CN112975006A - Quick-change tapping connecting rod and using method thereof - Google Patents
Quick-change tapping connecting rod and using method thereof Download PDFInfo
- Publication number
- CN112975006A CN112975006A CN202110336681.9A CN202110336681A CN112975006A CN 112975006 A CN112975006 A CN 112975006A CN 202110336681 A CN202110336681 A CN 202110336681A CN 112975006 A CN112975006 A CN 112975006A
- Authority
- CN
- China
- Prior art keywords
- quick
- screw
- connecting handle
- spring
- chuck
- 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.)
- Pending
Links
- 238000010079 rubber tapping Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000006835 compression Effects 0.000 claims abstract description 35
- 238000007906 compression Methods 0.000 claims abstract description 35
- 238000007789 sealing Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 2
- 238000012856 packing Methods 0.000 abstract 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
- B23G1/46—Equipment or accessories specially designed for machines or devices for thread cutting for holding the threading tools
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention discloses a quick-change tapping connecting rod and a using method thereof, wherein the quick-change tapping connecting rod comprises a tap chuck component and a connecting handle component; the screw tap chuck component comprises a chuck body, a spring jacket and a clamping nut, wherein the spring jacket is installed at the front end part of the chuck body, and the clamping nut is nested at the front end of the chuck body; the connecting handle assembly comprises a connecting handle body, a quick-change driving piece, a compression spring a, a spring pad and an elastic retainer ring b; chuck body swing joint connects this internal and utilize hexagon socket head cap screw on, compression spring b, packing ring an, the screw cap, the rubber packing ring, packing ring b, circlip a fixes, through this design, under the effect of quick change driving piece, realize that the tapping connects the quick assembly disassembly of pole and lathe main shaft, and utilize compression spring a, the spring pad, length compensation and compression compensation when circlip b effectively realizes the screw tap and attacks tooth, ensure the quality of tapping, the hexagon socket head cap screw of chuck body rear end portion can also effectively adjust screw tap extension length, convenient and fast.
Description
Technical Field
The invention relates to the technical field of tapping chucks, in particular to a quick-change tapping connecting rod and a using method thereof.
Background
The tapping connects the pole and is used for centre gripping screw tap and be connected with the lathe, and the dismouting is changed and the adjustment to the screw tap often in the work. Though current quick change screw tap connects pole installation adjustment swiftly, nevertheless have following shortcoming:
1) the clamping driving of the screw tap is completed by a spring jacket and a driving part respectively, and the driving part adjusts the length of the screw tap along with a threaded pin, so the length of the spring jacket and the length of the driving part are short, and the screw tap is easy to damage due to insufficient strength.
2) The clamping drive of the tap is accomplished by a spring collet and a drive member, respectively, so that the clamping nut must exert a large clamping force, otherwise the tap is easily rotated to destroy the square hole of the drive member. Because the taper angle of the spring jacket is small, the spring jacket is easy to be locked together with the matching piece chuck body in a self-locking manner after being pressed by a large nut, and the serious consequence that the nut cannot be pulled out of the spring jacket to scrap the connecting rod when the nut is loosened is caused.
3) The compression spring elastic deformation is used for length compensation during tapping of the screw tap, and the tapping depth becomes shallow due to the fact that stress of the screw tap is increased after the screw tap is abraded, so that the quality hidden trouble that the tapping depth is unstable exists.
4) The length of the screw tap is adjusted by using the adjusting threaded sleeve and the threaded pin, the axial stress of the screw tap during working is borne by the threads, the threaded pin is small and is easy to deform, so that the threaded pin is locked with the adjusting sleeve, and the tapping depth is influenced.
The above background disclosure is only for the purpose of assisting understanding of the concept and technical solution of the present invention and does not necessarily belong to the prior art of the present patent application, and should not be used for evaluating the novelty and inventive step of the present application in the case that there is no clear evidence that the above content is disclosed at the filing date of the present patent application.
Disclosure of Invention
The invention provides a quick-change tapping connecting rod and a using method thereof aiming at the technical problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
a quick-change tapping connecting rod comprises a tap chuck component and a connecting handle component; the screw tap chuck component comprises a chuck body, a spring jacket and a clamping nut, wherein the spring jacket is installed at the front end part of the chuck body, and the clamping nut is nested at the front end of the chuck body; the connecting handle assembly comprises a connecting handle body, a quick-change driving piece, a compression spring a, a spring pad and an elastic retainer ring b; the chuck body is movably connected in the connecting handle body; the quick-change driving piece is of a sleeve structure, is sleeved at the front end part of the connecting handle body and is connected with the cylindrical pin; the compression spring a is arranged between the quick-change driving piece and the connecting handle body, and the front end of the connecting handle body is connected with the spring pad and the elastic retainer ring b; a check ring is arranged at the front end of the connection between the chuck body and the connecting handle body; the back end of the chuck body of the screw tap chuck assembly is connected with an inner hexagonal screw, the inner hexagonal screw is nested with a compression spring b and a gasket a, the gasket a presses the compression spring b, a screw cap is installed at the head of the inner hexagonal screw, and then a rubber gasket, the gasket b and an elastic retainer ring a are sequentially installed at the outer end of the screw cap.
Furthermore, the chuck body is cylindrical and rod-shaped, a clamping sleeve hole convenient for mounting a spring clamping sleeve is formed in the front end portion of the chuck body, a screw hole is formed in the rear end portion of the chuck body, and a pin hole convenient for guiding and positioning a cylindrical pin is formed in the middle cylindrical surface of the chuck body.
Further, the front end part of the spring jacket is designed to be conical, the middle part is arranged to be a cylinder, and the rear end part is designed to be a square hole.
Furthermore, the taper of the front end part of the spring jacket is designed to be 15-50 degrees, four elastic grooves are formed in the circumferential direction of the spring jacket, the length of each elastic groove is consistent with that of a round hole matched with the screw tap, and the four elastic grooves are arranged at four angular positions of the square hole.
Furthermore, the connecting handle body is of a sleeve structure, a stepped through hole matched with the chuck body is formed in the connecting handle body, and an annular stepped flange is arranged outside the connecting handle body.
Furthermore, the compression spring b, the gasket a, the socket head cap screw, the screw cap, the rubber gasket, the gasket b and the elastic retainer ring a are all arranged in the stepped through hole at the rear end part of the connecting handle body.
Aiming at the quick-change tapping connecting rod, the using method specifically comprises the following steps:
s1: connecting an inner hole and a square hole of a spring jacket of the screw tap chuck assembly at the square head of a screw tap handle in a matching manner, and then pressing the spring jacket through a clamping nut so as to clamp the screw tap;
s2: sleeving a quick-change driving piece at the front end part of the connecting handle body, arranging a compression spring a between the quick-change driving piece and the connecting handle body, and connecting a spring pad and an elastic check ring b at the front end of the connecting handle body;
s3: firstly, mounting a cylindrical pin in a pin hole of a chuck body of a screw tap chuck assembly, sleeving the chuck body into a stepped through hole of a connecting handle body, and then mounting a check ring at the front end of the connecting handle body for sealing;
s4: the rear end part of a chuck body of the screw tap chuck assembly is connected with an inner hexagonal screw, a compression spring b and a gasket a are nested on the inner hexagonal screw, a screw cap is installed at the head part of the inner hexagonal screw, and then a rubber gasket, a gasket b and an elastic retainer ring a are sequentially installed at the outer end of the screw cap along a stepped through hole at the rear end part of the connecting handle body;
s5: the connecting handle body is connected with a spindle on a machine tool, the connecting handle body is separated from or combined with the spindle of the machine tool through a compression spring a by utilizing the driving action of a quick-change driving piece, and then the quick-change tapping connecting rod is screwed for 90 degrees, so that the quick-change tapping connecting rod is completely disassembled and assembled on the machine tool.
Compared with the prior art, the invention has the beneficial effects that:
according to the quick-change tapping connecting rod designed by the invention, the quick disassembly and assembly of the screw tap and the machine tool spindle are effectively realized through the connection of the chuck body and the connecting handle body, and in addition: 1) the screw tap is clamped by the spring jacket, so that the clamping strength is ensured, the clamping force applied by a clamping screw cap is small, and the jacket is very durable, so that the quick-change connecting rod is very durable; 2) the rubber gasket is used as compression compensation required by the screw tap during working, and the rubber gasket has small deformation, so that the required compensation can be provided, and the quality hidden trouble of unstable tapping depth caused by large stress after the screw tap is blunt is solved; 3) the extension length of the screw tap is adjusted through the socket head cap screws, so that the adjusting range is large, and the screw tap is stable, reliable and quick in working; 3) the taper of the spring jacket is 15-50 degrees, so that the screw tap is effectively clamped; 4) four elastic grooves are formed in the circumferential direction of the spring jacket, the length of the elastic grooves is consistent with that of the round hole matched with the screw tap, and the four elastic grooves are formed in the four corners of the square hole, so that the spring jacket is convenient to manufacture; 4) the deformation of the rubber washer is used to compensate for the compression required by the tap during operation.
Drawings
Fig. 1 is a schematic overall structure diagram of the quick-change tapping connecting rod of the design;
FIG. 2 is a schematic view of a tap collet assembly;
FIG. 3 is a cross-sectional view of the chuck body construction;
FIG. 4 is a side cross-sectional view of the chuck body structure;
FIG. 5 is a front view of the spring collet;
FIG. 6 is a side view of a spring collet;
FIG. 7 is a cross-sectional view of the spring collet A-A;
FIG. 8 is a schematic view of the stem assembly construction;
fig. 9 is a schematic structural view of the stem body.
Reference numerals: 1. a tap chuck assembly; 101. a chuck body; 102. a spring jacket; 103. clamping the nut; 104. a jacket hole; 105. screw holes; 106. a pin hole; 107. an elastic groove; 2. a stem assembly; 201. a connecting handle body; 202. a driving piece is quickly replaced; 203. a compression spring a; 204. a spring pad; 205. a circlip b; 206. a stepped through hole; 207. an annular stepped flange; 3. a retainer ring; 4. a cylindrical pin; 5. a compression spring b; 6. a gasket a; 7. a socket head cap screw; 8. a screw cap; 9. a rubber gasket; 10. a gasket b; 11. a elastic retainer ring a; 12. a screw tap; 13. a main shaft.
Detailed Description
An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment. It should be understood that the directions "up", "down", "left" and "right" mentioned in the following embodiments of the present invention are based on the positions of the corresponding drawings. These directional terms are used for convenience of description only and do not represent limitations on the particular embodiments of the present invention. Unless otherwise specified, like reference numerals in the reference numerals refer to like structures.
The invention relates to a quick-change tapping connecting rod, which is shown in the attached figure 1 and is a schematic diagram of the tapping connecting rod: the connecting rod comprises a tap chuck component 1 and a connecting handle component 2; referring to fig. 2, the tap collet assembly 1 comprises a collet body 101, a spring collet 102 and a clamping nut 103, referring to fig. 3 and 4, the collet body 101 is cylindrical and rod-shaped, a collet hole 104 for facilitating the mounting of the spring collet 102 is formed in the front end of the collet body 101, a screw hole 105 is formed in the rear end of the collet body 101, and a pin hole 106 is formed in the middle cylindrical surface of the collet body 101; referring to fig. 5 to 7, the front end of the spring jacket 102 is designed to be conical, the middle of the spring jacket is designed to be cylindrical, and the rear end of the spring jacket is designed to be a square hole; the collet 102 is fitted into a collet hole 104 formed in the front end of the collet body 101, and the clamping nut 103 is fitted into the front end of the collet body 101, thereby clamping the tap 12 together with the collet 102 and the clamping nut 103. In order to facilitate the clamping and loosening of the spring collet 102, the taper of the front end of the spring collet 102 is designed to be 15-50 degrees, preferably, the taper is designed to be 30 degrees, four elastic grooves 107 are formed in the circumferential direction of the spring collet 102, the length of each elastic groove 107 is consistent with the length of a round hole matched with the tap 12, and the four elastic grooves 107 are arranged at four angular positions of the square hole, so that the spring collet is convenient to manufacture.
Referring to fig. 8 to 9, the joint shank assembly 2 includes a joint shank body 201, a quick-change driving member 202, a compression spring a203, a spring pad 204, and a circlip b 205; the connecting handle body 201 is of a sleeve structure, a stepped through hole 206 matched with the chuck body 101 is formed in the connecting handle body 201, and an annular stepped flange 207 is arranged outside the connecting handle body 201 and used for clamping and positioning the machine tool spindle 13; the quick-change driving element 202 is of a sleeve structure, and is sleeved at the front end of the joint shank body 201, the compression spring a203 is arranged between the quick-change driving element 202 and the joint shank body 201, and the front end of the joint shank body 201 is connected with the spring pad 204 and the elastic retainer b205 for clamping the quick-change driving element 202.
When the two parts of the tap chuck component 1 and the connecting handle component 2 designed by the invention are assembled into a connecting rod, the tap chuck component 1 is sleeved into a sleeve hole of the connecting handle component 2, a cylindrical pin 4 is arranged in a pin hole 106 of the tap chuck component 1, the cylindrical pin 4 is connected with a quick-change driving part 202, and the connecting handle body 201 and a machine tool spindle 13 are separated or combined by sliding the quick-change driving part 202 and further utilizing the cylindrical pin 4; after the chuck body 101 is combined with the connecting handle body 201, a check ring 3 is arranged at the front end of the connecting handle component 2 for sealing; a connecting handle body 201 of the connecting handle component 2 is sleeved in a main shaft 13 on a machine tool; the rear end part of the chuck body 101 of the tap chuck assembly 1 is connected with an inner hexagon screw 7, a compression spring b5 and a washer a6 are nested on the inner hexagon screw 7, the washer a6 presses the compression spring b5, a screw cap 8 is installed at the head part of the inner hexagon screw 7, then a rubber washer 9, a washer b10 and an elastic retainer ring a11 are sequentially installed at the outer end of the screw cap 8, and the compression spring b5, the washer a6, the inner hexagon screw 7, the screw cap 8, the rubber washer 9, the washer b10 and the elastic retainer ring a11 are all arranged in a stepped through hole 206 at the rear end part of the connecting handle body 201. The tap chuck component 1 designed by the invention plays a role in clamping the tap 12; the quick-change driving piece 202 realizes the quick assembly and disassembly of the connecting handle assembly 2 and the main shaft 13 (or the connecting rod) on the machine tool; the retainer ring 3 plays a role in sealing; the cylindrical pin 4 plays a role in guiding and driving; the compression spring b5 not only compensates the stretching of the tap 12 during operation, but also enables the right end of the socket head cap screw 7 to be abutted against the screw cap 8 through elasticity, and the socket head cap screw 7 not only can be connected with the tapping chuck body 101, but also can adjust the length of the tap 12; the screw cap 8 has a coarse positioning function on the inner hexagonal screw 7; the rubber gasket 9 plays a role in compression compensation when the screw tap 12 works; and washer b10 and circlip a11 act as axial location for the tap 12. When the quick-change tapping connecting rod designed by the invention is used, the tapping connecting rod is quickly disassembled and assembled from a machine tool through the quick-change driving piece 202 of the connecting handle assembly 2, then the screw tap 12 is disassembled and assembled through the clamping screw cap 103 on the screw tap chuck assembly 1, and the required extending length of the screw tap 12 is adjusted through the socket head cap screw 7.
Aiming at the quick-change tapping connecting rod in the design, the using method comprises the following steps:
s1: an inner hole and a square hole of a spring jacket 102 of the tap chuck assembly 1 are connected to the square head of the handle part of the tap 12 in a matching mode, and then the spring jacket 102 is pressed tightly through a clamping nut 103 so as to clamp the tap 12;
s2: sleeving a quick-change driver 202 at the front end part of a joint shank body 201, arranging a compression spring a203 between the quick-change driver 202 and the joint shank body 201, and connecting a spring pad 204 and an elastic retainer ring b205 at the front end of the joint shank body 201;
s3: firstly, a cylindrical pin 4 is arranged in a pin hole 106 of a chuck body 101 of a tap chuck assembly 1, then the chuck body 101 is sleeved in a stepped through hole 206 of a connecting handle body 201, and then a check ring 3 is arranged at the front end of the connecting handle body 201 for sealing;
s4: the rear end part of a chuck body 101 of the tap chuck assembly 1 is connected with an inner hexagon screw 7, a compression spring b5 and a washer a6 are nested on the inner hexagon screw 7, the head part of the inner hexagon screw 7 is provided with a screw cap 8, and then the outer end of the screw cap 8 is sequentially provided with a rubber washer 9, a washer b10 and an elastic retainer a11 along a stepped through hole 206 at the rear end part of a connecting handle body 201;
s5: the connecting handle body 201 is connected with a spindle 13 on a machine tool, the connecting handle body 201 is separated from or combined with the spindle 13 of the machine tool through a compression spring a203 by utilizing the driving action of a quick-change driving piece 202, and then the quick-change tapping connecting rod is screwed for 90 degrees, so that the quick-change tapping connecting rod is completely disassembled and assembled on the machine tool.
According to the invention, the chuck body 101 and the spring jacket 102 are matched with the chuck body through a section of cone, a section of cylinder and a square hole, the screw tap 12 is clamped on the spring jacket 102 through the clamping screw cap 103, so that the strength of the spring jacket 102 is better, the square hole on the spring jacket 102 drives the screw tap 12, and the square hole in the chuck body 101 drives the spring jacket 102, so that the driving is very reliable, too large force does not need to be applied to the clamping screw cap 103 when the screw tap 12 is clamped, meanwhile, the taper of the spring jacket 102 is large, and the spring jacket 102 can be automatically loosened when the clamping screw cap 103 is loosened, so that the clamping of the screw tap 12 is convenient and reliable.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, which is defined by the claims.
Claims (7)
1. The utility model provides a quick change tapping connects pole which characterized in that: comprises a tap chuck component and a connecting handle component; the screw tap chuck component comprises a chuck body, a spring jacket and a clamping nut, wherein the spring jacket is installed at the front end part of the chuck body, and the clamping nut is nested at the front end of the chuck body; the connecting handle assembly comprises a connecting handle body, a quick-change driving piece, a compression spring a, a spring pad and an elastic retainer ring b; the chuck body is movably connected in the connecting handle body; the quick-change driving piece is of a sleeve structure, is sleeved at the front end part of the connecting handle body and is connected with the cylindrical pin; the compression spring a is arranged between the quick-change driving piece and the connecting handle body, and the front end of the connecting handle body is connected with the spring pad and the elastic retainer ring b; a check ring is arranged at the front end of the connection between the chuck body and the connecting handle body; the back end of the chuck body of the screw tap chuck assembly is connected with an inner hexagonal screw, the inner hexagonal screw is nested with a compression spring b and a gasket a, the gasket a presses the compression spring b, a screw cap is installed at the head of the inner hexagonal screw, and then a rubber gasket, the gasket b and an elastic retainer ring a are sequentially installed at the outer end of the screw cap.
2. The quick-change tapping extension rod of claim 1, wherein: the chuck body is cylindrical rod-shaped, a clamping sleeve hole convenient for mounting a spring clamping sleeve is formed in the front end portion of the chuck body, a screw hole is formed in the rear end portion of the chuck body, and a pin hole convenient for guiding and positioning a cylindrical pin is formed in the middle cylindrical surface of the chuck body.
3. The quick-change tapping extension rod of claim 2, wherein: the front end part of the spring jacket is designed to be conical, the middle part of the spring jacket is arranged to be cylindrical, and the rear end part of the spring jacket is designed to be a square hole.
4. The quick-change tapping extension rod of claim 3, wherein: the taper of the front end part of the spring jacket is designed to be 15-50 degrees, four elastic grooves are formed in the circumferential direction of the spring jacket, the length of each elastic groove is consistent with that of a round hole matched with the screw tap, and the four elastic grooves are arranged at four angular positions of the square hole.
5. The quick-change tapping extension rod of claim 1, wherein: the connecting handle body is of a sleeve structure, a stepped through hole matched with the chuck body is formed in the connecting handle body, and an annular stepped flange is arranged outside the connecting handle body.
6. The quick-change tapping extension rod of claim 1, wherein: the compression spring b, the gasket a, the inner hexagon screw, the screw cap, the rubber gasket, the gasket b and the elastic retainer ring a are all arranged in the stepped through hole in the rear end part of the connecting handle body.
7. The use method of the quick-change tapping connecting rod is characterized in that the operation is carried out by the quick-change tapping connecting rod according to any one of claims 1 to 6, and the method specifically comprises the following steps:
s1: connecting an inner hole and a square hole of a spring jacket of the screw tap chuck assembly at the square head of a screw tap handle in a matching manner, and then pressing the spring jacket through a clamping nut so as to clamp the screw tap;
s2: sleeving a quick-change driving piece at the front end part of the connecting handle body, arranging a compression spring a between the quick-change driving piece and the connecting handle body, and connecting a spring pad and an elastic check ring b at the front end of the connecting handle body;
s3: firstly, mounting a cylindrical pin in a pin hole of a chuck body of a screw tap chuck assembly, sleeving the chuck body into a stepped through hole of a connecting handle body, and then mounting a check ring at the front end of the connecting handle body for sealing;
s4: the rear end part of a chuck body of the screw tap chuck assembly is connected with an inner hexagonal screw, a compression spring b and a gasket a are nested on the inner hexagonal screw, a screw cap is installed at the head part of the inner hexagonal screw, and then a rubber gasket, a gasket b and an elastic retainer ring a are sequentially installed at the outer end of the screw cap along a stepped through hole at the rear end part of the connecting handle body;
s5: the connecting handle body is connected with a spindle on a machine tool, the connecting handle body is separated from or combined with the spindle of the machine tool through a compression spring a by utilizing the driving action of a quick-change driving piece, and then the quick-change tapping connecting rod is screwed for 90 degrees, so that the quick-change tapping connecting rod is completely disassembled and assembled on the machine tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110336681.9A CN112975006A (en) | 2021-03-29 | 2021-03-29 | Quick-change tapping connecting rod and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110336681.9A CN112975006A (en) | 2021-03-29 | 2021-03-29 | Quick-change tapping connecting rod and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112975006A true CN112975006A (en) | 2021-06-18 |
Family
ID=76338159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110336681.9A Pending CN112975006A (en) | 2021-03-29 | 2021-03-29 | Quick-change tapping connecting rod and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112975006A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES251061U (en) * | 1980-05-30 | 1980-09-16 | Sadornil Santamaria Angel | Porta-util of roscar with portfilt nozzle, perfected (Machine-translation by Google Translate, not legally binding) |
| CN2322741Y (en) * | 1998-03-07 | 1999-06-09 | 周学蒙 | Quick replacing tap clamp |
| CN201405144Y (en) * | 2009-05-08 | 2010-02-17 | 广西玉柴机器股份有限公司 | Tap connecting rod |
| CN214721230U (en) * | 2021-03-29 | 2021-11-16 | 广西玉柴机器股份有限公司 | Quick-change tapping extension rod |
-
2021
- 2021-03-29 CN CN202110336681.9A patent/CN112975006A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES251061U (en) * | 1980-05-30 | 1980-09-16 | Sadornil Santamaria Angel | Porta-util of roscar with portfilt nozzle, perfected (Machine-translation by Google Translate, not legally binding) |
| CN2322741Y (en) * | 1998-03-07 | 1999-06-09 | 周学蒙 | Quick replacing tap clamp |
| CN201405144Y (en) * | 2009-05-08 | 2010-02-17 | 广西玉柴机器股份有限公司 | Tap connecting rod |
| CN214721230U (en) * | 2021-03-29 | 2021-11-16 | 广西玉柴机器股份有限公司 | Quick-change tapping extension rod |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20200041055A1 (en) | Quick-disassembly nipple connector structure | |
| CN102873494A (en) | Umbrella-type inner support clamp for annular welding of elongated cylindrical workpieces | |
| CN214721230U (en) | Quick-change tapping extension rod | |
| CN104526000A (en) | Turning tool used for automobile sleeve part | |
| CN111644862A (en) | End face positioning clamp for lathe | |
| CN108481057B (en) | Clamp for turning ball-end shaft parts | |
| CN112975006A (en) | Quick-change tapping connecting rod and using method thereof | |
| CN113211115A (en) | Stable collet chuck structure and machine tool applying same | |
| CN205968363U (en) | Thin wall class part fixture | |
| CN210937210U (en) | Universal inner hole clamping fixture | |
| CN211052628U (en) | Special clamp for drilling of swing arm shaft of tractor | |
| CN211439546U (en) | Scalable through plane drive top mechanism | |
| CN216575556U (en) | Positioning fixture for turning | |
| CN211361513U (en) | Clamp for down-the-hole drill finish turning of big end excircle | |
| CN203738363U (en) | Tool for installing double-end stud | |
| CN214922322U (en) | Stable collet chuck structure and machine tool applying same | |
| CN111015514A (en) | Scalable through plane drive top mechanism | |
| CN205414449U (en) | Moment of torsion handle of a knife collet chuck locking device | |
| CN209887528U (en) | Valve core disassembling tool | |
| CN210731664U (en) | Accurate alignment frock of square body hydro-cylinder clamping | |
| CN112139841A (en) | Bevel gear differential shell hole machining device and using method | |
| CN111570866A (en) | Angle head locking device | |
| CN216707109U (en) | Thread deep hole bottom conical surface grinding tool | |
| CN205415065U (en) | Special turning anchor clamps of eccentric wheel | |
| CN218799620U (en) | Clamp convenient for machining gear shaft of steering gear |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |