CN201537901U - Pre-pressing type shockproof and buffering hammer - Google Patents
Pre-pressing type shockproof and buffering hammer Download PDFInfo
- Publication number
- CN201537901U CN201537901U CN2009202162185U CN200920216218U CN201537901U CN 201537901 U CN201537901 U CN 201537901U CN 2009202162185 U CN2009202162185 U CN 2009202162185U CN 200920216218 U CN200920216218 U CN 200920216218U CN 201537901 U CN201537901 U CN 201537901U
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- shock
- prepressing type
- absorbing
- main body
- rear end
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Abstract
The utility model discloses a pre-pressing type shockproof and buffering hammer, which comprises a main body which comprises a handle, an outer cylinder, an air intake passage, an inner sliding seat, a moving cylinder, an air flow switching module, wherein the air intake passage is disposed on the rear end of the outer cylinder, and the inner sliding seat can be accommodated between the front end wall and the rear end wall of the accommodating space in a slidable state, a pre-disposed shockproof device, which is disposed between the inner sliding seat front end of the main body and the front end wall of the accommodating space, a two-section pre-pressing rear shock proof device, which is disposed between the inner sliding seat rear end of the main body and the rear end wall of the accommodating space. The two-section pre-pressing rear shock proof device comprises an upper section elastic buffering piece and a lower section elastic buffering piece overlapped together, at least the lower section elastic buffering piece is pressed by a pre-pressing member and is in a state of pre-pressing with predetermined compression degree. The product of the utility model can be widely adapted to occasions that the use of pre-pressing type shockproof and buffering hammers is needed.
Description
Technical field
The utility model relates to a kind of jump bit of pneumatic type, especially relates to a kind of group of prepressing type shock-absorbing shock absorbing hammer that is provided with two sections prepressing type rear shock absorbers.
Background technology
Jump bit is a kind of heavy hand-held tool of pneumatic type, and its hammering end can be assembled with cone tip shape or flat-shaped tool heads, to be applied in the architectural engineering aid such as brill, cutter, trimming as xoncrete structure.
In the described jump bit existing structure design, has the whole jump bit jumping phenomena that steady property is caused when preventing its tool heads sharp pounding when using operation in order to allow, therefore the body of jump bit is designed to have the greater weight state usually, yet, because the big more principle of the big more then reaction force of active force, though make this jump bit body use and go up and be difficult for beating because of heavy weight design, but in the face of its tool heads shakes the strenuous vibration that hammer object time institute acting in opposition is produced to the jump bit body, the hand that the user is gripped is felt numbness and uncomfortableness easily, and then accelerates fatigue, the generation of pain even injury.
At above-mentioned situation, then there is relevant industry to be improved breakthrough at the shock-absorbing buffer structure of described jump bit, wherein, absorb the back seat shaking force that is produced when this jump bit impacts in order to strengthen, have industry develop a kind of its inner cylinder body and urceolus before, the floated structure kenel of the two shock-absorbings that are provided with shock absorber is all organized in corresponding section, back two ends, this kind structural design is found in actual use experience, though it can reach preferable back seat shaking force compared to the one-sided anti-vibration structure of tradition and absorb buffering effect, so comparatively speaking, therefore the impact power of this jump bit internal piston is also and by taken in excess, so that the impact power intensity of the hammer that impacts is the problem of decay obviously, and the regret of attending to one thing and lose sight of another is arranged in fact.
In view of this, the present utility model people is active development research, and for improving the deficiency of the said goods, through the permanent research and experiment of making great efforts, development and Design goes out prepressing type shock-absorbing shock absorbing hammer of the present utility model finally.
The utility model content
The technical problems to be solved in the utility model provides a kind of prepressing type shock-absorbing shock absorbing hammer, can solve the also corresponding problem that weakens of impulsive force behind the shock absorber that is provided with in the prior art.
For achieving the above object, the technical solution adopted in the utility model is: a kind of prepressing type shock-absorbing shock absorbing hammer, and it comprises:
One main body, comprise the leader, one urceolus, one air inlet runner, slide in one, one action cylinder body, one air-flow handover module, wherein this air inlet runner is located at this outer tube rear end, should in slide be state slidably be placed in an accommodation space in this urceolus before, between the aft bulkhead, this action cylinder body is connected with slide front end in this, this action cylinder body front end protrudes out this outer cylinder front end and forms a tool heads group connecting part, this air-flow handover module is mounted on this action rear end of the cylinder block, controlling the advance and retreat motion of a piston in this action cylinder body, this action rear end of the cylinder block tool one air induction conduit is slidably state extension insert group in this air inlet runner; One preposition shock absorber is mounted between the interior slide front end and this accommodation space front bulkhead of this main body; One or two section prepressing type rear shock absorber, be mounted between the interior sliding base rear end and this accommodation space aft bulkhead of this main body, described two sections prepressing type rear shock absorbers comprise a mutually stacked epimere resilient snubber and a hypomere resilient snubber, wherein this at least the hypomere resilient snubber by a precompressed member it is compressed the preloading condition that is predetermined degree of compression.
Preferably, wherein the epimere resilient snubber of these two sections prepressing type rear shock absorbers is the made tubular block of elastic material.
Preferably, wherein the epimere resilient snubber of these two sections prepressing type rear shock absorbers is a helical spring.
Preferably, wherein to compress the precompressed member of this hypomere resilient snubber, can comprise that a pressing plate and plural bolt constitute, this pressing plate to be being resisted against this hypomere resilient snubber top, and this pressing plate is provided with plurality of through holes and wears group for these bolts; The interior sliding base rear end of this main body is provided with plural screw, for these bolt spiral shell group location.
Preferably, wherein the epimere resilient snubber of these two sections prepressing type rear shock absorbers can be compressed the preloading condition that is predetermined degree of compression by one second precompressed member, this second precompressed member comprises that one compresses embolium and plural bolt constitutes, so that the aft bulkhead of this main body is concaved with a locating slot, this locating slot is provided with directed embedding groove to bolt that should the second precompressed member, cooperates for pairing bolt inlay card and reaches directed positioning action.
Preferably, wherein said handle can be a rear-mounted handle kenel, is located at the outer tube rear end of this main body.
Preferably, wherein this handle rear end group is provided with a rear-mounted air inlet group connecting part.
The technical characterstic that this creation is dealt with problems, the person; Innovate unique design by this,
After adopting the technical solution of the utility model, because between the interior sliding base rear end of this main body and accommodation space aft bulkhead and be provided with one or two section prepressing type rear shock absorber, described two sections prepressing type rear shock absorbers comprise a stacked epimere resilient snubber and a hypomere resilient snubber mutually, wherein this at least the hypomere resilient snubber by a precompressed member it is compressed the preloading condition that is predetermined degree of compression, adopt this unique design, make this creation contrast prior art, because the elastic force of this two-part precompressed rear shock absorber is the state that is subjected to the precompressed restriction, can guarantee that its elastic force is constant relative status greater than this preposition shock absorber, this jump bit causes when slide produces kick in it because of piston impact moves like this, utilized described two-part precompressed rear shock absorber to obtain comparatively strong shock-absorbing buffering effect, be subjected to too big influence so that piston impact power intensity is unlikely, and then reach the practical improvement that promotes impact usefulness and take into account preferable shock-absorbing buffering effect.
Description of drawings
Fig. 1 is the stereo appearance figure of the utility model prepressing type shock-absorbing shock absorbing hammer preferred embodiment.
Fig. 2 is the member exploded perspective view of the utility model prepressing type shock-absorbing shock absorbing hammer preferred embodiment.
Fig. 3 is a partial structurtes exploded perspective view of the present utility model.
Fig. 4 is the structure cutaway view of the utility model preferred embodiment.
Fig. 5 is another side sectional view of partial structurtes of corresponding diagram 4.
Fig. 6 is the partial structurtes enlarged drawing of Fig. 4.
Fig. 7 is another enforcement illustration of epimere resilient snubber structure kenel of the present utility model.
The specific embodiment
Below in conjunction with drawings and embodiments the utility model is described in further detail.
See also Fig. 1 to Fig. 5, hammer into shape than preferred embodiment for prepressing type shock-absorbing shock absorbing of the present utility model, similarly embodiment only for the usefulness of explanation, is not subjected to the restriction of this structure in patent application; Described jump bit A comprises following formation:
One main body 10, it mainly comprises a urceolus 11, one air inlet runner 12, slide 13 in one, one action cylinder body 14, one air-flow handover module 15, wherein, this air inlet runner 12 is located at the rear end of this urceolus 11, this interior slide 13 is slidably, and state is placed between the front bulkhead 111 and aft bulkhead 112 of accommodation spaces 110 in this urceolus 11, this action cylinder body 14 is connected with the front end of slide 13 in this, these action cylinder body 14 front ends protrude out these urceolus 11 front ends and form a tool heads group connecting part 16, this air-flow handover module 15 is mounted on this action cylinder body 14 rear ends, to control the advance and retreat motion of pistons 17 in this action cylinder body 14, this action cylinder body 14 rear end tools one air induction conduit 18 is slidably state extension insert group in this air inlet runner 12 simultaneously;
One preposition shock absorber 20 is mounted between interior slide 13 front ends and this accommodation space 110 front bulkheads 111 of this main body 10;
One or two section prepressing type rear shock absorber 30, be mounted between the aft bulkhead 112 of interior slide 13 rear ends of this main body 10 and this accommodation space 110, described two sections prepressing type rear shock absorbers 30 comprise a stacked epimere resilient snubber 31 and a hypomere resilient snubber 32 mutually, wherein, this at least hypomere resilient snubber 32 by a precompressed member 33 it is compressed the preloading condition that is predetermined degree of compression; The precompressed member 33 of present embodiment specifically constitutes as Fig. 2, Fig. 3 and shown in Figure 5, comprise that a pressing plate 331 and plural bolt 332 constitute, this pressing plate 331 to be being resisted against the top of this hypomere resilient snubber 32, and this pressing plate 331 is provided with plurality of through holes 333 and wears group for these bolts 332; Simultaneously, interior slide 13 rear ends of this main body 10 are provided with plural screw 130, for these bolt 332 spiral shell groups location.
Wherein, the epimere resilient snubber 31 of these two sections prepressing type rear shock absorbers 30 can be the made tubular block of elastic material (as rubber, silica gel etc.); Perhaps epimere resilient snubber 31B as shown in Figure 7, it is constituted by a helical spring.
Wherein, shown in Fig. 2 to 4, the epimere resilient snubber 31 of these two sections prepressing type rear shock absorbers 30 also can be compressed the preloading condition that is predetermined degree of compression by one second precompressed member 40; This second precompressed member 40 can comprise that one compresses embolium 41 and plural bolt 42 constitutes, this compresses embolium 41 and is provided with plurality of through holes 43 and wears group for described bolt 42, and the bottom of described bolt 42 then screw lock is positioned the set screw 131 in interior slide 13 rear ends of this main body 10; The aft bulkhead 112 of this main body 10 is concaved with a locating slot 113 again, these locating slot 113 corresponding these bolts 42 are provided with directed embedding groove 114, cooperate for pairing bolt 42 bolt head position inlay cards, can make between this interior slide 13 and the main body 10 effect of reaching directed location, preventing interior slide 13 rotations like this.
Wherein, described main body 10 also includes leader 19, and this handle 19 can be a rear-mounted handle kenel, and urceolus 11 rear ends of being located at this main body 10 are the crooked kenel of extending of a ㄈ shape; Simultaneously, these handle 19 rear ends are also organized and are provided with a rear-mounted air inlet group connecting part 50, to import air pressure.
Adopt above-mentioned design, now be described as follows with regard to usage operation situation of the present utility model:
The running of relevant described jump bit A, with regard to gas flow path, please refer to shown in Figure 4, after external pressure W sees through these rear-mounted air inlet group connecting part 50 importings, arrive this set air inlet runner 12 in main body 10 rear ends through this handle 19, then air pressure will import this air-flow handover module 15 through this air induction conduit 18, enter this action cylinder body 14 inside then, in this process, utilize the automatic shunting change action of this air-flow handover module 15, get so that the air pressure path produces the predetermined variable condition of switching, so that should produce the ballistic motions of fast liftings advance and retreat by action cylinder body 14 interior pistons 17, and then the tool heads 161 that this tool heads group connecting part 16 is assembled produces the impact type shaking force of expection; It is prior art that the detailed operating principle of wherein said air-flow handover module 15 and action cylinder body 14 and runner constitute kenel, and the emphasis of yet non-the utility model is not promptly described in detail at this.
And the core design of jump bit A described in the utility model, mainly be to set up the technical characterstic of described two sections prepressing type rear shock absorbers 30, make relatively when slide 13 produces kicks in this when the 17 generation ballistic motions of the piston in this action cylinder body 14, because the resilient snubber of hypomere at least 32 of these two sections prepressing type rear shock absorbers 30 compresses the preloading condition that presents predetermined degree of compression by precompressed member 33, the elasticity that makes these two sections prepressing type rear shock absorbers 30 is constant relative status greater than this preposition shock absorber 20, can be because of the free floating of slide in this 13 before not causing, the phenomenon that rear shock absorber elastic force autobalance is identical; That is to say, cause when slide 13 produces kick in it because of the percussion action of this piston 17 when jump bit, utilized described two-part precompressed rear shock absorber 30 to obtain stronger shock-absorbing buffering effect, so that the impact power intensity of this piston 17 reason cushioning effect and be subjected to too big influence not, so, can take into account preferable shock-absorbing buffering effect simultaneously again so that jump bit A possesses preferable impact usefulness.
Advantage of the present utility model:
Main structural design by described two-part precompressed rear shock absorber, because the elastic force of this two-part precompressed rear shock absorber is the state that is subjected to the precompressed restriction, can guarantee that its elastic force is that constant relative status greater than this preposition shock absorber is not (before can causing because of the free floating of interior slide, the phenomenon that rear shock absorber elastic force autobalance is identical), make jump bit cause when slide produces kick in it because of piston impact moves like this, utilized described two-part precompressed rear shock absorber to obtain comparatively strong shock-absorbing buffering effect, be subjected to too big influence so that the impact power intensity of this piston is unlikely, and then reach the practical improvement that promotes impact usefulness and can take into account preferable shock-absorbing buffering effect again.
The above; it only is the specific embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; any those of ordinary skill in the art are in the disclosed technical scope of the utility model; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claims were limited.
Claims (7)
1. a prepressing type shock-absorbing shock absorbing is hammered into shape, and it is characterized in that: it comprises:
One main body, comprise the leader, one urceolus, one air inlet runner, slide in one, one action cylinder body, one air-flow handover module, wherein this air inlet runner is located at this outer tube rear end, should in slide be state slidably be placed in an accommodation space in this urceolus before, between the aft bulkhead, this action cylinder body is connected with slide front end in this, this action cylinder body front end protrudes out this outer cylinder front end and forms a tool heads group connecting part, this air-flow handover module is mounted on this action rear end of the cylinder block, controlling the advance and retreat motion of a piston in this action cylinder body, this action rear end of the cylinder block tool one air induction conduit is slidably state extension insert group in this air inlet runner;
One preposition shock absorber is mounted between the interior slide front end and this accommodation space front bulkhead of this main body;
One or two section prepressing type rear shock absorber, be mounted between the interior sliding base rear end and this accommodation space aft bulkhead of this main body, described two sections prepressing type rear shock absorbers comprise a mutually stacked epimere resilient snubber and a hypomere resilient snubber, wherein this at least the hypomere resilient snubber by a precompressed member it is compressed the preloading condition that is predetermined degree of compression.
2. prepressing type shock-absorbing shock absorbing hammer according to claim 1, it is characterized in that: wherein the epimere resilient snubber of these two sections prepressing type rear shock absorbers is the made tubular block of elastic material.
3. prepressing type shock-absorbing shock absorbing hammer according to claim 1, it is characterized in that: wherein the epimere resilient snubber of these two sections prepressing type rear shock absorbers is a helical spring.
4. prepressing type shock-absorbing shock absorbing hammer according to claim 1, it is characterized in that: wherein to compress the precompressed member of this hypomere resilient snubber, can comprise that a pressing plate and plural bolt constitute, this pressing plate to be being resisted against this hypomere resilient snubber top, and this pressing plate is provided with plurality of through holes and wears group for these bolts; The interior sliding base rear end of this main body is provided with plural screw, for these bolt spiral shell group location.
5. prepressing type shock-absorbing shock absorbing hammer according to claim 1, it is characterized in that: wherein the epimere resilient snubber of these two sections prepressing type rear shock absorbers can be compressed the preloading condition that is predetermined degree of compression by one second precompressed member, this second precompressed member comprises that one compresses embolium and plural bolt constitutes, so that the aft bulkhead of this main body is concaved with a locating slot, this locating slot is provided with directed embedding groove to bolt that should the second precompressed member, cooperates for pairing bolt inlay card and reaches directed positioning action.
6. prepressing type shock-absorbing shock absorbing hammer according to claim 1, it is characterized in that: wherein said handle can be a rear-mounted handle kenel, is located at the outer tube rear end of this main body.
7. prepressing type shock-absorbing shock absorbing hammer according to claim 6, it is characterized in that: wherein this handle rear end group is provided with a rear-mounted air inlet group connecting part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202162185U CN201537901U (en) | 2009-09-17 | 2009-09-17 | Pre-pressing type shockproof and buffering hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202162185U CN201537901U (en) | 2009-09-17 | 2009-09-17 | Pre-pressing type shockproof and buffering hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201537901U true CN201537901U (en) | 2010-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202162185U Expired - Fee Related CN201537901U (en) | 2009-09-17 | 2009-09-17 | Pre-pressing type shockproof and buffering hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201537901U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105327980A (en) * | 2015-10-15 | 2016-02-17 | 苏州拓科装饰工程有限公司 | Steel plate bending machine |
| CN109281457A (en) * | 2017-05-05 | 2019-01-29 | 金华知产婺源信息技术有限公司 | A kind of indoor decoration ground bar |
-
2009
- 2009-09-17 CN CN2009202162185U patent/CN201537901U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105327980A (en) * | 2015-10-15 | 2016-02-17 | 苏州拓科装饰工程有限公司 | Steel plate bending machine |
| CN109281457A (en) * | 2017-05-05 | 2019-01-29 | 金华知产婺源信息技术有限公司 | A kind of indoor decoration ground bar |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100804 Termination date: 20170917 |