CN204229817U - Drum rod - Google Patents
Drum rod Download PDFInfo
- Publication number
- CN204229817U CN204229817U CN201420568986.8U CN201420568986U CN204229817U CN 204229817 U CN204229817 U CN 204229817U CN 201420568986 U CN201420568986 U CN 201420568986U CN 204229817 U CN204229817 U CN 204229817U
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- China
- Prior art keywords
- rod
- drum
- bulging
- link
- multistage
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Abstract
The utility model discloses a kind of drum rod, and described bulging rod comprises multistage, and multistage drum rod connects successively; Described multistage drum rod is provided with link between any two, described link stressed be greater than designated value time, two drum rods to be bent or separately relatively along this link.Bulging rod of the present utility model, be divided into multistage, multistage drum rod is provided with link between any two, when using drum to bludgeon to beat a drum etc. object, if link is when stress value is greater than designated value, the bulging rod of adjacent segment relatively bends or separately, relatively bends or separately the hitting power of drum rod can be laid down a part between two drum rods, the sound decibel value causing drum rod and object to produce is controlled in the scope of specifying, and reduces sound decibel value too high and injure human body generation.
Description
Technical field
The utility model relates to a kind of drum rod, particularly relates to a kind of stressed when being greater than designated value, the bulging rod of the power of unloading that bends.
Background technology
EN71 is the codes and standards of EU market toys product.Children are colonies that the whole society is concerned about and cherishes most, the toy market development that children generally like is swift and violent, the injury that each type toy brings to children due to each side quality problems simultaneously also happens occasionally, and therefore countries in the world become strict just day by day to the requirement of the toy in domestic markets.Many countries all establish oneself safety rule, and production company must ensure that its product meets relevant criterion at this area's before sales.The accident that manufacturer must cause the use because of production defect, poor design or inappropriate material is responsible for.Release toy EN71 certification decree thus in Europe, its meaning carries out technical manual by EN71 standard to the toy product entering European market, thus reduce or avoid toy to the injury of children.
EN71 standard comprises, and adult test man uses maximum strength, can produce the sound intensity value that exceeds restriction when the highest frequency hits the musical instruments such as (knocking) drum surface; Data shows, this superelevation decibel value generally exceeds about 10 decibels than decibel value during normal use, therefore before compared with Limited Doses 85 decibels, 10 decibels to be deducted with measured value, owing to having employed worst situation when measuring the peak emission sound intensity, therefore peak intensity of sound measured value can not perform subtraction.And the factor of the decibel value that impact strike (knocking) produces comprises the length of bulging rod, drum rod is longer, and the decibel value that strike (knocking) produces is higher, when exceeding standard decibel value, can have influence on the hearing of child.
Through repeatedly testing, when drum rod (density is less than 1.1 kilograms every cubic metre and mean diameter is less than the material of 15mm) length is less than 210MM, the sound knocked can not exceed standard.But 210MM drum rod is too short again, is inconvenient to use.
Utility model content
Fundamental purpose of the present utility model can not exceed the bulging rod of specified scope for providing a kind of decibel value that can control to produce when hitting the musical instruments such as drum surface.
In order to realize foregoing invention object, the utility model proposes a kind of drum rod, described bulging rod comprises multistage, and multistage drum rod connects successively; Described multistage drum rod is provided with link between any two, described link stressed be greater than designated value time, two drum rods to be bent or separately relatively along this link.
Further, described link comprises:
Soft accessory joint.
Further, described link comprises:
Spherical wringing fit telescopic lap splice.
Further, described link comprises:
Can take off breaks reinstalls formula joint.
Further, the mean diameter of described bulging rod is less than 15 millimeters, and the length of drum rod is greater than 210 millimeters.
Further, the latter end of described multistage drum rod is handling section, and the side face of handling section drum rod arranges frosted layer.
Bulging rod of the present utility model, be divided into multistage, multistage drum rod is provided with link between any two, when using drum to bludgeon to beat a drum etc. object, if link is when stress value is greater than designated value, the bulging rod of adjacent segment relatively bends along this link or separately, two drum rods relatively bend or separately the hitting power of drum rod can be laid down a part, the sound decibel value causing drum rod and object to produce is controlled in the scope of specifying, and reduces sound decibel value too high and injure human body generation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the bulging rod of the utility model one embodiment;
Fig. 2 is the using state figure of the bulging rod of the utility model one embodiment;
Fig. 3 is the structural representation that the bulging rod of the utility model one embodiment is connected by soft accessory joint;
Fig. 4 is the structural representation that the bulging rod of the utility model one embodiment is connected by spherical wringing fit telescopic lap splice;
Fig. 5 is that the bulging rod of the utility model one embodiment is by taking off the disconnected structural representation reinstalling formula joint.
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
See figures.1.and.2, propose the bulging rod 10 of the utility model one embodiment, described bulging rod 10 comprises multistage, and as the more multistages such as two sections, three sections, four sections, the bulging rod 10 of multistage connects successively; Described multistage drum rod 10 is provided with link 11 between any two, described link stressed be greater than designated value time, make two drum rods 10 along the bending or separately relatively of this link 11.Bending the or separately hitting power of drum rod 10 can be laid down a part between drum rod 10, the sound decibel value causing drum rod 10 and object 20 to produce is controlled in the scope of specifying, and reduces sound decibel value too high and produce human body and injure.In the present embodiment, drum rod 10 is divided into three sections, comprise the end gripped with the first paragraph of striking head, middle second segment and staff respectively, first paragraph drum rod 10, second segment drum rod 10 are connected successively with the 3rd section of bulging rod 10, and junction 11 can holding capacity be a designated value, this stress value sets according to requirements, such as, need drum rod 10 knock object 20 produce decibel value less, if the longer stressed designated value so set of drum rod 10 entirety is relatively little, if the shorter stressed designated value so set of drum rod 10 entirety is relatively large.When drum rod 10 strikes target thing 20, if drum rod 10 is stressed when being greater than designated value, link 11 between first paragraph drum rod 10 and second segment drum rod 10, the link 11 of second segment drum rod 10 and the 3rd section of bulging rod 10, will bend, lay down unnecessary hitting power, with reduce bulging rod 10 strike target thing 20 time decibel value.Link 11 between bulging rod 10 between any two, if relatively bending or separately need be completed between adjacent segment drum rod 10, can comprise multiple, such as, link 11 is glue, bulging rod between any two 10 connects by specifying the glue of viscosity, when junction is stressed be greater than the adhesion that glue produces time (stressed designated value) time, multistage drum rod 10 separates relatively; Or link 11 is articulated joint, the rotation force value of setting articulated joint, when articulated joint place is stressed be greater than rotation force value (the stressed designated value) of articulated joint time, relatively bend between the bulging rod 10 of adjacent segment; Or link 11 is magnet, the bulging rod 10 of adjacent segment adsorbs connection etc. mutually by magnet.
With reference to Fig. 3, in the utility model one embodiment, above-mentioned link 11 comprises soft accessory joint 111.Soft accessory joint 111 comprises hose adapter etc., such as flexible pipe is rubber tube, the two ends of rubber tube are socketed on the bulging rod 10 of connected section respectively, and have distance between adjacent segment drum rod 10, when drum rod 10 is stressed be greater than the bending power of rubber tube time, rubber tube generation bending, the bending of relative drive adjacent segment drum rod 10, lays down part drum rod 10 and to strike target the power of thing 20.The distance that the stressed bending of soft accessory joint 111 and the material of soft accessory, adjacent segment are roused between rod 10 determines, can carry out selecting and adjusting according to actual conditions.
With reference to Fig. 4, in the utility model one embodiment, above-mentioned link 11 comprises spherical wringing fit telescopic lap splice.Described spherical wringing fit telescopic lap splice comprises ball joint head 112 and the spherical spatial accommodation 113 with ball joint head 112 adaptation, the adjacent segment that is arranged on that ball joint head 112 and spherical spatial accommodation 113 are corresponding is respectively roused on rod 10, ball joint head 112 can the inwall friction rolling of relatively spherical spatial accommodation 113, when drum rod 10 is stressed be greater than friction force with spherical spatial accommodation 113 inwall of ball joint head 112 time, the relatively spherical spatial accommodation 113 of ball joint head 112 rolls, thus the bending of relative drive adjacent segment drum rod 10, lay down part drum rod 10 and to strike target the power of thing 20.The size of ball joint head 112 and the friction force of spherical spatial accommodation 113 inwall, can the adjustment such as foundation friction factor between the two and relative pressure between the two, and concrete environment for use can carry out selecting and adjusting according to actual conditions.
With reference to Fig. 5, in the utility model one embodiment, above-mentioned link 11 comprises taking off and disconnectedly reinstalls formula joint.Such as, the link of the two sections of bulging rods 10 relatively connected arranges corresponding dop 114 and draw-in groove 115, dop 114 and the adaptive clamping of draw-in groove 115, when drum rod 10 is stressed be greater than stressed designated value time, dop 114 is separated with draw-in groove 115, when being less than stressed designated value, stable connection, can not be separated.
In the utility model embodiment, the mean diameter of above-mentioned bulging rod 10 is less than 15 millimeters, and the length of drum rod 10 is greater than 210 millimeters.The mean diameter of drum rod 10 is less than 15 millimeters, conveniently grips use; The length of drum rod 10 is greater than 210 millimeters, when drum rod 10 (density is less than 1.1 kilograms every cubic metre and mean diameter is less than the material of 15mm) length is less than 210MM, the sound knocked can meet the codes and standards of EN71(EU market toys product), length is too short, so be inconvenient to use, but use bulging rod of the present utility model, can perfectly solve the problem, perfectly solve the problem that sound that is that knock exceeds standard because drum rod is long.
In the utility model embodiment, the latter end of above-mentioned multistage drum rod 10 is handling section, and the side face of handling section drum rod 10 arranges frosted layer, can be anti-skidding, and prevent user when using drum rod 10, drum rod 10 is slipped out of the hand and affects strike, improves and hits safety.
In the present embodiment, in use, drum rod 10 maintains straight shape or slightly bends distortion shape above-mentioned bulging rod 10, when being only subject to being greater than the stress value of specifying, bending just can occurring or separate.The Impact direction of described link 11 is the axis perpendicular to drum rod 10.
Bulging rod 10 of the present utility model, be divided into multistage, multistage drum rod 10 is provided with link 11 between any two, when using drum rod 10 to hit the objects 20 such as drum, if link 11 stress value is greater than designated value, the bulging rod 10 of adjacent segment relatively bends or separates, relatively bend between two drum rods 10 or separately the hitting power of drum rod 10 can be laid down a part, the sound decibel value causing drum rod 10 and object 20 to produce is controlled in the scope of specifying, and reduces sound decibel value too high and produce human body and injure.Strike toy in such as toy for children, need the codes and standards of the EU market toys product meeting EN71, percussive sounds cannot exceed the decibel value of specifying, and so just can pass through bulging rod 10 of the present utility model, and then sonorific decibel value when controlling to strike target thing 20.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model instructions and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. rouse a rod, it is characterized in that, described bulging rod comprises multistage, and multistage drum rod connects successively; Described multistage drum rod is provided with link between any two, described link stressed be greater than designated value time, two drum rods to be bent or separately relatively along this link.
2. bulging rod according to claim 1, is characterized in that, described link comprises:
Soft accessory joint.
3. bulging rod according to claim 1, is characterized in that, described link comprises:
Spherical wringing fit telescopic lap splice.
4. bulging rod according to claim 1, is characterized in that, described link comprises:
Can take off breaks reinstalls formula joint.
5. bulging rod according to claim 1, is characterized in that, the mean diameter of described bulging rod is less than 15 millimeters, and the length of drum rod is greater than 210 millimeters.
6. bulging rod according to claim 1, is characterized in that, the latter end of described multistage drum rod is handling section, and the side face of handling section drum rod arranges frosted layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420568986.8U CN204229817U (en) | 2014-09-29 | 2014-09-29 | Drum rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420568986.8U CN204229817U (en) | 2014-09-29 | 2014-09-29 | Drum rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204229817U true CN204229817U (en) | 2015-03-25 |
Family
ID=52927884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420568986.8U Expired - Fee Related CN204229817U (en) | 2014-09-29 | 2014-09-29 | Drum rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204229817U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9911402B1 (en) * | 2016-09-06 | 2018-03-06 | Richard L Farago | Dynamic drum beater |
| US20200168185A1 (en) * | 2018-11-28 | 2020-05-28 | Richard L. Farago | Dynamic Drum Beater |
-
2014
- 2014-09-29 CN CN201420568986.8U patent/CN204229817U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9911402B1 (en) * | 2016-09-06 | 2018-03-06 | Richard L Farago | Dynamic drum beater |
| US20190139519A1 (en) * | 2016-09-06 | 2019-05-09 | Richard L. Farago | Dynamic Drum Beater |
| US20200168185A1 (en) * | 2018-11-28 | 2020-05-28 | Richard L. Farago | Dynamic Drum Beater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |