CN208018087U - A kind of hammer of chain broken prevention - Google Patents
A kind of hammer of chain broken prevention Download PDFInfo
- Publication number
- CN208018087U CN208018087U CN201721688678.9U CN201721688678U CN208018087U CN 208018087 U CN208018087 U CN 208018087U CN 201721688678 U CN201721688678 U CN 201721688678U CN 208018087 U CN208018087 U CN 208018087U
- Authority
- CN
- China
- Prior art keywords
- bolt
- chain
- hemisphere
- retaining ring
- bolt hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Percussive Tools And Related Accessories (AREA)
Abstract
The utility model discloses a kind of hammers of chain broken prevention,It is characterized by comprising upper hemispheres,Lower hemisphere,Screw thread,Medicine ball,Groove,Bolt I,Bolt hole I,Screwed retaining ring I,Chain,Bolt II,Bolt hole II,Screwed retaining ring II,Rubber sleeve,Handle,Upper hemisphere is linked together with lower hemisphere by screw threads for fastening,Medicine ball is equipped in upper hemisphere and the hollow position of lower hemisphere,Groove is equipped at the top of medicine ball,Bolt hole I is equipped at the top of upper hemisphere,Bolt I is installed in bolt hole I,Bolt I is equipped with screwed retaining ring I in the grooves,One end of bolt I and chain connects,The other end of chain is connect with bolt II,Bolt II is mounted in bolt hole II,Bolt hole II is arranged in handle top centre position,Screwed retaining ring II is installed at the top of bolt II,The hand grip portion of handle sets up rubber sleeve separately.The utility model has the advantage of：It can effectively prevent being broken in chain during the games and sphere or with the junction of handle, ensure that the safety of match.
Description
Technical field
The utility model is related to a kind of hammer more particularly to a kind of hammers of chain broken prevention.
Background technology
Hammer match is carried out after labour with the tool of production iron hammer with wooden handle originating from Middle Ages Scotland miner
Throw more than match, after be listed in Olympic Sports Programme.Hammer laws of the game provide：Men's hammer throw weighs 7.26 kilograms, overall length 117.5
~121.5 centimetres, women's hammer throw weighs 4 kilograms, overall length
116.0~119.5 centimetres.When match, sportsman with the hands must throw out ball in the circle of 2.135 meters of diameter,
Hammer must fall valid in 40 degree of angle line, and circle is outer to have U-shaped to protect cage, it is ensured that throws safety.Hammer head iron or
Copper at being equipped with chain and handle, in existing hammer, chain and sphere, handle junction are not secured enough, readily occur in ratio above
The case where chain is detached with sphere during match causes extreme influence to games results, while also threatening the person peace of entrant
Entirely.The holding part of handle is directly copper or iron material matter, is easy to slip out of the hand in advance because more smooth after contact, it is same influence to compete at
Achievement.
Invention content
According to the above technical problem, the utility model provides a kind of hammer of chain broken prevention, it is characterised in that including episphere
Body, lower hemisphere, screw thread, medicine ball, groove, bolt I, bolt hole I, screwed retaining ring I, chain, bolt II, bolt hole II, anticreep
Nut II, rubber sleeve, handle, the upper hemisphere and lower hemisphere are respectively two hollow semicircles, the upper hemisphere with
Lower hemisphere is linked together by screw threads for fastening, and medicine ball, institute are equipped in the upper hemisphere and the hollow position of lower hemisphere
It states solid outer surface of ball to be bonded with upper hemisphere with the hollow inner surface that lower hemisphere forms, be equipped at the top of the medicine ball recessed
Slot, is equipped in bolt hole I, the bolt hole I at the top of the upper hemisphere and is equipped with bolt I, and the bolt I pacifies in the grooves
Equipped with screwed retaining ring I, one end of the bolt I and chain connects, and the other end of the chain is connect with bolt II, the bolt II peaces
In bolt hole II, the bolt hole II settings are equipped with anticreep spiral shell at the top of handle top centre position, the bolt II
The hand grip portion of female II, the handle set up rubber sleeve separately.
The material of the medicine ball is iron or copper.
The groove section is circle, and it is identical that the depth of groove and bolt I stretch into the length in upper hemisphere, described recessed
Slot diameter is identical as the outer diameter of screwed retaining ring I.
The rubber sleeve outer surface is equipped with raised lines.
The beneficial effects of the utility model are：The utility model spherical part passes through screw thread by upper hemisphere and lower hemisphere
It is fixedly connected, facilitates and mounted and dismounted, central hollow section is equipped with medicine ball, and medicine ball can keep the weight of hammer head
Amount, the groove at the top of medicine ball are just located therein screwed retaining ring I, and screwed retaining ring I is connect with bolt I, and the one of bolt I and chain
End connection, the other end of chain are connect with bolt II, and bolt II is connect with screwed retaining ring II, can be effectively prevent during the games
Junction of the chain with sphere or with handle is broken, and is even caused danger to influence games results, be ensure that the safety of match.
The hand grip portion of handle sets up rubber sleeve separately, and rubber sleeve is equipped with raised lines, it is possible to increase frictional force prevents in play because of handle
Holding portion smooth and so that hammer is slipped out of the hand in advance, greatly reduce the fault rate of match.
Description of the drawings
Fig. 1 is the utility model main structure chart.
As figure, upper hemisphere -1, lower hemisphere -2, screw thread -3, medicine ball -4, groove -5, bolt I-6, bolt hole I-7,
Screwed retaining ring I-8, chain -9, bolt II-10, bolt hole II-11, screwed retaining ring II-12, rubber sleeve -13, handle -14.
Specific implementation mode
Shown in below in conjunction with the accompanying drawings, the utility model is further described：The utility model is a kind of chain broken prevention
Hammer, including upper hemisphere 1, lower hemisphere 2, screw thread 3, medicine ball 4, groove 5, bolt I6, bolt hole I7, screwed retaining ring I8,
Chain 9, bolt II10, bolt hole II11, screwed retaining ring II12, rubber sleeve 13, handle 14, upper hemisphere 1 are distinguished with lower hemisphere 2
For two hollow semicircles, upper hemisphere 1 is fastened together with lower hemisphere 2 by screw thread 3, upper hemisphere 1 and lower half
Be equipped with medicine ball 4 in 2 hollow position of sphere, the material of medicine ball 4 is iron or copper, 4 outer surface of medicine ball and upper hemisphere 1 with
The hollow inner surface fitting that lower hemisphere 2 forms, 4 top of medicine ball are equipped with groove 5, and 1 top of upper hemisphere is equipped with bolt hole I7,
Bolt I6 is installed, bolt I6, which is located in groove 5, is equipped with screwed retaining ring I8, and 5 section of groove is circle, groove in bolt hole I7
5 depth stretch into that the length in upper hemisphere 1 is identical, and 5 diameter of groove is identical as the outer diameter of screwed retaining ring I8, bolt I6 with bolt I6
It is connect with one end of chain 9, the other end of chain 9 is connect with bolt II10, and bolt II10 is mounted in bolt hole II11, bolt hole
II11 settings are equipped with screwed retaining ring II12, the holding part of handle 14 at the top of 14 top center position of handle, bolt II10
Equipped with rubber sleeve 13,13 outer surface of rubber sleeve is equipped with raised lines.
In use, first bolt I6 is extend at the hollow position of upper hemisphere 1, screwed retaining ring I8 is tightened, then will be solid
Ball 4 is positioned over inside lower hemisphere 2, keeps 4 top groove 5 of medicine ball opposite with screwed retaining ring I8 upward, finally by upper hemisphere 1
It is fixedly connected by screw thread 3 with lower hemisphere 2, device, which facilitates, to be mounted and dismounted, and the medicine ball 4 of central hollow section can be with
Keep the weight of hammer head.Screwed retaining ring I8 is connect with bolt I6, and bolt I6 is connect with one end of chain 9, the other end of chain 9 with
Bolt II10 connections, bolt II10 are connect with screwed retaining ring II12, can effectively prevent chain 9 during the games and sphere or with
The junction of handle 14 is broken, and is even caused danger to influence games results, be ensure that the safety of match.The hand of handle 14
It holds part and is equipped with rubber sleeve 13, rubber sleeve 13 is equipped with raised lines, it is possible to increase frictional force prevents in play because of handle 14
It holds portion smooth and hammer is made to slip out of the hand in advance, greatly reduce the fault rate of match.
The above is only the preferred embodiment of the utility model, it is noted that for the general of the art
For logical technical staff, without departing from the principle of this utility model, several improvement can also be made, these improvement are also answered
It is considered as the scope of protection of the utility model.
Claims (4)
1. a kind of hammer of chain broken prevention, it is characterised in that including upper hemisphere, lower hemisphere, screw thread, medicine ball, groove, bolt
I, bolt hole I, screwed retaining ring I, chain, bolt II, bolt hole II, screwed retaining ring II, rubber sleeve, handle, the upper hemisphere with
Lower hemisphere is respectively two hollow semicircles, and the upper hemisphere is linked together with lower hemisphere by screw threads for fastening, institute
It states upper hemisphere and is equipped with medicine ball, the solid outer surface of ball and upper hemisphere and lower hemisphere in the hollow position of lower hemisphere
The hollow inner surface fitting formed, the medicine ball top are equipped with groove, and the upper hemisphere top is described equipped with bolt hole I
Bolt I is installed, the bolt I is equipped with screwed retaining ring I, the bolt I in the grooves and one end of chain connects in bolt hole I
It connects, the other end of the chain is connect with bolt II, and the bolt II is mounted in bolt hole II, and the bolt hole II is arranged in handle
Hand top center position, the tops bolt II are equipped with screwed retaining ring II, and the hand grip portion of the handle sets up rubber sleeve separately.
2. a kind of hammer of chain broken prevention described in accordance with the claim 1, it is characterised in that：The material of the medicine ball be iron or
Copper.
3. a kind of hammer of chain broken prevention described in accordance with the claim 1, it is characterised in that：The groove section is circle, described
Depth of groove stretches into that the length in upper hemisphere is identical with bolt I, and the groove diameter is identical as the outer diameter of screwed retaining ring I.
4. a kind of hammer of chain broken prevention described in accordance with the claim 1, it is characterised in that：The rubber sleeve outer surface is equipped with protrusion
Lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721688678.9U CN208018087U (en) | 2017-12-07 | 2017-12-07 | A kind of hammer of chain broken prevention |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721688678.9U CN208018087U (en) | 2017-12-07 | 2017-12-07 | A kind of hammer of chain broken prevention |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208018087U true CN208018087U (en) | 2018-10-30 |
Family
ID=63897254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721688678.9U Expired - Fee Related CN208018087U (en) | 2017-12-07 | 2017-12-07 | A kind of hammer of chain broken prevention |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208018087U (en) |
-
2017
- 2017-12-07 CN CN201721688678.9U patent/CN208018087U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181030 Termination date: 20191207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |