CN208246730U - A kind of pneumatic pick - Google Patents
A kind of pneumatic pick Download PDFInfo
- Publication number
- CN208246730U CN208246730U CN201820627484.6U CN201820627484U CN208246730U CN 208246730 U CN208246730 U CN 208246730U CN 201820627484 U CN201820627484 U CN 201820627484U CN 208246730 U CN208246730 U CN 208246730U
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- helve
- coupling sleeve
- connector
- pneumatic pick
- fixedly connected
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Abstract
The utility model discloses a kind of pneumatic picks, its key points of the technical solution are that: including pneumatic pick ontology, pneumatic pick ontology includes helve, coupling sleeve, coupling sleeve end connection air intake valve device, cylinder body is equipped in coupling sleeve, hammer body and pick rod are successively arranged in cylinder body, it is slidably connected between helve and coupling sleeve by slide assemblies, is equipped in helve and acts on for reducing pneumatic pick to the second level dampening assembly of the recoil on staff's palm；It is fixedly connected on coupling sleeve and acts on for reducing pneumatic pick to the level-one dampening assembly of the recoil on staff's palm, level-one dampening assembly includes semiclosed first connector being fixedly connected on coupling sleeve and the second connector of a pair far from coupling sleeve one end that is connected to the first connector, is fixedly connected with pedal between the second connector.It acts on the utility model has the advantages that can reduce pneumatic pick to the recoil on staff's palm, operation when is more convenient.
Description
Technical field
The utility model relates to pneumatic tool apparatus fields, and in particular to a kind of pneumatic pick.
Background technique
Pneumatic pick is to utilize the hand-held construction equipment of percussion crushing hard objects using compressed air as power.It is a kind of
Hand tool, therefore it is required that it is compact-sized, it takes with light.
Chinese patent if Authorization Notice No. is CN2905357Y discloses a kind of pneumatic pick, including helve, coupling sleeve, connection
Cover end connection inlet duct and valving, in coupling sleeve shoulder be successively arranged the valve cabinet with return-air road and have gas vent and
The cylinder body in return-air road, cylinder body is interior to be connected with head springs equipped with hammer body, pick rod and drill sleeve, cylinder head, and pneumatic pick further includes only having
With impact direction when consistent just open air intake valve device, and also the side of pneumatic pick silencer cover be equipped with multiple bloops,
It is equipped between the helve and coupling sleeve of pneumatic pick between the inlet duct and coupling sleeve of cushion, pneumatic pick and is connected using taper thread.Its
The course of work is: handling helve with hand steered, by pick rod top alignment work object, helve is then depressed, in pressure and pneumatic pick itself
Under gravity, gas circuit is turned on, and the compressed air entered from inlet duct reaches in coupling sleeve quickly through valving, so that
Hammer body high speed moves down, and hits pick rod, destroys pick rod to object.
But because pneumatic pick is using pick rod crushing hard objects, during the work time when the collision of pick rod and object
When, pneumatic pick generates biggish recoil upwards, so that pneumatic pick acts on, staff larger to the recoil on staff's palm
It needs to be pressed downward helve with biggish power, prevents pneumatic pick and object to be detached from, just can guarantee that pneumatic pick continues to act on object,
Until object is crushed by pick rod.
Utility model content
The purpose of the utility model is to provide a kind of pneumatic picks, act on its advantage is that can reduce pneumatic pick to staff's palm
On recoil, operation when is more convenient.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of pneumatic pick, including wind
Pick body, pneumatic pick ontology include helve, coupling sleeve, coupling sleeve end connection air intake valve device, are equipped with cylinder body, cylinder in coupling sleeve
It is successively arranged hammer body and pick rod in vivo, cylinder head is connected with head springs, it is characterized in that: passing through cunning between helve and coupling sleeve
Dynamic component slippage connection, interior be equipped with of helve act on for reducing pneumatic pick to the second level damping group of the recoil on staff's palm
Part, second level dampening assembly include the damping spring being arranged in helve；
It is fixedly connected on coupling sleeve and acts on for reducing pneumatic pick to the level-one damping of the recoil on staff's palm
Component, level-one dampening assembly include that semiclosed first connector that is fixedly connected on coupling sleeve is remote with the first connector is connected to
The second connector of a pair from coupling sleeve one end, the second connector can rotate in the vertical direction around the first connector, and one
Pedal is fixedly connected between the second connector.
Through the above technical solutions, by pick rod top alignment work object, then depressing in use, handle helve with hand steered
Helve, under pressure and pneumatic pick self gravity, gas circuit is turned on, and air intake valve device controls hammer body in air intake valve device
It moves reciprocatingly in cylinder body under driving, and then pick rod is driven to destroy object.When pneumatic pick ontology and object contact,
Staff's foot pedal, pedal is rotated, until pedal is abutted with ground, so that passing through foot pedal for pneumatic pick and object
The recoil a part generated when contact is transferred to ground, acts on pneumatic pick to the recoil on staff's palm and carries out tentatively
Reduce.When pneumatic pick because when recoil is away from ground motion, coupling sleeve slides away from the direction on ground, so that
Coupling sleeve is abutted with spring, because there is spring certain elasticity to further decrease so that spring plays certain buffer function
Pneumatic pick is acted on to the recoil on staff's palm.
The utility model is further arranged to: second connector includes connecting plate, the connecting plate and described first
Connector is hinged.
Through the above technical solutions, connecting plate and the first connector are hinged, allow staff in foot pedal,
Connecting plate is rotated down, until connecting plate is abutted with object.
The utility model is further arranged to: second connector includes elastic band, the second connector and described first
Connector is fixedly connected.
Through the above technical solutions, in use, staff's foot pedal moves downward, because elastic band has elasticity,
So that elastic band extends downwards, until pedal and ground push against.When pick rod is abutted with object, pick rod protrudes into target
Object, this mode allow staff can be adaptively according to the length that the length and pick rod of pick rod protrude into object
Elastic band is elongated or shunk, remains that pedal is abutted with ground.
The utility model is further arranged to: guide post is equipped in the damping spring, guide post and helve are far from pick rod
One end is fixedly connected, and the length of guide post is less than the length of damping spring.
Through the above technical solutions, damping spring is shunk away from the direction of pick rod when coupling sleeve is abutted with spring,
The setting of guide post shrinks damping spring along the direction of guide post, prevents spring from abutting with helve inner wall, in turn
It prevents because the oblique contraction of spring is so that the damping effect of damping spring reduces.
The utility model is further arranged to: the guide post is made of rubber material.
Through the above technical solutions, because there is rubber certain elasticity to have certain hardness simultaneously, so that working as spring
When contraction, when coupling sleeve is abutted with rubber column, rubber column has a degree of contraction, plays certain buffering
Effect further decreases pneumatic pick and acts on to the recoil on staff's palm, while can prevent spring from supporting with helve inner wall
It connects.
The utility model is further arranged to: resilient cushion is equipped between the damping spring and the helve.
The utility model is further arranged to: sponge is equipped between the resilient cushion and the helve.
It acts on through the above technical solutions, further decreasing pneumatic pick to the recoil on staff's palm.
The utility model is further arranged to: the slide assemblies include be fixedly connected on coupling sleeve outer wall one circle it is convex
Edge, flange is circumferentially arranged along coupling sleeve, and flange is arranged in coupling sleeve close to helve one end；
Inner wall of the helve close to coupling sleeve one end is fixedly connected with a circle limiting stand, and flange is in limiting stand and helve
Between upper end.Through the above technical solutions, when pneumatic pick because flange is in limiting stand when recoil is away from ground motion
It is slid along the vertical direction in helve upper end, so that the direction that coupling sleeve can be shunk along damping spring slides, so that
Coupling sleeve is abutted with damping spring.
The utility model is further arranged to: the slide assemblies further include be fixedly connected on it is several on coupling sleeve outer wall
Draw runner, draw runner are fixedly connected with flange far from helve one end close to helve one end；
Through equipped with several sliding slots for draw runner sliding on the vertical direction of limiting stand.
Through the above technical solutions, the setting of draw runner plays the role of orientation and limit to the sliding of flange, so that flange
It only slides, cannot be moved horizontally between helve inner wall in the vertical direction.
In conclusion the utility model has the following beneficial effects:
1, pneumatic pick is acted on to the recoil on staff's palm by level-one damping device and is tentatively reduced；
2, pneumatic pick is acted on to the recoil on staff's palm by two-step buffer and is further decreased；
3, it can reduce pneumatic pick to act on to the recoil on staff's palm, operation when is more convenient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that pneumatic pick is embodied in the present embodiment；
Fig. 2 is the structural schematic diagram that the first dampening assembly is embodied in the present embodiment；
Fig. 3 is the structural schematic diagram that the second connector is embodied in the present embodiment；
Fig. 4 is the connection relationship diagram that the second connector and the first connector are embodied in the present embodiment；
Fig. 5 is the structural schematic diagram that second level dampening assembly is embodied in the present embodiment；
Fig. 6 is the structural schematic diagram that slide assemblies are embodied in the present embodiment；
Fig. 7 is the connection relationship diagram that flange and limiting stand are embodied in the present embodiment.
In figure, 1, pneumatic pick ontology；11, helve；12, pick rod；13, coupling sleeve；14, air intake valve device；15, formed punch fills
It sets；151, cylinder body；152, hammer body；153, head springs；2, level-one dampening assembly；21, the first connector；22, the second connector；
221, connecting plate；222, elastic band；23, pedal；3, second level dampening assembly；31, damping spring；32, resilient cushion；33, sponge；
34, guide post；4, slide assemblies；41, flange；42, draw runner；43, limiting stand；431, sliding slot.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.The wherein identical attached drawing of identical components
3 note of mark indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "upper", "lower", " bottom
Face " and " top surface " refer to that the direction in attached drawing, word "inner" and "outside" are referred respectively to towards or away from particular elements geometry
The direction at center.
Embodiment: a kind of pneumatic pick, as shown in Figure 1, including that pneumatic pick ontology 1 subtracts with the level-one for being fixedly connected on pneumatic pick ontology 1
Component 2 and second level dampening assembly 3 are shaken, pneumatic pick ontology 1 includes hollow helve 11 and is slidably connected to helve by slide assemblies 4
The coupling sleeve 13 of 11 inner walls and pick rod 12 for being crushed object are provided with for driving pick rod 12 broken on coupling sleeve 13
The punch device 15 of object and air intake valve device 14 for driving punch device 15 to move downward, air intake valve device
14 are fixedly connected on coupling sleeve 13 close to 11 one end of helve.
Punch device 15 includes the cylinder body 151 being arranged in coupling sleeve 13, is successively arranged hammer body 152 and pick in cylinder body 151
Pricker 12,151 head of cylinder body are connected with head springs 153, and hammer body 152 is under the driving of air intake valve device 14 in cylinder body 151
It moves reciprocatingly, and then pick rod 12 is driven to destroy object.In use, hammer body 152 under the driving of air intake valve device 14
It moves reciprocatingly in cylinder body 151, and then pick rod 12 is driven to destroy object.
As shown in Fig. 2, level-one dampening assembly 2 includes semiclosed first connector, 21 He being fixedly connected on coupling sleeve 13
It is connected to a pair second connector 22 of first connector 21 far from 13 one end of coupling sleeve, is fixed between a pair of second connector 22
It is connected with pedal 23.It is fixedly connected between first connector 21 and coupling sleeve 13 by screw.It is contacted in pick rod 12 with object
When, staff's foot pedal 23 rotates pedal 23, until pedal 23 is abutted with ground, so that passing through foot pedal
23 recoil a part generated when contacting pneumatic pick and object are transferred to ground, act on to staff's palm pneumatic pick
Recoil tentatively reduced.
As shown in Fig. 2, the second connector 22 can be set to connecting plate 221, connecting plate 221 and the first connector 21 are cut with scissors
It connects.In use, staff can rotate down connecting plate 221 in foot pedal 23, until connecting plate 221 and object
It abuts.
Be not limited to above scheme, as shown in figure 3, the second connector 22 is also possible to elastic band 222, the second connector 22 with
First connector, 21 integrally connected.In conjunction with Fig. 4, in use, staff's foot pedal 23 moves downward, because of elastic band 222
With elasticity, so that elastic band 222 extends downwards, until pedal 23 and ground push against.When pick rod 12 is abutted with object
It waits, pick rod 12 protrudes into object, and this mode allows staff to protrude into target according to the length and pick rod 12 of pick rod 12
Elastic band 222 adaptively can be elongated or be shunk by the length of object, remain that pedal 23 is abutted with ground.
As shown in figure 5, second level dampening assembly 3 includes the damping spring 31 being arranged in helve 11, set in damping spring 31
There is guide post 34, guide post 34 is fixedly connected far from 13 one end of coupling sleeve (in conjunction with Fig. 6) with helve 11, and the length of guide post 34 is small
In the length of damping spring 31.In conjunction with Fig. 6, when pneumatic pick because when recoil is away from ground motion, coupling sleeve 13 to
The direction far from ground slide so that coupling sleeve 13 is abutted with damping spring 31, because damping spring 31 is with certain bullet
Property, so that damping spring 31 plays the role of certain buffer function, further decrease the recoil on pneumatic pick to staff's palm
Power.The setting of guide post 34 shrinks damping spring 31 along the direction of guide post 34, reduces damping spring 31 and pick
A possibility that 11 inner wall of handle abuts, and then prevent because the oblique contraction of damping spring 31 is so that the damping effect of damping spring 31 drops
It is low.
Guide post 34 can be made of rubber material, because there is rubber certain elasticity to have certain hardness simultaneously,
So that guide post 34 has a degree of contraction when damping spring 31 shrinks coupling sleeve 13 and abuts with guide post 34,
Play the role of certain buffering effect, further decrease the recoil on pneumatic pick to staff's palm, while can prevent from subtracting
Shake spring 31 is abutted with 11 inner wall of helve.
Further, resilient cushion 32 and sponge 33, sponge 33 and helve 11 are equipped between damping spring 31 and helve 11
It is fixedly connected, further decreases pneumatic pick and act on to the recoil on staff's palm.
As shown in fig. 6, slide assemblies 4 include the circle flange 41 and several draw runners being fixedly connected on 13 outer wall of coupling sleeve
42, flange 41 is arranged along coupling sleeve 13 is circumferential, and flange 41 is arranged in coupling sleeve 13 close to 11 one end of helve, and draw runner 42 is close
11 one end of helve is fixedly connected with flange 41 far from 11 one end of helve.In conjunction with Fig. 7, correspondingly, in helve 11 close to coupling sleeve
The inner wall of 13 one end is fixedly connected with a circle limiting stand 43, slides through equipped with several for draw runner 42 on the vertical direction of limiting stand 43
Dynamic sliding slot 431, flange 41 are between 11 upper end of limiting stand 43 and helve.When pneumatic pick because recoil is transported away from ground
When dynamic, flange 41 slides along the vertical direction in limiting stand 43 and 11 upper end of helve, so that coupling sleeve 13 can edge
Damping spring 31 shrink direction sliding so that coupling sleeve 13 is abutted with damping spring 31.The setting of draw runner 42 is to flange 41
Sliding play the role of orientation and limit, cannot be between 11 inner wall of helve so that flange 41 only slides in the vertical direction
It moves horizontally.
The course of work: in use, handling helve 11 with hand steered, by 12 top alignment target object of pick rod, helve is then depressed
11, air intake valve device 14 controls hammer body 152 and moves reciprocatingly in cylinder body 151, and then pick rod 12 is driven to destroy object.
When pneumatic pick ontology 1 and object contact, staff's foot pedal 23 rotates pedal 23, until pedal 23 and ground
Face abuts, and the recoil a part generated when so that being contacted pneumatic pick and object by foot pedal 23 is transferred to ground, right
Pneumatic pick, which is acted on to the recoil on staff's palm, tentatively to be reduced.When pneumatic pick because recoil is away from ground motion
When, flange 41 and draw runner 42 slide along the vertical direction in limiting stand 43 and 11 upper end of helve, so that coupling sleeve 13
The direction that can be shunk along damping spring 31 slides, so that coupling sleeve 13 is abutted with damping spring 31, second level dampening assembly 2 is right
Pneumatic pick is acted on to the recoil on staff's palm and being further decreased.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (9)
1. a kind of pneumatic pick, including pneumatic pick ontology (1), pneumatic pick ontology (1) includes helve (11), coupling sleeve (13), coupling sleeve (13)
End is connected with air intake valve device (14), is equipped with cylinder body (151) in coupling sleeve (13), is successively arranged hammer body in cylinder body (151)
(152) and pick rod (12), cylinder body (151) head is connected with head springs (153), it is characterized in that: helve (11) and coupling sleeve
(13) it is slidably connected between by slide assemblies (4), is equipped with second level dampening assembly (3) in helve (11), second level dampening assembly (3)
Including the damping spring (31) being arranged in helve (11)；
It is fixedly connected on coupling sleeve (13) level-one dampening assembly (2), level-one dampening assembly (2) includes being fixedly connected on coupling sleeve
(13) semiclosed first connector (21) on and it is connected to a pair of the of the first connector (21) far from coupling sleeve (13) one end
Two connectors (22), the second connector (22) can rotate in the vertical direction around the first connector (21), and a pair second connects
Pedal (23) are fixedly connected between fitting (22).
2. a kind of pneumatic pick according to claim 1, it is characterized in that: second connector (22) includes connecting plate (221),
The connecting plate (221) and first connector (21) are hinged.
3. a kind of pneumatic pick according to claim 1, it is characterized in that: second connector (22) includes elastic band (222),
Second connector (22) is fixedly connected with first connector (21).
4. a kind of pneumatic pick according to claim 2, it is characterized in that: guide post (34) are equipped in the damping spring (31),
Guide post (34) is fixedly connected with helve (11) far from pick rod (12) one end, and the length of guide post (34) is less than damping spring (31)
Length.
5. a kind of pneumatic pick according to claim 4, it is characterized in that: the guide post (34) is made of rubber material.
6. a kind of pneumatic pick according to claim 5, it is characterized in that: between the damping spring (31) and the helve (11)
Equipped with resilient cushion (32).
7. a kind of pneumatic pick according to claim 6, it is characterized in that: being set between the resilient cushion (32) and the helve (11)
There are sponge (33).
8. a kind of pneumatic pick according to claim 7, it is characterized in that: the slide assemblies (4) include being fixedly connected on connection
Circle flange (41) on (13) outer wall is covered, flange (41) is circumferentially arranged along coupling sleeve (13), and flange (41) setting is joining
Female connector (13) is close to helve (11) one end；
Inner wall of the helve (11) close to coupling sleeve (13) one end is fixedly connected with a circle limiting stand (43), and flange (41) is in
Between limiting stand (43) and helve (11) upper end.
9. a kind of pneumatic pick according to claim 8, it is characterized in that: the slide assemblies (4) further include being fixedly connected on connection
Several draw runners (42) on female connector (13) outer wall, draw runner (42) is close to helve (11) one end and flange (41) far from helve (11) one
End is fixedly connected；Through equipped with several sliding slots (431) for draw runner (42) sliding on the vertical direction of limiting stand (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820627484.6U CN208246730U (en) | 2018-04-28 | 2018-04-28 | A kind of pneumatic pick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820627484.6U CN208246730U (en) | 2018-04-28 | 2018-04-28 | A kind of pneumatic pick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208246730U true CN208246730U (en) | 2018-12-18 |
Family
ID=64635532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820627484.6U Active CN208246730U (en) | 2018-04-28 | 2018-04-28 | A kind of pneumatic pick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208246730U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958047A (en) * | 2019-02-28 | 2019-07-02 | 黄钦英 | A kind of road construction crushing device used convenient for safety supports |
-
2018
- 2018-04-28 CN CN201820627484.6U patent/CN208246730U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958047A (en) * | 2019-02-28 | 2019-07-02 | 黄钦英 | A kind of road construction crushing device used convenient for safety supports |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 81, Fengtai District Feng pipeline, Beijing, Beijing Patentee after: Lingnan Water Group Co., Ltd. Address before: No. 81, Fengtai District Feng pipeline, Beijing, Beijing Patentee before: Beijing Xingang Yong Hao Water Engineering Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |