CN214565835U - Free side-impact type knocking piece and bell - Google Patents

Abstract

The utility model relates to a free side-impact type knocking piece and small bell, wherein the knocking piece is positioned on one side of a bell cover and comprises a knocking hammer and an extension spring, wherein the knocking hammer is arranged on the upper part of the extension spring, the extension spring is connected with a spring seat from the lower part, an upper mounting hole with a downward opening is formed in the knocking hammer, a lower mounting hole with an upward opening is formed in the spring seat, the knocking piece also comprises an upper mounting bolt and a lower mounting bolt, wherein the upper part of the extension spring is sleeved on the periphery of the upper mounting bolt, and the upper mounting bolt is positioned in the upper mounting hole; the lower part of the extension spring is sleeved on the periphery of the lower mounting bolt, the lower mounting bolt is positioned in the lower mounting hole, and the lower end part of the upper mounting bolt and the upper end part of the lower mounting bolt are arranged in a vertically spaced mode. The utility model discloses no matter hammer and spring holder are working of plastics or metalwork, can both realize the firm installation of extension spring, are difficult for droing moreover, reduce the probability that extension spring excessively warp the emergence simultaneously, prolong the life who strikes the piece.

Description

Free side-impact type knocking piece and bell

Technical Field

The utility model belongs to small bell product field, concretely relates to free side-impact type knocker, still relate to a small bell suitable for bicycle handle simultaneously.

Background

A conventional bicycle bell comprises a circular fixing seat, a spring clamp groove arranged on one side of the fixing seat, a bicycle bell arranged on the fixing seat, a pipe clamp arranged below the fixing seat and provided with a bolt, a hammer with a spring clamp groove, and a group of springs arranged between the spring clamp grooves, wherein the pipe clamp can be sleeved into a pipe body and tightly bound by the bolt. By means of the structure, when a user pulls the hammer, the spring can be bent and can generate lateral reset elastic force, and the reset elastic force enables the hammer to knock the bicycle bell and make a sound.

Regarding the combination mode among the hammer, the spring and the spring clamping groove, other companies achieve the connection of the spring, the spring and the upper and the lower parts by interference fit at present, however, if a plastic part is used, the problem of fit tolerance control exists, and the spring is easy to fall off; if the metal piece is used, the problems of difficult application and easy falling are caused, and meanwhile, the spring swings along with the hammer to deform and serve, but excessive deformation of the spring is easily caused, so that the service life of the knocking piece is short.

Meanwhile, the bell can achieve the expected use purpose, but once the bell is installed, the position of the hammer cannot be changed, so that the bell has the following defects:

1) the problem that the user can not operate the hammer at a comfortable angle, which causes inconvenience in operation and control;

2) once the applied external force is insufficient, the ring sound of the bicycle is too small to achieve the expected warning effect.

Disclosure of Invention

The utility model aims to solve the technical problem that overcome prior art not enough, provide a modified free side impact formula and strike piece. The spring fixing device is suitable for stable installation of a plastic piece or a metal piece on the spring and is not easy to fall off.

And simultaneously, the utility model discloses still relate to a small bell suitable for bicycle handle.

In order to solve the technical problem, the utility model discloses the technical scheme who takes as follows:

a free side-impact type knocking piece is positioned on one side of a bell cover and comprises a hammer and an extension spring, wherein the hammer is arranged on the upper part of the extension spring, the extension spring is connected to a spring seat from the lower part, an upper mounting hole with a downward opening is formed in the hammer, a lower mounting hole with an upward opening is formed in the spring seat,

particularly, the knocking piece further comprises an upper mounting bolt and a lower mounting bolt, wherein the upper part of the extension spring is sleeved on the periphery of the upper mounting bolt, and the upper mounting bolt is positioned in the upper mounting hole; the lower part of the extension spring is sleeved on the periphery of the lower mounting bolt, the lower mounting bolt is positioned in the lower mounting hole, and the lower end part of the upper mounting bolt and the upper end part of the lower mounting bolt are arranged in a vertically spaced mode.

Preferably, the upper portion of the upper mounting bolt is screwed to the hammer, and the tension spring is in clearance fit with the hole wall of the upper mounting hole. The reset of the extension spring is facilitated.

According to a preferred and preferred aspect of the present invention, the lower portion of the upper mounting bolt is flush with the bottom surface of the hammer; and the length of the extension spring wound around the lower portion of the upper mounting bolt is at least 1/3 the length of the entire extension spring. Not only can the position of the extension spring relative to the hammer be accurately judged, but also the falling probability is greatly reduced under the winding of at least the length 1/3 of the whole extension spring, and meanwhile, the spring is favorable for resetting.

According to yet another embodiment and preferred aspect of the present invention, the lower mounting bolt extends upwardly from the bottom of the spring seat and the length of the tension spring wound around the upper portion of the lower mounting bolt is at least 1/3 the length of the entire tension spring, wherein the tension spring is in clearance fit with the wall of the lower mounting hole. The reset of the extension spring is facilitated.

Preferably, extended barriers are provided at opposite sides of the spring seat, and the lower portion of the hammer is located between the extended barriers at both sides. The movement space of the hammer is defined to achieve the best impact effect.

Furthermore, the hammer comprises a hammer body, a hammer head and a hammer handle, wherein the hammer head is arranged in a protruding mode from the outer side of the hammer body to the bell cover, and the hammer handle is located on the opposite side of the hammer head and extends in the direction opposite to the protruding mode. The hammer handle is arranged, so that the hammer is convenient to control, and the raised hammer head can impact the bell cover better and make a loud ringtone.

Preferably, the hammer body, the hammer head and the hammer handle are integrally arranged, and the hammer handle is positioned on one side of the top of the hammer body. The user can control the device conveniently, and the device has a certain shape.

In addition, the connecting part is integrally formed with the mounting part, wherein the connecting part includes a first strap plate and a second strap plate having one end portions connected by a pivot, a locking bolt locking the other end portions of the first strap plate and the second strap plate, and a lining.

The utility model discloses another technical scheme is:

the utility model provides a small bell, its includes fixing base, bell lid and strikes the piece, and its fixing base includes connecting portion and installation department, and connecting portion and connected to frame, bell lid install on the installation department, especially, small bell still include around bell lid central line direction rotate set up the roating seat on the installation department and keep the block part of elasticity block between roating seat and the installation department, wherein strike the piece and be located one side of bell lid and from an end elastic connection on the roating seat, and strike the piece for foretell free side-strike formula and strike the piece.

Preferably, the mounting part comprises a main body fixed on the connecting part, a connecting piece matched with the main body from the center of the bell cover to realize the mounting of the bell cover, and the clamping part is arranged between the main body and the rotating seat or between the connecting piece and the rotating seat. Here, the installation part is provided with the engaging member, so that the rotating base and the installation part can be relatively engaged after the rotating base rotates to a corresponding angle, thereby enhancing the practicability.

According to a specific implementation of the utility model and preferred aspect, the roating seat establishes the seat body in the main part, outwards extends from one side of seat body extension ear including the cover, strikes the piece setting on extending the ear. Herein, not only can realize the relative installation department turned angle of roating seat and adjust, under the setting of extension ear, more make things convenient for the installation of piece of strikeing and can freely implement the side and strike the bell lid moreover.

Preferably, the connecting member is a connecting bolt, and the engaging member is disposed between the connecting bolt and the seat body and is a wave washer. Under the block that the wave packing ring provided, very make things convenient for roating seat free rotation angle's regulation.

Due to the implementation of the above technical scheme, compared with the prior art, the utility model have the following advantage:

the utility model discloses a separate from top to bottom last mounting bolt and lower mounting bolt assemble and by extension spring's winding with the last mounting hole that corresponds respectively with mounting hole down, no matter hammer and spring holder are working of plastics or metalwork, can both realize the firm installation of extension spring, be difficult for droing moreover, last mounting bolt and the internal stay to extension spring of installation spiral shell down simultaneously, reduce the probability that extension spring excessively warp and take place, the life of extension knocking.

Drawings

FIG. 1 is a schematic structural view of the free side-striking bell of the present invention;

FIG. 2 is a schematic structural view (another view) of the free side-striking bell of the present invention;

FIG. 3 is a schematic front view of FIG. 1;

FIG. 4 is a schematic right-side view of FIG. 3;

FIG. 5 is a top view of FIG. 3;

FIG. 6 is a schematic sectional view taken along line A-A of FIG. 4;

wherein: 1. a fixed seat; 1a, a connecting part; s, a pivot; 11a, a first hoop plate; 12a, a second hoop plate; 13. a locking bolt; 14. a liner; 1b, an installation part; 10b, a main body; 11b, a connecting piece; 110b, bolts; 111b, a gasket;

2. a bell cover;

3. a plexor member; 30. hammering; 30a, an upper mounting hole; 300. a hammer body; 301. a hammer head; 302. a hammer handle; 31. an extension spring; 32. installing a bolt; 33. a lower mounting bolt;

4. a rotating base; 40. a seat body; 41. an extension ear; 42. a spring seat; 420. a lower mounting hole; 43. an extension baffle;

5. and an engaging member.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature. It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

As shown in figures 1 and 2, the free side-striking bell of the embodiment comprises a fixed seat 1, a bell cover 2 and a striking piece 3.

Specifically, the fixing seat 1 includes a connecting portion 1a and an installation portion 1b, wherein the connecting portion 1a is connected to the frame, and the bell cover 2 is installed on the installation portion 1 b.

As shown in fig. 3, the connecting portion 1a is integrally formed with the mounting portion 1b, wherein the connecting portion 1a includes a first strap 11a and a second strap 12a having one end connected by a pivot s, a locking bolt 13a for locking the other ends of the first strap 11a and the second strap 12a, and an inner liner 14 a.

Referring to fig. 4 to 6, the mounting portion 1b includes a main body 10b fixed to the connecting portion 1a, and a connecting member 11b engaged with the main body 10b from the center of the bell cover 2 to mount the bell cover 2.

In this example, the bell cup 2 is freely rotatably or fixedly mounted to the body 10 b.

In this example, the bell further includes a rotary base 4 rotatably provided on the mounting portion 1b in the direction of the center line of the bell cover 2, and an engaging member 5 for maintaining the elastic engagement between the rotary base 4 and the mounting portion 1b, wherein the striker 3 is located on one side of the bell cover 2 and is elastically connected to the rotary base 4 from one end portion thereof.

The rotary seat 4 comprises a seat body 40 sleeved on the main body 10b, an extending lug 41 extending outwards from one side of the seat body 40, and the knocking piece 3 is arranged on the extending lug 41. Herein, not only can realize the relative installation department turned angle of roating seat and adjust, under the setting of extension ear, more make things convenient for the installation of piece of strikeing and can freely implement the side and strike the bell lid moreover.

The engaging member 5 is provided between the main body 10b and the rotary base 4 or between the link 11b and the rotary base 4. Here, by providing the engaging member 5, the rotary base 4 and the mounting portion 1b can be relatively engaged with each other after the rotary base 4 is rotated to a corresponding angle, so that the practicability can be enhanced.

The connecting member 11b is a connecting bolt, and the connecting bolt includes a bolt 110b and a washer 111 b.

In this example, the engaging member 5 is a wave washer provided between the spacer 111b and the seat body 40. Under the block that the wave packing ring provided, very make things convenient for roating seat 4 free rotation angle's regulation.

In this example, the striking element 3 comprises a hammer 30 and a tension spring 31, wherein the tension spring 31 is arranged with its upper end inside the hammer 30 and with its lower end connected to the extension lug 41.

A spring seat 42 is attached to the extension lug 41, the lower end portion of the tension spring 31 is disposed in the spring seat 42, and the hammer 30 is disposed above the spring seat 42 and spaced vertically. The arrangement of the spring seat reduces the leakage of the extension spring on one hand; and on the other hand, a more stable bell cover for implementing the hammer.

In this example, an upper mounting hole 30a opened downward is formed in the hammer 30, a lower mounting hole 420 opened upward is formed in the spring seat 42, and the striker 3 further includes an upper mounting bolt 32 and a lower mounting bolt 33.

The upper portion of the tension spring 31 is fitted around the outer periphery of the upper mounting bolt 32, and the upper mounting bolt 32 is positioned in the upper mounting hole 30 a. The lower portion of the tension spring 31 is fitted around the lower mounting bolt 33, the lower mounting bolt 33 is positioned in the lower mounting hole 420, and the lower end portion of the upper mounting bolt 32 is spaced apart from the upper end portion of the lower mounting bolt 33 in the vertical direction.

Specifically, the upper portion of the upper mounting bolt 32 is screwed to the hammer 30, and the tension spring 31 is fitted with a clearance in the hole wall of the upper mounting hole 30 a. The reset of the extension spring is facilitated.

The lower part of the upper mounting bolt 32 is flush with the bottom surface of the hammer 30; and the length of the lower tension spring 31 wound around the upper mounting bolt 32 is 1/3 times the length of the entire tension spring. Not only can the position of the extension spring relative to the hammer be accurately judged, but also the falling probability is greatly reduced under the winding of the length 1/3 of the whole extension spring, and meanwhile, the spring is favorable for resetting.

The lower mounting bolt 33 extends upward from the bottom of the spring seat 42, and the length of the tension spring 31 wound on the upper portion of the lower mounting bolt 33 is 1/2 times the length of the whole tension spring, wherein the tension spring 31 is in clearance fit with the hole wall of the lower mounting hole 420. The reset of the extension spring is facilitated.

Thus, the length of the tension spring 31 corresponding to the distance between the lower end of the upper mounting bolt 32 and the upper end of the lower mounting bolt 33 should be 1/6 times the length of the entire tension spring.

In this example, the lower mounting bolt 33 protrudes into the lower mounting hole 420 of the spring seat 42 from the bottom surface of the extension lug 41, and the bottom surface of the lower mounting bolt 33 is flush with the bottom surface of the extension lug 41.

In this example, extension flaps 43 are provided on opposite sides of the spring seat 42, and the lower portion of the hammer 30 is located between the extension flaps 43 on both sides. The movement space of the hammer 30 is further defined to achieve the optimum striking effect.

The hammer 30 includes a hammer body 300, a hammer head 301, and a hammer handle 302, wherein the hammer head 301 protrudes from the outer side of the hammer body 300 toward the bell cover 2, and the hammer handle 302 is located on the opposite side of the hammer head 301 and extends in the opposite direction to the protrusion. The hammer handle is arranged, so that the hammer is convenient to control, and the raised hammer head can impact the bell cover better and make a loud ringtone.

In summary, the present embodiment has the following advantages:

1. under the clamping of the wave washer, the elastic clamping between the rotating seat and the mounting part is realized, so that the position of the knocking piece is freely adjusted to meet the requirement that a user can complete the side impact of the bell cover at a comfortable angle;

2. the knocking piece is elastically connected to the rotating seat, so that free and continuous impact of the knocking piece on the bell cover can be implemented in a labor-saving state, and a good warning effect is achieved;

3. the upper mounting bolt and the lower mounting bolt which are vertically separated are respectively assembled with the corresponding upper mounting hole and the corresponding lower mounting hole and are wound by the extension spring, so that the extension spring can be stably mounted and is not easy to fall off no matter whether the hammer and the spring seat are plastic parts or metal parts;

4. under the internal stay of last mounting bolt and lower mounting screw to extension spring, reduce the probability that extension spring excessive deformation takes place, prolong the life of knocking the piece.

The present invention has been described in detail, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the same, and the protection scope of the present invention should not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (10)

1. A free side-impact type knocking piece is positioned on one side of a bell cover and comprises a hammer and an extension spring, wherein the hammer is arranged on the upper portion of the extension spring, the extension spring is connected to a spring seat from the lower portion, an upper mounting hole with a downward opening is formed in the hammer, a lower mounting hole with an upward opening is formed in the spring seat,

the method is characterized in that:

the knocking piece further comprises an upper mounting bolt and a lower mounting bolt, wherein the upper part of the extension spring is sleeved on the periphery of the upper mounting bolt, and the upper mounting bolt is positioned in the upper mounting hole; the lower portion of the extension spring is sleeved on the periphery of the lower mounting bolt, the lower mounting bolt is positioned in the lower mounting hole, and the lower end portion of the upper mounting bolt and the upper end portion of the lower mounting bolt are arranged in a vertically spaced mode.

2. The free side-impact strike according to claim 1, wherein: the upper portion of the upper mounting bolt is in threaded connection with the hammer, and the extension spring is in clearance fit with the hole wall of the upper mounting hole.

3. The free side-impact strike according to claim 1 or 2, wherein: the lower part of the upper mounting bolt is flush with the bottom surface of the hammer; and the length of the extension spring wound under the upper mounting bolt is at least 1/3 times the length of the whole extension spring.

4. The free side-impact strike according to claim 1 or 2, wherein: the lower mounting bolt extends upwards from the bottom of the spring seat and is wound on the upper part of the lower mounting bolt, the length of the extension spring is at least 1/3 of the length of the whole extension spring, and the extension spring is in clearance fit with the hole wall of the lower mounting hole.

5. The free side-impact strike according to claim 1, wherein: and extension baffles are arranged on the opposite sides of the spring seat, and the lower part of the hammer is positioned between the extension baffles on the two sides.

6. The free side-impact strike according to claim 5, wherein: the hammer comprises a hammer body, a hammer head and a hammer handle, wherein the hammer head is arranged in a protruding mode from the outer side of the hammer body to the bell cover, and the hammer handle is located on the opposite side of the hammer head and extends in the direction opposite to the protruding direction.

7. The free side-impact strike according to claim 6, wherein: the hammer body, the hammer head and the hammer handle are integrally arranged, and the hammer handle is positioned on one side of the top of the hammer body.

8. The utility model provides a small bell, its includes fixing base, bell lid and strikes the piece, wherein the fixing base includes connecting portion and installation department, connecting portion and connected to frame, the bell lid install the installation department on its characterized in that:

the bell further comprises a rotary seat rotatably arranged on the mounting part in the direction of the center line of the bell cover and a clamping part for keeping the rotary seat and the mounting part in elastic clamping, wherein the knocking piece is positioned on one side of the bell cover and is elastically connected to the rotary seat from one end part, and the knocking piece is the free side-striking type knocking piece disclosed by any one of claims 1 to 7.

9. The bell of claim 8 wherein: the installation part comprises a main body arranged on the connection part, and a connecting piece which is matched with the main body to realize the installation of the bell cover, wherein the clamping part is arranged between the main body and the rotating seat or between the connecting piece and the rotating seat.

10. The bell of claim 9 wherein: the connecting piece is a connecting bolt, and the clamping part is arranged between the connecting bolt and the rotating seat and is a wave washer; the rotary seat comprises a seat body sleeved on the main body and an extending lug extending outwards from one side of the seat body, and the spring seat is arranged on the extending lug; the connecting part and the mounting part are integrally formed, wherein the connecting part comprises a first hoop plate and a second hoop plate, one end of the first hoop plate and one end of the second hoop plate are connected through a pivot, a locking bolt for locking the other end of the first hoop plate and the other end of the second hoop plate, and a lining.

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