock tongue is formed on the inner jaw, the hook can perform opening/closing reciprocating motion relative to the inner jaw, and the inner jaw can slide in the shell in a reciprocating mode; a spring positioning boss is formed on the inner claw, a spring limiting post is formed on the shell, one end of the spring is sleeved on the spring positioning boss, and the other end of the spring is sleeved on the spring limiting post; the silent switch has the advantages that the overall size is small, the occupied space is small, the silent switch works in cooperation with different working states of the coat and hat hook, and the flexibility is improved.

Description

Noiseless switch applied to coat and hat hook

Technical Field

The utility model relates to the technical field of automobile accessories, in particular to a silent switch applied to a coat and hat hook.

Background

With the continuous development of the automobile industry, the design of the automobile interior is more and more humanized, and a plurality of automobiles are provided with coat and hat hooks. The existing coat and hat hooks are basically divided into two types: the integrated coat and hat hook and a matched structure on a vehicle body form a part, and the integrated injection molding is carried out; and the split coat and hat hook is an independent part and is installed at a preset position of the vehicle body through screwing or welding. The two clothes and hat hook structures are exposed in a vehicle no matter whether the clothes and hat hook structures are used or not, and occupy a certain space in a relatively narrow space in the vehicle, so that the attractiveness of the interior trim is seriously affected, and if the vehicle collides, secondary damage can be caused to passengers, and certain potential safety hazards exist. In addition, the two clothes and hat hooks are generally in a fixed state when in use, in order to reduce the occupied space of the clothes and hat hooks, a movable clothes and hat hook is provided in the prior art, when not in use, the clothes and hat hooks are hidden, and a lock tongue for hiding the clothes and hat hooks is arranged on the clothes and hat hooks, so that the utility model provides a silent switch for the clothes and hat hooks to be improved.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a silent switch applied to a coat and hat hook, and the specific scheme is as follows:

a silent switch applied to a coat and hat hook comprises a shell, an inner jaw, a cam structure and a spring, wherein a hook used for being connected with an external lock tongue is formed on the inner jaw, the hook can perform opening/closing reciprocating motion relative to the inner jaw, and the inner jaw can relatively slide in the shell in a reciprocating mode;

a spring positioning boss is formed on the inner claw, a spring limiting column which is coaxial with the spring positioning boss is formed on the shell, the expansion direction of the spring is the same as the sliding direction of the inner claw, one end of the spring is sleeved on the spring positioning boss, and the other end of the spring is sleeved on the spring limiting column;

be formed with the cam mounting hole on the inner claw, the cam structrual installation is in the cam mounting hole, the cam structure can be relative free rotary motion is to inner claw, the bottom of shell is equipped with the promotion wedge, it is formed with the promotion inclined plane to promote the wedge, it is right to promote the inclined plane be used for the cam structure provides rotatory power, be equipped with the locking lug on the lateral wall of shell, the locking lug be used for with the cam structure chucking perhaps is right the cam structure provides rotatory power.

Furthermore, the cam structure comprises a limiting clamping block and a guide sliding block which are coaxially arranged, and the limiting clamping block is arranged close to the inner claw;

the limiting clamping block is integrally X-shaped, clamping V-shaped grooves are formed at two ends in the length direction respectively and are used for being matched with the locking lug;

the guide sliding block is provided with guide arc strips which are arranged in a centrosymmetric manner, and the two guide arc strips are respectively aligned with two end parts arranged on the limiting clamping block in an opposite angle manner.

Furthermore, a movable groove is formed in one side, located on the wedge-shaped block, of the shell, and the movable groove provides a space for the end portion of the limiting clamping block.

Furthermore, a front guide structure is arranged between the inner claw and the outer shell, the front guide structure comprises a front guide post arranged on the inner claw and a front guide straight groove arranged on the outer shell, and the front guide post can slide in a reciprocating manner relative to the front guide straight groove to assist the inner claw to open.

Furthermore, a front side installation inclined plane is formed at the top end of the front guide straight groove on the shell.

Furthermore, a rear guide structure is arranged between the inner claw and the shell and comprises a rear guide post arranged on the clamping hook and a rear guide arc groove arranged on the shell, and the rear guide post can slide in a reciprocating manner relative to the rear guide arc groove.

Furthermore, a rear side installation inclined plane is formed at the top end of the rear guide arc groove on the shell.

Furthermore, a height-limiting platform is formed on the inner claw, a height-limiting boss is formed at the upper end of the locking lug, and the height-limiting platform can be abutted to the height-limiting boss.

Compared with the prior art, the utility model has the following beneficial effects:

(1) when the touch switch is in an open state, the touch switch is separated from the lock tongue, the coat and hat hook is in a movable state and can be used, at the moment, the length direction of the cam structure is vertically arranged, after the coat and hat hook is used, the lock tongue extends into the position between the clamping hooks of the inner claw, the inner claw moves downwards relative to the shell under the downward pressing force transmitted by the lock tongue, the spring is compressed, the clamping hooks are gradually closed until the cam structure is contacted with the pushing wedge-shaped block, specifically, the end part of the limiting clamping block is positioned in the movable groove, the guide arc strip of the guide sliding block is contacted with the pushing wedge-shaped block, the surface of the guide arc strip rotates anticlockwise under the pushing of the pushing inclined plane, at the moment, the cam structure is obliquely arranged, when the downward pressing force disappears, the inner claw rises relative to the shell under the pushing of the spring, the cam structure also rises, at the moment, the clamping V-shaped groove at one end of the limiting clamping block is clamped with the occlusion sharp corner of the locking block, the cam is fixed, the inner claw also stops moving, so that the silent switch is in a locking state, the clamping hook keeps closing to clamp the lock tongue, and the coat hook is fixed. When the inner claw is pressed down by the lock tongue again, the cam structure is still in an inclined state, the surface of the limiting clamping block continues to rotate anticlockwise under the pushing of the pushing inclined plane, the whole cam structure is located below the locking lug, after the pressing force disappears, the inner claw is pushed by the spring to ascend relative to the shell, the cam structure also ascends, at the moment, the sharp corner of the locking lug pushes the limiting clamping block to enable the cam structure to continue to rotate anticlockwise, in the upward movement process of the inner claw, after the cam structure is separated from the contact of the sharp corner, under the action of the side plane of the locking lug, the cam structure returns to the initial vertical state to complete unlocking, meanwhile, the clamping hook is relatively opened, the lock tongue is conveniently separated, and therefore the switch can return to the open state again, and people can conveniently use the coat and hat hook;

(2) in conclusion, the silent switch has smaller integral volume, reduces the occupied space, simultaneously, the silent switch is matched with the coat and hat hook to work, when the coat and hat hook is not used, the coat and hat hook can be hidden, when the coat and hat hook needs to be used, the silent switch is turned on, the lock tongue can be loosened, and the coat and hat hook can be normally used;

(3) through setting up anterior guide structure, rear portion guide structure, when the relative shell reciprocal slippage of inner claw, preceding guide post moves in the straight flute that leads in the front simultaneously, in addition, in the state that the cooperation pothook opened, folded, back guide post moves at back direction arc groove, stability when improving holistic inner claw motion.

Drawings

FIG. 1 is an overall schematic diagram of an embodiment of the present invention;

FIG. 2 is an exploded schematic view of the present invention;

FIG. 3 is an exploded view of the present housing and inner jaw;

FIG. 4 is a bottom view of the inner jaw showing the location of the spring locating boss;

FIG. 5 is a top view of the housing showing the position of the spring retention post;

FIG. 6 is a schematic structural view of the housing showing the position of the locking projection and the wedge;

FIG. 7 is an overall schematic view of a cam configuration;

FIG. 8 is a cross-sectional view of the present invention showing the cam structure engaged with the pusher wedge (the first downward movement of the inner jaw);

fig. 9 is a cross-sectional view of the present invention showing the cam structure engaged with the pushing wedge (the second downward movement of the inner jaw).

Reference numerals: 1. a housing; 2. an inner jaw; 21. a hook; 22. a spring positioning boss; 23. A height-limiting platform; 24. a cam mounting hole; 3. a movable groove; 4. a spring; 5. a front guide structure; 51. a front guide post; 52. a front guide straight groove; 6. a rear guide structure; 61. a rear guide post; 62. a rear guide arc groove; 7. a cam structure; 71. a limiting clamping block; 711. clamping the V-shaped groove; 72. a guide slider; 721. guiding the arc strip; 8. pushing the wedge block; 81. pushing the inclined plane; 9. a locking projection; 10. the front side is provided with an inclined plane; 11. the rear side is provided with an inclined plane; 12. a height-limiting boss; 13. a spring limiting post; 14. and (6) observing holes.

Detailed Description

The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited to these examples.

With reference to fig. 1 and 2, a silent switch applied to a coat hook comprises a shell 1, an inner claw 2, a cam structure 7 and a spring 4, and the silent switch is matched with the coat hook for use through the structures, when the silent switch is turned off, the coat hook is in a fixed state and hidden on a vehicle body, and when the silent switch is turned on, the coat hook is in a movable state, so that a person can conveniently hang objects.

The inner claw 2 is used for being connected with a lock tongue on a coat and hat hook in a hanging mode, two symmetrically arranged clamping hooks 21 are integrally formed at one end of the inner claw 2, the clamping hooks 21 can perform opening/closing reciprocating motion relative to the inner claw 2 due to the fact that materials for manufacturing the inner claw 2 have deformation capacity, when the inner claw is connected with the lock tongue in a hanging mode, the two clamping hooks 21 are closed and matched with each other to hook the lock tongue, after the two clamping hooks 21 are opened, the lock tongue is loosened, and the coat and hat hook can move conveniently.

Referring to fig. 4 to 5, the inner jaw 2 can slide in the outer casing 1 in a reciprocating manner, when the inner jaw 2 moves downward relative to the outer casing 1, the two hooks 21 are pressed by the outer casing 1 to be closed relatively, and when the inner jaw 2 moves upward relative to the outer casing 1, the two hooks 21 lose the support of the outer casing 1 and can be opened relatively under the action of inertia. In order to improve the stability of the inner claw 2 during movement, a front guide structure 5 and a rear guide structure 6 are arranged between the inner claw 2 and the shell 1, the front guide structure 5 and the rear guide structure 6 are respectively positioned at the front side and the rear side of the silent switch, and the front guide structure 5 and the rear guide structure 6 respectively play a role in limiting and guiding when the inner claw 2 moves.

The front guide structure 5 comprises a front guide post 51 integrally arranged on the inner claw 2 and a front guide straight groove 52 opened on the outer shell 1, and the front guide post 51 can slide back and forth relative to the front guide straight groove 52. Be equipped with rear portion guide structure 6 between inner jaw 2 and the shell 1, rear portion guide structure 6 is including locating back guide post 61 on pothook 21 and seting up the back direction arc groove 62 on the shell 1, because pothook 21 is provided with two, back guide post 61 corresponds and is provided with two, and pothook 21 folds or can take place deformation when opening the motion, back direction arc groove 62 is vertical according to pothook 21, the ascending motion trail of horizontal direction corresponds and sets to be the curved arc form, back guide post 61 can be relative back direction arc groove 62 reciprocating slide and open with supplementary inner jaw 2.

The top that lies in preceding direction straight flute 52 on shell 1 is formed with front side installation inclined plane 10, and the top that lies in back direction arc groove 62 on shell 1 is formed with rear side installation inclined plane 11, when will interior claw 2 assemble in shell 1, and preceding guide post 51 gets into in preceding direction straight flute 52 under the guiding action of front side installation inclined plane 10, and back guide post 61 gets into in back direction arc groove 62 under the guiding action of rear side installation inclined plane 11. Preferably, the side wall of the housing 1 is provided with an observation hole 14 for facilitating a person to observe the internal condition, and the observation hole 14 is arranged on the same side as the front guide straight groove 52 and is close to the bottom of the housing 1.

Referring to fig. 2, 4 and 5, the inner jaw 2 is driven by the spring 4 to reset after moving down, and in detail, the extension direction of the spring 4 is the same as the sliding direction of the inner jaw 2, and when the inner jaw 2 moves down, the spring 4 is compressed to store elastic potential energy, and the generated elastic force can push the inner jaw 2 to move up. In this embodiment, be formed with spring location boss 22 on the inner claw 2, be formed with the spacing post 13 of spring with the coaxial setting of spring location boss 22 on the shell 1, the external diameter of spring location boss 22, the spacing post 13 of spring all with the internal diameter adaptation of spring 4, on spring location boss 22 was located to the one end cover of spring 4, on the spacing post 13 of spring was located to the other end cover of spring 4. Under the combined action of the spring positioning boss 22 and the spring limiting column 13, the compression direction of the spring 4 is prevented from deviating, so that the spring 4 is ensured to stably provide required thrust for resetting the inner claw 2.

With reference to fig. 3 and 6, preferably, the inner jaw 2 is formed with a height-limiting platform 23, and the height-limiting platform 23 is disposed on the same side as the front guide post 51 and is located at a height higher than that of the front guide post 51. Locking lug 9's upper end is formed with limit for height boss 12 with limit for height platform 23 complex, and limit for height platform 23 can set up with limit for height boss 12 butt, and after claw 2 moved down one section distance relative shell 1 in, limit for height platform 23 and limit for height boss 12 butt prevent interior claw 2 to continue to move down, played the positioning action to interior claw 2.

The inner claw 2 is characterized in that the inner claw 2 can only simply move up and down in the shell 1 under the action of the front guide structure 5, the rear guide structure 6 and the spring 4, the inner claw 2 and the spring bolt work in a matching mode, the cam mounting hole 24 is formed in the inner claw 2, the cam structure 7 is mounted in the cam mounting hole 24, the cam structure 7 can freely rotate relative to the inner claw 2 and can rotate clockwise and anticlockwise, the pushing wedge block 8 is arranged at the bottom of the shell 1, the pushing wedge block 8 is formed with the pushing inclined plane 81, the pushing inclined plane 81 is used for providing rotating power for the cam structure 7, and when the cam structure 7 moves to be in contact with the pushing inclined plane 81, the cam structure 7 can gradually rotate under the action of the pushing inclined plane 81 when moving downwards gradually. Be equipped with on the lateral wall of shell 1 and be square locking lug 9, the one corner of locking lug 9 lower extreme is established to the closed angle, and locking lug 9 is used for with cam structure 7 chucking or provides rotatory power to cam structure 7, and cam structure 7 realizes the chucking with the closed angle cooperation when shifting up gradually, or cam structure 7 rotates gradually under the roof pressure effect of closed angle when shifting up gradually.

When the inner claw 2 slides in a reciprocating manner, the cam structure 7 moves along with the inner claw 2, meanwhile, the cam structure 7 can be clamped with the locking convex block 9 to realize that the switch is in a locking state, the lock tongue is hooked, or the cam structure 7 rotates to change the position of the cam structure relative to the inner claw 2 and is not clamped with the locking convex block 9, so that the switch is in an opening state, and the lock tongue is released. See in particular the following.

Referring to fig. 7 to 9, the cam structure 7 includes a limiting latch 71 and a guide slider 72, which are coaxially disposed, and the limiting latch 71 is disposed near the inner jaw 2. The limiting clamping block 71 is overall X-shaped, clamping V-shaped grooves 711 are formed in the two ends in the length direction respectively, the clamping V-shaped grooves 711 are used for being matched with the locking lugs 9, and the outer edges of the limiting clamping block 71 are in transition connection through arc surfaces. The whole guide sliding block 72 is similar to an N shape, the outer edges of the guide sliding block are in transition connection through cambered surfaces, the central structure is an annular structure, guide arc strips 721 which are arranged in central symmetry are integrally formed on the outer wall of the annular structure, and the two guide arc strips 721 are respectively aligned with two end portions of the limiting clamping block 71 which are arranged diagonally.

A movable groove 3 (as shown in fig. 6) is formed on one side of the shell 1, which is located at the wedge-shaped block 8, and the movable groove 3 provides a space for the end of the limiting clamping block 71.

In the embodiment, for convenience of description, the initial state of the silent switch of the utility model is set as an open state, the silent switch is separated from the lock tongue, the coat and hat hook is in a movable state and can be used, at this time, the length direction of the cam structure 7 is vertically arranged, after the coat and hat hook is used, the lock tongue extends into the position between the hooks 21 of the inner claw 2, the inner claw 2 moves downwards relative to the shell 1 under the downward pressing force transmitted by the lock tongue, the spring 4 is compressed, the hooks 21 are gradually closed until the cam structure 7 is contacted with the pushing wedge-shaped block 8, specifically, one end part of the limiting block 71 is positioned in the movable groove 3, the guide arc strip 721 of the guide sliding block 72 is contacted with the pushing wedge-shaped block 8, the surface of the guide arc strip 721 is driven by the pushing inclined surface 81 to rotate anticlockwise, at this time, the cam structure 7 is obliquely arranged, when the downward pressing force disappears, the inner claw 2 is driven by the spring 4 to ascend relative to the shell 1, the cam structure 7 also ascends along with the inner claw, at the moment, the clamping V-shaped groove 711 at one end of the limiting clamping block 71 is clamped with the sharp corner of the locking convex block 9 in an occluded mode, the cam structure 7 is fixed, the inner claw 2 also stops moving, the silent switch is enabled to be in a locked state, the clamping hook 21 keeps being closed to hook the lock tongue, and therefore the coat and hat hook is fixed.

When the inner claw 2 is pressed down by the bolt again, because the cam structure 7 is still in an inclined state, the surface of the limiting clamping block 71 continues to rotate anticlockwise under the push of the push inclined plane 81, the whole cam structure 7 is positioned below the locking lug 9, when the pressing force disappears, the inner claw 2 is lifted relative to the shell 1 under the push of the spring 4, the cam structure 7 is lifted, and at the moment, the sharp corner of the locking lug 9 pushes the limit fixture block 71 to enable the cam structure 7 to continue to rotate anticlockwise, in the process that the inner claw 2 moves upwards, after the cam structure 7 is separated from the contact of the sharp corner, under the action of the side plane of the locking lug 9, the cam structure 7 returns to the initial vertical state to complete unlocking, meanwhile, the hook 21 is relatively opened, so that the bolt can be conveniently separated, the switch can be turned back to the open state again, and the coat and hat hook can be conveniently used by personnel.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims (8)

1. A silent switch applied to a coat and hat hook is characterized by comprising a shell (1), an inner claw (2), a cam structure (7) and a spring (4), wherein a hook (21) for being hooked with an external lock tongue is formed on the inner claw (2), the hook (21) can perform opening/closing reciprocating motion relative to the inner claw (2), and the inner claw (2) can relatively slide in the shell (1) in a reciprocating mode;

a spring positioning boss (22) is formed on the inner claw (2), a spring limiting column (13) which is coaxial with the spring positioning boss (22) is formed on the shell (1), the telescopic direction of the spring (4) is the same as the sliding direction of the inner claw (2), one end of the spring (4) is sleeved on the spring positioning boss (22), and the other end of the spring (4) is sleeved on the spring limiting column (13);

be formed with cam mounting hole (24) on interior claw (2), install cam structure (7) in cam mounting hole (24), cam structure (7) can be relative interior claw (2) is free rotary motion, the bottom of shell (1) is equipped with promotes wedge (8), it is formed with promotion inclined plane (81) to promote wedge (8), it is right to promote inclined plane (81) be used for cam structure (7) provide rotatory power, be equipped with locking lug (9) on the lateral wall of shell (1), locking lug (9) be used for with cam structure (7) chucking or right cam structure (7) provide rotatory power.

2. The silent switch applied to a coat hanger according to claim 1, wherein the cam structure (7) comprises a limit latch (71) and a guide slider (72) coaxially disposed, the limit latch (71) being disposed near the inner jaw (2);

the limiting clamping block (71) is integrally X-shaped, clamping V-shaped grooves (711) are formed at two ends in the length direction respectively, and the clamping V-shaped grooves (711) are used for being matched with the locking lugs (9);

the guide sliding block (72) is provided with guide arc strips (721) which are arranged in a central symmetry manner, and the two guide arc strips (721) are respectively aligned with two end parts which are arranged on the limiting clamping block (71) in an opposite angle manner.

3. The silent switch applied to a coat hanger according to claim 2, wherein the case (1) is formed with a movable groove (3) at one side of the pushing wedge (8), and the movable groove (3) provides a space for the end of the position-limiting latch (71).

4. The silent switch applied to a coat hook according to claim 1, characterized in that a front guide structure (5) is provided between the inner jaw (2) and the outer shell (1), and the front guide structure (5) comprises a front guide post (51) provided on the inner jaw (2) and a front guide straight groove (52) opened on the outer shell (1), and the front guide post (51) can slide back and forth relative to the front guide straight groove (52).

5. The silent switch applied to a coat hanger according to claim 4, wherein a front side installation slope (10) is formed on the top end of the housing (1) at the front guide straight groove (52).

6. Silent switch applied to coat and hat hooks according to claim 4, characterized in that a rear guide (6) is provided between the inner jaw (2) and the outer shell (1), the rear guide (6) comprising a rear guide post (61) provided on the catch (21) and a rear guide arc groove (62) provided on the outer shell (1), the rear guide post (61) being reciprocally slidable with respect to the rear guide arc groove (62) to assist the opening of the inner jaw (2).

7. A silent switch applied to a coat hanger as claimed in claim 6, wherein a rear side installation slope (11) is formed on the housing (1) at the top end of the rear guide arc groove (62).

8. The silent switch applied to a coat hook according to claim 1, wherein a height-limiting platform (23) is formed on the inner jaw (2), a height-limiting boss (12) is formed on the upper end of the locking projection (9), and the height-limiting platform (23) can be disposed in abutment with the height-limiting boss (12).

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