CN203863636U - Pneumatic chipping hammer - Google Patents
Pneumatic chipping hammer Download PDFInfo
- Publication number
- CN203863636U CN203863636U CN201420200198.3U CN201420200198U CN203863636U CN 203863636 U CN203863636 U CN 203863636U CN 201420200198 U CN201420200198 U CN 201420200198U CN 203863636 U CN203863636 U CN 203863636U
- Authority
- CN
- China
- Prior art keywords
- handle
- gear ring
- cylinder body
- pneumatic chipping
- chipping hammer
- 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 - Lifetime
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- 238000009434 installation Methods 0.000 claims description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- 230000000903 blocking effect Effects 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000009827 uniform distribution Methods 0.000 claims description 3
- 230000035939 shock Effects 0.000 abstract description 9
- 239000004576 sand Substances 0.000 abstract description 5
- 239000011449 brick Substances 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 210000000515 tooth Anatomy 0.000 description 24
- 239000007789 gas Substances 0.000 description 11
- 239000000126 substance Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 210000003141 lower extremity Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000251133 Sphyrna tiburo Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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- Percussive Tools And Related Accessories (AREA)
Abstract
The utility model discloses a pneumatic chipping hammer, in particular to a pneumatic tool used for cutting flashes and burrs of metal components, cleaning away sand and forming openings in various brick walls and concrete walls. The pneumatic chipping hammer is mainly composed of a handle, a cylinder, an air suction assembly, an opening and closing assembly, a hammer body, a drill sleeve, a drill and the like, a gear ring is additionally arranged between the handle and the cylinder, upper end face teeth on the upper end face of the gear ring are meshed with lower end face teeth on the bottom end face of the handle, and inner teeth on the inner circumferential face of the gear ring are also meshed with outer teeth on the outer circumferential face of the cylinder. Snap rings are additionally arranged between the bottom of the handle and the gear ring, so that the bottom of the handle is fixedly connected with the gear ring. Due to the connection structure, locking is more reliable, and when the pneumatic chipping hammer suffers from a large impact shock in a working process, threaded connection between the handle and the cylinder can be effectively prevented from getting loose. Meanwhile, a grip on the top of the handle is designed to be of an annular structure so that the impact shock borne by the grip can be shared evenly, impact resistance of the grip can be greatly enhanced, and the service life of the pneumatic chipping hammer can also be prolonged.
Description
Technical field
The utility model relate to a kind ofly cut for shoveling, the pneumatic tool of sand removal and metope open-work, specifically refer to pneumatic chipping hammer.
Background technology
Pneumatic chipping hammer is that a kind of shovel pricker by head or shovel head shovel in impact mode the pneumatic tool of cutting hardware overlap, burr and sand removal etc., the shovel that is usually used in the various metals of boiler, shipbuilding, metallurgical industry and other industry is cut the sand removal with surfacing, various foundry goods, also can be used for the open-work of various brick walls, concrete walls.At present, traditional pneumatic chipping hammer structure as shown in figure 10, mainly to be formed by handle body 9, cylinder body 2, air intake assembly 8, opening/closing component 7, hammer body 12, drill sleeve 13, head springs 1 and shovel pricker 14 etc., handle body 9 tops are provided with handle 93 and can be used for pneumatic chipping hammer when work for hand steered holding, handle body 9 bottoms are provided with installation cavity 94, cylinder body 2 afterbodys are threaded connection mode and are fastened in this installation cavity 94, add a pin 16 between the two and carry out locking.There are many defects in the pneumatic chipping hammer of above-mentioned this traditional structure: one in actual use, only carry out the locking that is threaded between handle body and cylinder body by a pin as anti-loose structure, when pneumatic chipping hammer in use, because the impact energy of outburst is continuously pointed to working substance by shovel pricker, and general work thing is all very hard, as armored concrete, building beam column and various metal materials etc., therefore pneumatic chipping hammer can be subject to very large anti-impact endurance test shock, and pin is larger as anti-loose structure joint gap, be given a shock and easily cause pin to come off and cause be threaded between handle body and cylinder body loosening, thereby reduce the impact energy of pneumatic chipping hammer, affect the normal use of pneumatic chipping hammer, the serious pneumatic chipping hammer part that also can damage, there is potential safety hazard, two, traditional pneumatic chipping hammer structure, the handle at its handle body top is all to adopt monolateral warp architecture, when often easily causing the bend of handle to bear larger impulsive force after the high-frequency vibrations that are subject to pneumatic chipping hammer work, and in handle, can design inlet channel, this has also further reduced the fatigue resistance of bend material, thereby causes the distortion of handle bend even to be ruptured, affect pneumatic chipping hammer service life.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the defect of prior art and the pneumatic chipping hammer of firm and reliable connection between a seedstalk body and cylinder body, more shock-resistant, handling safety, long service life is provided.
Technical problem of the present utility model is achieved through the following technical solutions:
A kind of pneumatic chipping hammer, comprises handle body, and this handle body top is provided with handle, and handle body bottom is provided with installation cavity, is provided with the cylinder body being connected and fixed in installation cavity; In described handle, be provided with inlet channel, the entrance point of this inlet channel is provided with the opening/closing component of air intake assembly and break-make entrance point, and the port of export of inlet channel is communicated with installation cavity; In described cylinder body, be provided with hammer body and the epicoele being separated by hammer body and cavity of resorption; Described cylinder body afterbody is provided with the air admission hole that is communicated with respectively installation cavity and epicoele and the valve circle that opens and closes air admission hole; In described cylinder side wall, be provided with the return gas channel that is communicated with respectively cavity of resorption and installation cavity, cylinder body middle part is provided with multiple steam vents, cylinder head is provided with the drill sleeve being arranged in head and is connected to the head springs outside head, in this drill sleeve, be provided with the shovel pricker that is subject to the work of hammer body shock, described handle body bottom end face is provided with lower surface tooth, and the cylinder body outer circumference surface of adjacent lower end face tooth is provided with external tooth; Described cylinder body is set with gear ring outward, this gear ring upper surface is provided with the lower surface tooth of described handle body bottom end face and engages equipped upper surface tooth, gear ring inner peripheral surface is provided with the external tooth on described cylinder body outer circumference surface and engages equipped internal tooth, between handle body bottom and gear ring, is provided with interconnected jump ring.
The syndeton of described jump ring respectively and bottom handle body, between gear ring is to be provided with annular slot on the outer circumference surface of handle body bottom, on gear ring outer circumference surface, be also provided with annular slot, the upper and lower edge of described jump ring all inwardly turns down out annular dogging shoulder, and the annular dogging shoulder at this upper and lower edge is fitted in respectively in the annular slot of handle body bottom and gear ring.
Described handle is loop configuration.
Described air intake assembly is mounted in connection swivel nut and the inlet suction port in the entrance point of inlet channel, between this connection swivel nut and handle body, is also provided with little elastic washer.
Described opening/closing component comprises the keying steel ball being arranged between entrance point and inlet channel, this keying steel ball outside is provided with the obstruction that sealing is installed, stopping up and opening and closing the spring blocking that is provided with mutual pushing tow between steel ball, open and close steel ball inner side and be provided with one end pushing tow keying steel ball, the other end through the push rod of handle pushing tow on pressure handle, between this push rod and handle, be provided with pushing rod sleeve, this pressure handle one end is articulated and connected on handle, and the other end is unsettled and expose outside handle.
Described handle is provided with the mounting groove of installing for pressure handle.
Described valve plate end face is provided with large elastic washer, and this large elastic washer contacts with the inner top surface of the installation cavity of handle body.
Described cylinder body is provided with the windshield of closed grate hole outward, and this windshield is provided with air discharge duct.
Described steam vent is provided with 7 of circumference uniform distribution.
Compared with prior art, the utility model is mainly between handle body and cylinder body, to have additional gear ring, this gear ring engages equipped with the lower surface tooth of handle body bottom end face by the upper surface tooth of upper surface, also engage equipped by the internal tooth on inner peripheral surface and the external tooth on cylinder body outer circumference surface, then between handle body bottom and gear ring, set up again jump ring fixing to be connected to each other, this syndeton compares that traditional single pin is locking can play better connection locking, it is loosening that it can more effectively prevent that in the time that pneumatic chipping hammer work is subject to greater impact vibrations being threaded between handle body and cylinder body from occurring, make to connect very firm between the two, reliably, operate also safer.Meanwhile, the handle at handle body top is designed to loop configuration and the impact endurance test shock bearing on handle evenly can be shared, and has greatly improved the impact resistance of handle, has also extended the service life of pneumatic chipping hammer.
Brief description of the drawings
Fig. 1 is sectional structure schematic diagram of the present utility model.
Fig. 2 is the sectional structure schematic diagram of handle body.
Fig. 3 is the outline drawing of Fig. 2.
Fig. 4 is the broken section structural representation of cylinder body.
Fig. 5 is the sectional structure schematic diagram of gear ring.
Fig. 6 is the top view of Fig. 5.
Fig. 7 is the sectional structure schematic diagram of jump ring.
Fig. 8 is the top view of Fig. 7.
Fig. 9 is the structural representation of windshield.
Figure 10 is traditional pneumatic chipping hammer structural representation.
Detailed description of the invention
To elaborate again to the utility model embodiment by above-mentioned accompanying drawing below.
As shown in Fig. 1 ~ Figure 10, 1. head springs, 2. cylinder body, 21. return gas channels, 22. air admission holes, 23. steam vents, 24. external tooths, 3. gear ring, 31. upper surface teeth, 32. internal tooths, 4. jump ring, 41. annular dogging shoulders, 5. valve plate, 6. large elastic washer, 7. opening/closing component, 71. "O"-rings, 72. stop up, 73. blocking pins, 74. spring blockings, 75. open and close steel ball, 76. push rods, 77. pushing rod sleeves, 78. pressure handles, 8. air intake assembly, 81. little elastic washers, 82. connect swivel nut, 83. inlet suction ports, 9. handle body, 91. mounting grooves, 92. inlet channels, 93. handles, 94. installation cavitys, 95. entrance points, 96. lower surface teeth, 10. valve circle, 11. windshield, 111. air discharge duct, 12. hammer bodies, 13. drill sleeves, 14. shovel prickers, 15. annular slots, 16. pins.
Pneumatic chipping hammer, it is that one is widely used in shovel and cuts hardware overlap, burr and sand removal, and the pneumatic tool of the open-work of various brick walls, concrete walls, its structure is to be mainly made up of handle body 9, cylinder body 2, air intake assembly 8, opening/closing component 7, hammer body 12, drill sleeve 13, head springs 1 and shovel pricker 14 etc.
As shown in Figure 2 and Figure 3, its top is provided with the handle 93 of loop configuration to described handle body 9, and this handle supplies the hand steered working substance of holding and point to while being mainly used in pneumatic chipping hammer work.Simultaneously, the handle 93 of this loop configuration can evenly be shared the impact endurance test shock bearing in the time that pneumatic chipping hammer operation is subject to high-frequency vibrations, therefore greatly strengthened the fatigue resistance of material and easy fracture not, improve the impact resistance of handle 93, also extend the service life of pneumatic chipping hammer.Handle body 9 bottoms are provided with the installation cavity 94 that Open Side Down, and the port part of this installation cavity is provided with can be for the internal thread connecting.
In described handle 93, be furnished with inlet channel 92, the entrance point 95 of this inlet channel is provided with the opening/closing component 7 of air intake assembly 8 and break-make entrance point, and the port of export of inlet channel 92 is communicated with installation cavity 94.
Described air intake assembly 8 is mounted in connection swivel nut 82 in the entrance point 95 of inlet channel 92 and is connected to the inlet suction port 83 being connected on swivel nut, between this connection swivel nut 82 and handle body 9, be also provided with little elastic washer 81, this inlet suction port 83 uses for pneumatic chipping hammer work for external gases at high pressure.
Described opening/closing component 7 comprises the keying steel ball 75 being arranged between entrance point 95 and inlet channel 92, between entrance point 95 and inlet channel 92, be also provided with and open and close interior shoulder that steel ball 75 coordinates to realize the break-make of entrance point 95, opening and closing steel ball 75 coordinates contact on interior shoulder, entrance point 95 is closed, open and close shoulder grafting in steel ball 75 disengagings and touch, entrance point 95 is opened, described keying steel ball 75 outsides are provided with stops up 72, this obstruction is done sealing fixed installation by "O"-ring 71 and blocking pin 73, between obstruction 72 and keying steel ball 75, be provided with the spring blocking 74 of mutual pushing tow, therefore the keying steel ball 75 under normality is to coordinate all the time to contact on interior shoulder under the thrust of spring blocking 74, is pent under entrance point 95 normalities, described keying steel ball 75 inner sides are provided with push rod 76, this push rod one end pushing tow is opening and closing on steel ball 75, the other end passes handle 93 pushing tows on pressure handle 78, between push rod 76 and handle 93, be provided with pushing rod sleeve 77, and pressure handle 78 is mounted in mounting groove set on handle 93 91, and pressure handle 78 one end are articulated and connected on handle 93, the other end is unsettled and expose outside handle, using as operating side, when the free end of pressing pressure handle 78 and exposing, it is inside that this pressure handle can promote push rod 76 around pin joint rotation, and then in 75 disengagings of pushing tow keying steel ball, shoulder grafting touches, can open entrance point 95.
Described cylinder body 2 afterbodys are provided with external screw thread, and in the mode being threaded is fixed on the installation cavity 94 of handle body 9 bottoms.Simultaneously, what cause in order to prevent pneumatic chipping hammer work to be subject to impact endurance test shock being threaded between handle body 9 and cylinder body 2 is loosening, also need between handle body 9 and cylinder body 2, design anti-loose structure locks, it is to be mainly provided with a circle lower surface tooth 96 at handle body 9 bottom end faces, handle body bottom outer circumference surface is provided with annular slot 15, on cylinder body 2 outer circumference surfaces of adjacent lower end face tooth 96, be provided with a circle external tooth 24, cylinder body is set with gear ring 3 outward, this gear ring is as Fig. 5, shown in Fig. 6, its upper surface is provided with a circle upper surface tooth 31, and from bottom to top engage by upper surface tooth on the lower surface tooth 96 that is fitted in handle body 9 bottom end faces, gear ring 3 inner peripheral surfaces are provided with a circle internal tooth 32, and engage by internal tooth on the external tooth 24 that is fitted in cylinder body 2 outer circumference surfaces, between handle body 9 bottoms and gear ring 3, be provided with again interconnected jump ring 4, this jump ring is as Fig. 7, shown in Fig. 8, on it, lower limb all inwardly turns down out annular dogging shoulder 41, on this, the annular dogging shoulder 41 of lower limb is fitted in respectively in the annular slot 15 of handle body 9 bottoms and gear ring 3, this anti-loose structure can more effectively in the time that pneumatic chipping hammer work is subject to greater impact vibrations prevent that becoming flexible from appearring in being threaded between handle body 9 and cylinder body 2, and make connection between the two very firm, reliably, operate also safer.
In described cylinder body 2, be provided with and be subject to gases at high pressure pushing tow can make upper and lower reciprocating hammer body 12 and the epicoele being separated by hammer body and cavity of resorption, and cylinder body 2 afterbodys also need to arrange the air admission hole 22 that is communicated with respectively installation cavity 94 and epicoele and the valve circle 10 that opens and closes air admission hole; In described cylinder body 2 sidewalls, be provided with the return gas channel 21 that is communicated with respectively cavity of resorption and installation cavity 94, this return gas channel is opened and closed by the valve plate 5 that is arranged on cylinder body 2 afterbody end faces, also be provided with large elastic washer 6 at valve plate end face, this large elastic washer contacts with the inner top surface of the installation cavity 94 of handle body 9, and plays the effect that slows down jerk; Described cylinder body 2 middle parts are provided with the steam vent 23 of 7 circumference uniform distributions as shown in Figure 4, cylinder body is provided with the windshield 11 of 7 steam vents of sealing outward, this windshield as shown in Figure 9, which is provided with air discharge duct 111, can alleviate the noise of cylinder body 2 interior gas dischargings by windshield 11; Described cylinder body 2 heads are provided with the drill sleeve 13 being arranged in head and are connected to the head springs 1 outside head, in drill sleeve 13, be provided with shovel pricker 14, this shovel bit shank end can be subject to the upper and lower reciprocating motion of hammer body 12 clash into and possess impact energy, thereby carries out the shovel cut work of working substance.
Working method of the present utility model is as follows: air intake assembly 8 external gas sources, operation opening/closing component 7 is opened entrance point 95, gases at high pressure are by inlet channel 92, air admission hole 22 enters the epicoele in cylinder body 2 fast, the cavity of resorption of cylinder body is by the quick return-air of return gas channel 21, therefore can being moved downward by gases at high pressure pushing tow fast, hammer body 12 clashes into shovel pricker 14 afterbodys, and shovel pricker 14 afterbodys are also clashed in the accumulation of energy that can again move upward after the steam vent 23 of crossing cylinder body 2 middle parts again, hammer body 12 upper, lower reciprocating motion has formed impact energy, after pointing to working substance by shovel pricker 14, just can shovel cut work to working substance.
Claims (9)
1. a pneumatic chipping hammer, comprises handle body (9), and this handle body top is provided with handle (93), and handle body bottom is provided with installation cavity (94), is provided with the cylinder body (2) being connected and fixed in installation cavity; In described handle (93), be provided with inlet channel (92), the entrance point (95) of this inlet channel is provided with the opening/closing component (7) of air intake assembly (8) and break-make entrance point (95), and the port of export of inlet channel (92) is communicated with installation cavity (94); In described cylinder body (2), be provided with hammer body (12) and the epicoele being separated by hammer body and cavity of resorption; Described cylinder body (2) afterbody is provided with the air admission hole (22) that is communicated with respectively installation cavity (94) and epicoele and the valve circle (10) that opens and closes air admission hole; In described cylinder body (2) sidewall, be provided with the return gas channel (21) that is communicated with respectively cavity of resorption and installation cavity (94), cylinder body (2) middle part is provided with multiple steam vents (23), cylinder body (2) head is provided with the drill sleeve (13) being arranged in head and is connected to the head springs (1) outside head, in this drill sleeve (13), be provided with and be subject to hammer body (12) to clash into the shovel pricker (14) of work, it is characterized in that described handle body (9) bottom end face is provided with lower surface tooth (96), cylinder body (2) outer circumference surface of adjacent lower end face tooth is provided with external tooth (24); The outer gear ring (3) that is set with of described cylinder body (2), this gear ring upper surface is provided with the lower surface tooth (96) of described handle body (9) bottom end face and engages equipped upper surface tooth (31), gear ring (3) inner peripheral surface is provided with the external tooth (24) on described cylinder body (2) outer circumference surface and engages equipped internal tooth (32), between handle body (9) bottom and gear ring (3), is provided with interconnected jump ring (4).
2. pneumatic chipping hammer according to claim 1, it is characterized in that the syndeton of described jump ring (4) respectively and bottom handle body (9), between gear ring (3) is to be provided with annular slot (15) on the outer circumference surface of handle body (9) bottom, on gear ring (3) outer circumference surface, be also provided with annular slot (15), the upper and lower edge of described jump ring (4) all inwardly turns down out annular dogging shoulder (41), and the annular dogging shoulder (41) at this upper and lower edge is fitted in respectively in the annular slot (15) of handle body (9) bottom and gear ring (3).
3. pneumatic chipping hammer according to claim 1 and 2, is characterized in that described handle (93) is for loop configuration.
4. pneumatic chipping hammer according to claim 1 and 2, it is characterized in that described air intake assembly (8) is mounted in interior connection swivel nut (82) and the inlet suction port (83) of entrance point (95) of inlet channel (92), is also provided with little elastic washer (81) between this connection swivel nut (82) and handle body (9).
5. pneumatic chipping hammer according to claim 1 and 2, it is characterized in that described opening/closing component (7) comprises the keying steel ball (75) being arranged between entrance point (95) and inlet channel (92), this keying steel ball outside is provided with the obstruction (72) that sealing is installed, stopping up and opening and closing the spring blocking (74) that is provided with mutual pushing tow between steel ball (75), open and close steel ball (75) inner side and be provided with one end pushing tow keying steel ball (75), the other end is through the push rod (76) of handle (93) pushing tow on pressure handle (78), between this push rod and handle (93), be provided with pushing rod sleeve (77), this pressure handle (78) one end is articulated and connected on handle (93), the other end is unsettled and expose outside handle (93).
6. pneumatic chipping hammer according to claim 5, is characterized in that described handle (93) is provided with the mounting groove (91) of installing for pressure handle (78).
7. pneumatic chipping hammer according to claim 1 and 2, is characterized in that described cylinder body (2) afterbody end face is provided with valve plate (5), and this valve plate end face is provided with large elastic washer (6), and this large elastic washer contacts with the inner top surface of the installation cavity (94) of handle body (9).
8. pneumatic chipping hammer according to claim 1 and 2, is characterized in that the outer windshield (11) that is provided with closed grate hole (23) of described cylinder body (2), and this windshield is provided with air discharge duct (111).
9. pneumatic chipping hammer according to claim 1 and 2, is characterized in that described steam vent (23) is provided with 7 of circumference uniform distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420200198.3U CN203863636U (en) | 2014-04-23 | 2014-04-23 | Pneumatic chipping hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420200198.3U CN203863636U (en) | 2014-04-23 | 2014-04-23 | Pneumatic chipping hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203863636U true CN203863636U (en) | 2014-10-08 |
Family
ID=51644621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420200198.3U Expired - Lifetime CN203863636U (en) | 2014-04-23 | 2014-04-23 | Pneumatic chipping hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203863636U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105768913A (en) * | 2014-12-22 | 2016-07-20 | 合肥道卓科技有限公司 | Non-entity stirring auxiliary system for intelligent cooking device |
-
2014
- 2014-04-23 CN CN201420200198.3U patent/CN203863636U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105768913A (en) * | 2014-12-22 | 2016-07-20 | 合肥道卓科技有限公司 | Non-entity stirring auxiliary system for intelligent cooking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141008 |
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| CX01 | Expiry of patent term |