CN113492443B - Locking structure for carpentry saw blade - Google Patents
Locking structure for carpentry saw blade Download PDFInfo
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- CN113492443B CN113492443B CN202010251040.9A CN202010251040A CN113492443B CN 113492443 B CN113492443 B CN 113492443B CN 202010251040 A CN202010251040 A CN 202010251040A CN 113492443 B CN113492443 B CN 113492443B
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- shaft
- hole
- saw blade
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B5/00—Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor
- B27B5/29—Details; Component parts; Accessories
- B27B5/30—Details; Component parts; Accessories for mounting or securing saw blades or saw spindles
- B27B5/34—Devices for securing a plurality of circular saw blades on a single saw spindle; Equipment for adjusting the mutual distance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B5/00—Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor
- B27B5/29—Details; Component parts; Accessories
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Sawing (AREA)
Abstract
The invention provides a woodworking saw blade locking structure, which is characterized in that a woodworking saw blade locking module is provided with a plurality of gaskets for transmitting power and two saw blades, the formed module structure is favorable for quick assembly, the working efficiency can be greatly accelerated, the relative position is fixed accurately due to the saw blade configuration module, a hexagonal wrench is driven by one hand to screw tightly during final fastening, and double hands are not used for driving to unscrew or screw a bolt for operation.
Description
Technical Field
The present invention relates to a locking structure for a saw blade of a carpenter, and more particularly, to a locking structure for a saw blade of a multi-spindle saw blade applied to a four-side planing machine.
Background
The four-side planing wood working machine is a wood working machine for planing concave and convex wood surface, and the known four-side planing wood working machine is a multi-spindle saw blade, as shown in fig. 1-2, it includes a spindle a1, one end of which is equipped with a spindle combination section a2, the surface of the spindle combination section a2 is equipped with a key seat, said key seat is equipped with two parallel keys A3, said spindle combination section a2 is equipped with a first shim A4, a first saw blade A5, a second shim A6, a second saw blade A7, a third shim A8, a fourth shim a9 and a fifth shim a10 in turn, and said above-mentioned all elements are respectively equipped with a key groove for providing snap-in positioning corresponding to the parallel keys A3, so that said first saw blade A5 and said second saw blade A7 can be matched with said spindle a1 to synchronously rotate, one end of said spindle combination section a2 is equipped with a screw lock portion and a hexagonal screw nut fixing portion 11 for fixing said first nut a12, a driving tool D comprising a fixing tool C1 and a driving tool B1 respectively for screwing the fixing nut a12 to fix the position of the first pad A4, the first saw blade a5, the second pad A6, the second saw blade a7, the third pad A8, the fourth pad A9 and the fifth pad a10 of the shaft connecting section a2 of the main shaft a1, wherein one end of the fixing tool C1 is provided with a fixing sleeve C2, the fixing sleeve C2 is sleeved on the hexagon head end a13, one end of the driving tool B1 is provided with a driving sleeve B2, the driving sleeve B2 is sleeved on the fixing nut a12, the fixing tool C1 is driven by a fixing wrench C3 to fix and limit rotation of the fixing nut a13 of the main shaft a1, and the hexagon head end B1 is screwed on the fixing nut A3 or the driving tool B12 by a driving wrench B12; however, when the conventional spindle a1 is to replace the saw blade, the fixing nut a12 needs to be unscrewed, then the plurality of washers and saw blades need to be sequentially detached from the shaft coupling section a2 of the spindle a1, then the plurality of washers and saw blades need to be sequentially installed again, and after installation, the driving tool B1 and the fixing tool C1 need to be driven by both hands, so that the fixing nut a12 tightly presses the plurality of washers and saw blades for positioning, and finally the trial-and-error correction is performed, which is very troublesome and inconvenient in the conventional structure and time-consuming.
In view of the above phenomena, the applicant of the present application has further created a wide variety of practical creations based on many years of experience in manufacturing.
Disclosure of Invention
The invention aims to provide a locking structure of a woodworking saw blade, which can overcome the defects of the prior art, is improved aiming at the defects of troublesome and inconvenient structure and time consumption in the prior art, is beneficial to quick assembly and can greatly accelerate the working efficiency.
In order to achieve the above object, the present invention discloses a locking structure for a woodworking saw blade, which is characterized by comprising:
one end of the main shaft axially extends to form a shaft assembly section, one side of the shaft assembly section, which is opposite to the main shaft, is provided with a side blocking surface, and the center of one axial end surface of the shaft assembly section is provided with a screw fixing hole;
a woodworking saw blade locking module, comprising:
a shaft sleeve, wherein a shaft through hole is axially arranged in the shaft sleeve in a penetrating manner, a shaft group section of the main shaft is axially arranged in the shaft through hole, a section of the shaft group section is exposed out of the shaft group section, the tail end of the shaft sleeve is provided with a side end edge, the side end edge is limited and stopped on a side baffle surface of the main shaft, an external thread section is formed on the outer edge of the other end of the shaft sleeve, and at least one side of the outer edge of the shaft sleeve is provided with a parallel key;
a plurality of gaskets, the center of which is respectively provided with a shaft hole, the radial position of at least one side of the shaft hole is provided with a key slot, the shaft hole corresponds to the shaft group and is limited at the side end edge of the shaft sleeve in a blocking way, and the key slot of each gasket is arranged in a mutual embedding way corresponding to the parallel key of the shaft sleeve;
at least two saw blades, the center of which is respectively provided with a fixing hole, the radial position of at least one side of each fixing hole is provided with a key configuration groove, each fixing hole corresponds to the shaft sleeve, each saw blade is staggered, clamped and forced to abut against the alternate position of each gasket, and the key configuration grooves of each saw blade correspond to the parallel keys of the shaft sleeve and are mutually embedded and configured;
the axial fixing nut comprises an inner screw hole which is an outer screw section assembled on the shaft sleeve by a guide screw and is used for forcing the plurality of gaskets and each saw blade to be positioned on the shaft sleeve;
one end of the sleeving part is provided with a sleeving opening, the sleeving opening is sleeved on the exposed section of the shaft assembly section of the main shaft, the periphery of the sleeving opening is stopped at the end face limit of the axial fixing nut, and the center of the sleeving part is provided with a combination hole;
a fastening screw member having a head end and a screw assembly portion, one end of the screw assembly portion forming a screw assembly end, the screw set end penetrates through the combination hole of the sleeved part and the screw fixing hole of the main shaft and is locked in the screw fixing hole, a groove is radially cut at the head end of the fastening screw piece and the screw set part, and a guide inclined end is formed at the circumferential position of the head end and the screw set part opposite to each other, the combined hole of the nesting component is provided with a guide inclined plane corresponding to the guide inclined end, the head end is provided with a guide screw hole corresponding to the side part of the cutting groove in the radial direction, the screw guiding hole is provided with a fastening screw bolt for assembling the screw guiding hole, one end of the fastening screw bolt is provided with a driving end, the groove at the head end corresponds to the other side wall surface of the screw guiding hole to define a pressing and abutting surface so that the fastening screw bolt drives the screw lock to advance and abut against the pressing and abutting surface, and the two sides of the cutting groove are in an opening state, and the periphery of the inclined guiding end of the fastening screw member is tightly pressed on the inclined guiding surface of the sleeving member.
The plurality of gaskets comprise a first gasket, a second gasket, a third gasket, a fourth gasket and a fifth gasket which are sequentially axially assembled on the shaft sleeve, and the at least two saw blades respectively comprise a first saw blade and a second saw blade; wherein the first gasket is provided with a first shaft hole in the center, and a first key slot is arranged at the radial position of at least one side of the first shaft hole; the second gasket is provided with a second shaft hole in the center, and a second key groove is arranged at the radial position of at least one side of the second shaft hole; the third gasket is provided with a third shaft hole in the center, and a third key groove is arranged at the radial position of at least one side of the third shaft hole; the center of the fourth gasket is provided with a fourth shaft hole in a penetrating way, and the radial position of at least one side of the fourth shaft hole is provided with a fourth key groove; a fifth shaft hole is formed in the center of the fifth gasket in a penetrating manner, and a fifth key groove is formed in the radial position of at least one side of the fifth shaft hole; the first saw blade is provided with a first fixing hole in the center, and a first key configuration groove is arranged at the radial position of at least one side of the first fixing hole; a second fixing hole is arranged in the center of the second saw blade in a penetrating manner, and a second key configuration groove is arranged at the radial position of at least one side of the second fixing hole; wherein the first and second spacers have a relatively thin thickness, and the third and fourth spacers have a relatively thick thickness; wherein the first saw blade clamp is arranged at the alternate positions of the first gasket and the second gasket in a tightly-closed manner, and the second saw blade clamp is arranged at the alternate positions of the second gasket and the third gasket in a tightly-closed manner.
The key seat is concavely arranged at the relative position of the shaft sleeve and the parallel key, a plurality of locking holes are arranged at the preset position of the key seat, a through hole is arranged at the parallel key corresponding to each locking hole, and a bolt is correspondingly screwed through the locking holes and the through holes for locking and combining.
The parallel keys are two groups and are respectively arranged at the radial positions of two sides of the shaft sleeve, the gaskets are also provided with two key slots corresponding to the two groups of parallel keys of the shaft sleeve, and the at least two saw blades are also provided with two key configuration slots corresponding to the two groups of parallel keys of the shaft sleeve.
Therefore, the woodworking saw blade locking module is provided with a plurality of gaskets for transmitting power and two saw blades, the formed module structure is favorable for quick assembly, the working efficiency can be greatly increased, the relative position is fixed accurately due to the saw blade configuration module, a hexagonal wrench is driven by one hand to screw tightly during final fastening, and double hands are not required to drive to unscrew or screw bolts for operation, and the woodworking saw blade locking module can achieve the practical progress of accurate multi-shaft alignment, stable saw blade structure and increased operation speed after being applied to the assembly of multi-main-shaft saw blades of four-side planing wood machinery, so as to improve the whole working efficiency.
Drawings
FIG. 1: showing an assembled perspective view of a conventional saw blade locking structure.
FIG. 2 is a schematic diagram: a partial assembled cross-sectional view of a conventional saw blade locking structure is shown.
FIG. 3: the combined perspective view of the locking structure of the woodworking saw blade is shown.
FIG. 4 is a schematic view of: showing an exploded perspective view of the woodworking saw blade locking module of the invention.
FIG. 5: the three-dimensional combination drawing of the woodworking saw blade locking module is shown.
FIG. 6: a perspective view of the fastening screw of the present invention is shown.
FIG. 7: a cross-sectional view of the fastener screw of the present invention is shown.
FIG. 8: the three-dimensional exploded view of the main shaft and the woodworking saw blade locking module is shown.
FIG. 9: the combined section view of the main shaft and the woodworking saw blade locking module is shown.
FIG. 10: an enlarged partial cross-sectional combination of the present invention is shown.
Detailed Description
Please refer to fig. 3-10, which are schematic views illustrating a locking structure for a saw blade of a four-side planing machine according to a preferred embodiment of the present invention, and the locking structure is mainly applied to a locking structure for a spindle and a saw blade of a four-side planing machine, but the embodiments are only for illustration and are not limited by the structure in the application; the method comprises the following steps:
one end of a main shaft 1 extends axially to form a shaft group section 3, one side of the shaft group section 3 opposite to the main shaft 1 is formed with a side blocking surface 2, and the center of one axial end surface of the shaft group section 3 is provided with a screw hole 4.
A woodworking saw blade locking module A comprises:
a shaft sleeve 10, wherein a shaft through hole 12 is axially arranged in the shaft sleeve 10, the shaft assembly section 3 of the main shaft 1 is axially arranged in the shaft through hole 12, and the shaft assembly section 3 is exposed out of a section, a side end edge 11 is arranged at the tail end of the shaft sleeve 10, the side end edge 11 is just limited and stopped on the side baffle surface 2 of the main shaft 1, an external thread section 13 is formed at the outer edge of the other end of the shaft sleeve 10, a parallel key 20 is arranged at two sides of the outer edge of the shaft sleeve 10, a key seat 14 is concavely arranged at the relative position of the shaft sleeve 10 and the parallel key 20, a plurality of locking holes 15 are arranged at the predetermined position of the key seat 14, the parallel key 20 is provided with a through hole 21 corresponding to each locking hole 15, so that a bolt 22 is correspondingly screwed, locked and combined with the locking holes 15 and the through holes 21; wherein the parallel keys 20 are two groups in the embodiment and are respectively disposed at two radial positions of the shaft sleeve 10.
A plurality of gaskets, the center of which is respectively provided with a shaft hole, the radial positions of the two sides of the shaft hole are respectively provided with a key slot, the shaft hole is just corresponding to the shaft set on the shaft sleeve 10 and is limited on the side edge 11 of the shaft sleeve 10 in a blocking way, and the key slots of each gasket are just corresponding to the parallel keys 20 of the shaft sleeve 10 to be mutually embedded and configured;
the plurality of spacers includes a first spacer 30, a second spacer 30', a third spacer 50, a fourth spacer 50', and a fifth spacer 60 sequentially axially assembled to the shaft sleeve 10.
Wherein the first gasket 30 has a first shaft hole 31 penetrating through the center thereof, and first key slots 32 are respectively disposed at radial positions of two sides of the first shaft hole 31; the second gasket 30 'is provided with a second shaft hole 31' in the center, and the radial positions of two sides of the second shaft hole 31 'are respectively provided with a second key groove 32'; the third gasket 50 is provided with a third shaft hole 51 in the center, and radial positions on two sides of the third shaft hole 51 are respectively provided with a third key groove 52; the fourth gasket 50 'is provided with a fourth axial hole 51' at the center, and a fourth key groove 52 'is respectively arranged at the radial positions of two sides of the fourth axial hole 51'; a fifth shaft hole 61 is formed in the center of the fifth gasket 60 in a penetrating manner, and fifth key grooves 62 are formed in radial positions on two sides of the fifth shaft hole 61; wherein the first pad 30 and the second pad 30 'have a thinner thickness, and the third pad 50 and the fourth pad 50' have a thicker thickness.
Two saw blades, the center of which is respectively provided with a fixed hole, the radial positions of the two sides of each fixed hole are respectively provided with a key configuration groove, the fixed holes are just corresponding to the shaft group on the shaft sleeve 10, each saw blade is staggered, clamped and forced to be pressed against the alternate positions of each gasket, and the key configuration grooves of each saw blade are just corresponding to the parallel keys 20 of the shaft sleeve 10 to be mutually embedded and configured; the two saw blades respectively comprise a first saw blade 40 and a second saw blade 40', wherein the first saw blade 40 is centrally provided with a first fixing hole 41 in a penetrating manner, and radial positions of two sides of the first fixing hole 41 are respectively provided with a first key configuration groove 42; in addition, a second fixing hole 41' is formed through the center of the second saw blade 40', a second key arrangement groove 42' is formed at radial positions on two sides of the second fixing hole 41', wherein the first saw blade 40 is clamped and tightly fixed at alternate positions of the first gasket 30 and the second gasket 30', and the second saw blade 40' is clamped and tightly fixed at alternate positions of the second gasket 30' and the third gasket 50.
An axial fixing nut 70 having an inner threaded hole 71, wherein the inner threaded hole 71 is threadedly assembled to the outer threaded section 13 of the shaft sleeve 10 and is configured to urge the plurality of washers and the saw blades to be positioned in the shaft sleeve 10.
A sleeve opening 83 is formed at one end of the sleeve member 80, the sleeve opening 83 is for covering the exposed section of the shaft assembly section 3 of the spindle 1, the periphery of the sleeve opening 83 is stopped at the end face of the axial fixing nut 70 for limiting, and a combination hole 81 is formed at the center of the sleeve member 80.
A fastening screw member 90 having a head end 91 and a screw group portion 96, one end of the screw group portion 96 being formed with a screw group end 97, the screw group end 97 being screwed into the combination hole 81 of the sleeving member 80 and the screw hole 4 of the main shaft 1, wherein the head end 91 and the screw group portion 96 of the fastening screw member 90 are radially sectioned with a sectional groove 93, and a lead inclined end 95 is formed at a circumferential position of the head end 91 opposite to the screw group portion 96, the combination hole 81 of the sleeving member 80 is formed with a lead inclined surface 82 corresponding to the lead inclined end 95, a lead screw hole 94 is radially formed at a side portion of the head end 91 opposite to the sectional groove 93, the lead screw hole 94 is provided for a fastening screw group, one end of the fastening screw 98 is provided with a driving end 99, the driving end 99 is in a hexagonal screw shape and can be driven by a hexagonal wrench, and a wall 92 of the sectional groove 93 of the head end 91 corresponding to the lead screw hole 94 is defined as a pressing surface, the fastening screw bolt 98 is driven to rotate to advance and abut against the abutting surface 92, and the two sides of the groove 93 are opened, so that the periphery of the inclined guiding end 95 of the fastening screw 90 abuts against the inclined guiding surface 82 of the sleeve 80.
Therefore, when a user wants to assemble the woodworking saw blade locking module a to the shaft assembly section 3 of the spindle 1, the gaskets and the two saw blades are respectively and axially arranged on the shaft sleeve 10 in advance, the axial fixing nut 70 fixes the gaskets and the two saw blades to position the gaskets, the shaft through hole 12 of the shaft sleeve 10 is axially arranged on the shaft assembly section 3 of the spindle 1, the shaft assembly section 3 is exposed out of a section, the sleeve member 80 is sleeved on the front end of the shaft assembly section 3 of the spindle 1, the screw group end 97 of the fastening screw member 90 is screwed and fixed in position corresponding to the combined hole 81 and the screw fixing hole 4 of the shaft assembly section 3, the hexagonal wrench is operated by one hand after positioning, the fastening screw bolt 98 is driven by one hand to advance and abut against the pressing abutting surface 92, two sides of the groove 93 are opened, and the inclined guiding end 95 of the fastening screw member 90 abuts against the inclined guiding sleeve member 82, to achieve a double fastening state.
Therefore, the woodworking saw blade locking module A is provided with a plurality of gaskets for transmitting power and two saw blades, the formed module structure is favorable for quick assembly, the working efficiency can be greatly improved, the relative position is fixed accurately due to the saw blade configuration modularization, only one hand is needed to drive the hexagonal wrench to screw tightly when finally fastening, and the operation of loosening or screwing each bolt 22 is not needed to be driven by two hands.
Claims (4)
1. A locking structure for carpentry saw blade is characterized in that it includes:
one end of the main shaft axially extends to form a shaft group section, one side of the shaft group section, which is opposite to the main shaft, is provided with a side blocking surface, and the center of one axial end surface of the shaft group section is provided with a screw fixing hole;
a locking module for carpentry saw blade comprises:
a shaft sleeve, wherein a shaft through hole is axially arranged in the shaft sleeve in a penetrating manner, a shaft group section of the main shaft is axially arranged in the shaft through hole, a section of the shaft group section is exposed out of the shaft group section, the tail end of the shaft sleeve is provided with a side end edge, the side end edge is limited and stopped on a side baffle surface of the main shaft, an external thread section is formed on the outer edge of the other end of the shaft sleeve, and at least one side of the outer edge of the shaft sleeve is provided with a parallel key;
a plurality of gaskets, the center of which is respectively provided with a shaft hole, the radial position of at least one side of the shaft hole is provided with a key slot, the shaft hole corresponds to the shaft group and is limited at the side end edge of the shaft sleeve in a blocking way, and the key slot of each gasket is arranged in a mutual embedding way corresponding to the parallel key of the shaft sleeve;
the center of each saw blade is respectively provided with a fixing hole, the radial position of at least one side of each fixing hole is provided with a key configuration groove, each fixing hole corresponds to the shaft group in the shaft sleeve, each saw blade is staggered, clamped and forced to abut against the alternate position of each gasket, and the key configuration grooves of each saw blade correspond to the parallel keys of the shaft sleeve and are mutually embedded and configured;
the axial fixing nut comprises an inner screw hole which is an outer screw section assembled on the shaft sleeve by a guide screw and is used for forcing the plurality of gaskets and each saw blade to be positioned on the shaft sleeve;
one end of the sleeving part is provided with a sleeving opening, the sleeving opening is sleeved on the exposed section of the shaft assembly section of the main shaft, the periphery of the sleeving opening is stopped at the end face limit of the axial fixing nut, and the center of the sleeving part is provided with a combination hole;
a fastening screw member having a head end and a screw assembly portion, one end of the screw assembly portion forming a screw assembly end, the screw set end penetrates through the combined hole of the sleeving part and the screw set hole of the main shaft in a screw locking manner, a cutting groove is radially cut at the head end of the fastening screw piece and the screw set part, and a guide inclined end is formed at the circumferential position of the head end relative to the screw set part, the combined hole of the nesting component is provided with a guide inclined plane corresponding to the guide inclined end, the head end is provided with a guide screw hole corresponding to the side part of the cutting groove in the radial direction, the screw guiding hole is provided with a fastening screw bolt for the screw guiding assembly, one end of the fastening screw bolt is provided with a driving end, the groove of the head end corresponds to the other side wall surface of the screw guiding hole to define a pressing and abutting surface so that the fastening screw bolt drives the screw lock to advance and abut against the pressing and abutting surface, and the two sides of the cutting groove are in an opening state, and the periphery of the inclined guiding end of the fastening screw is tightly pressed on the inclined guiding surface of the sleeving part.
2. The locking structure of carpentry saw blade as claimed in claim 1, wherein the plurality of washers includes a first washer, a second washer, a third washer, a fourth washer and a fifth washer, which are sequentially axially assembled to the axial sleeve, and the at least two saw blades include a first saw blade and a second saw blade, respectively; wherein the first gasket is provided with a first shaft hole in the center, and at least one side of the first shaft hole is provided with a first key groove in the radial direction; the second gasket is provided with a second shaft hole in the center, and a second key groove is arranged at the radial position of at least one side of the second shaft hole; the third gasket is provided with a third shaft hole in the center, and a third key groove is arranged at the radial position of at least one side of the third shaft hole; the center of the fourth gasket is provided with a fourth shaft hole in a penetrating way, and at least one side of the fourth shaft hole is provided with a fourth key groove in the radial direction; a fifth shaft hole is formed in the center of the fifth gasket in a penetrating manner, and a fifth key groove is formed in the radial position of at least one side of the fifth shaft hole; the first saw blade is provided with a first fixing hole in the center, and a first key configuration groove is arranged at the radial position of at least one side of the first fixing hole; a second fixing hole is arranged in the center of the second saw blade in a penetrating manner, and a second key configuration groove is arranged at the radial position of at least one side of the second fixing hole; wherein the first and second spacers have a relatively thin thickness, and the third and fourth spacers have a relatively thick thickness; the first saw blade is clamped and tightly pressed at the alternate positions of the first gasket and the second gasket, and the second saw blade is clamped and tightly pressed at the alternate positions of the second gasket and the third gasket.
3. The locking structure of carpentry saw blade according to claim 1, wherein a key seat is recessed at a position corresponding to the parallel key, a plurality of locking holes are formed at predetermined positions of the key seat, a through hole is formed in the parallel key corresponding to each locking hole, and a bolt is screwed into the through hole corresponding to the locking hole.
4. The locking structure of carpentry saw blade as claimed in claim 1, wherein the parallel keys are divided into two groups and respectively disposed at radial positions of two sides of the shaft sleeve, the plurality of spacers are also provided with two key slots corresponding to the two groups of parallel keys of the shaft sleeve, and the at least two saw blades are also provided with two key disposition slots corresponding to the two groups of parallel keys of the shaft sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010251040.9A CN113492443B (en) | 2020-04-01 | 2020-04-01 | Locking structure for carpentry saw blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010251040.9A CN113492443B (en) | 2020-04-01 | 2020-04-01 | Locking structure for carpentry saw blade |
Publications (2)
| Publication Number | Publication Date |
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| CN113492443A CN113492443A (en) | 2021-10-12 |
| CN113492443B true CN113492443B (en) | 2022-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010251040.9A Active CN113492443B (en) | 2020-04-01 | 2020-04-01 | Locking structure for carpentry saw blade |
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| CN (1) | CN113492443B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117681058B (en) * | 2024-02-04 | 2024-04-05 | 福建百麒达自动化科技有限公司 | Multifunctional five-axis machining center |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4976577A (en) * | 1990-06-25 | 1990-12-11 | The Babcock & Wilcox Company | Locking bolt assembly |
| JP2687844B2 (en) * | 1993-06-02 | 1997-12-08 | ヤマハ株式会社 | Upper cymbal stopper for hi-hat stand |
| SE514104C2 (en) * | 1999-05-10 | 2001-01-08 | Soederhamns Verkstaeder Ab | Sawing device and saw blade unit for this |
| JP2007032721A (en) * | 2005-07-27 | 2007-02-08 | Kayaba Ind Co Ltd | Nut fixing method |
| CN201172238Y (en) * | 2007-07-27 | 2008-12-31 | 江苏江佳机械有限公司 | Quick-assembled saw blade shaft |
| CN202326631U (en) * | 2011-07-28 | 2012-07-11 | 张意立 | Self-locking nut for matching single bolt through oblique notching |
| KR20160104443A (en) * | 2015-02-26 | 2016-09-05 | 이석규 | The bolt preventing to loosen for furniture |
| CN106759945B (en) * | 2016-12-30 | 2018-11-06 | 湖南科技大学 | A kind of FRP structures are inside and outside to become ripple wedge shape Hybrid connections assembly |
| CN208179737U (en) * | 2018-03-14 | 2018-12-04 | 林朝强 | A kind of multiple blade saw |
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2020
- 2020-04-01 CN CN202010251040.9A patent/CN113492443B/en active Active
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