CN210757557U

CN210757557U - Elastic buffering saw blade adapter

Info

Publication number: CN210757557U
Application number: CN201920903284.3U
Authority: CN
Inventors: 曹洁洁; 章泳健; 吴健; 易风
Original assignee: Changshu Institute of Technology
Current assignee: Changshu Institute of Technology
Priority date: 2019-06-17
Filing date: 2019-06-17
Publication date: 2020-06-16
Anticipated expiration: 2029-06-17

Abstract

The utility model discloses an elastic buffering saw bit adapter, including the dabber, dabber one end fixedly connected with fibre piece, dabber other end threaded connection has the connecting clamp, the lateral surface threaded connection has the lantern ring around the connecting clamp, dabber lateral surface rotates and is connected with solid fixed ring, dabber lateral surface rotates and is connected with the fixer, gu fixed ring lateral surface and fixer threaded connection, a plurality of sealed lids of fibre piece lateral wall fixedly connected with are kept away from to the fixer, a plurality of mounting holes have been seted up to fixer inside, surface sliding is connected with the fixed stick in the mounting hole, fixed stick one end runs through sealed lid and extends to the fixer outside. The utility model discloses a through set up the fixed stick that can quick assembly disassembly in the fixer, can realize the increase and decrease of fixed stick quantity for the fixer can carry out the adaptation to the saw bit of equidimension specification not, thereby utilizes the adapter to improve electric tool's adaptation scope, has improved electric tool's ease for use indirectly.

Description

Elastic buffering saw blade adapter

Technical Field

The utility model discloses a belong to electric tool accessory technical field, more specifically relate to an elastic buffer saw bit adapter.

Background

The electric tool is an electric driving article which is needed in daily life, and the electric saw is a common electric tool for cutting workpieces through a saw blade. When it is desired to cut a workpiece, the operator may cause the saw blade to cut along a cut line previously identified on the workpiece.

Because of the different processing demands, electric tool and saw bit often have multiple size specification, and some electric tool can only match the saw bit of partial model, and this leads to electric tool's application scope less, is unfavorable for the processing in workshop. Moreover, the step of gradually increasing the rotation speed is not performed when the conventional electric tool is started, and the saw blade is easily damaged due to the excessive acceleration generated during the instant start, so that the research and development of an adapter which is convenient for the matching of the saw blade and the electric tool is a technical problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

1. The utility model discloses a patent purpose.

The patent of the utility model provides an elastic buffer saw bit adapter, aim at can carry out the quick matching with the electric tool of different specifications and the saw bit of different specifications.

2. The patent of the utility model discloses an adopted technical scheme.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an elastic buffering saw blade adapter comprises a mandrel, wherein one end of the mandrel is fixedly connected with a fiber block, the other end of the mandrel is in threaded connection with a connecting clamp, the peripheral side of the connecting clamp is in threaded connection with a lantern ring, the peripheral side of the mandrel is rotationally connected with a first fixing ring, the peripheral side of the mandrel is rotationally connected with a fixer, one peripheral side of one side of the fixing ring is in threaded connection with the fixer, the fixer is far away from the side wall of the fiber block and is fixedly connected with a plurality of sealing covers, a plurality of mounting holes are formed in the fixer, fixing rods are slidably connected to the inner surfaces of the mounting holes, and one end of each fixing rod penetrates through each sealing;

the dabber is close to the rotation of connecting clamp one end week side and is connected with the base, solid fixed ring another side week side and base threaded connection, a plurality of dead levers of base internal surface fixedly connected with, a plurality of triangular prisms of base internal surface fixedly connected with, a plurality of buffering shell fragments of base internal surface fixedly connected with, a plurality of transfer lines of the even fixedly connected with in dabber week side, it is a plurality of the transfer line is located between base and the connecting clamp, and is a plurality of the transfer line appearance is L shape structure, and is a plurality of transfer line L shape end all extends to inside the buffering shell fragment.

Further, the internal surface of the fixer is rotationally connected with the peripheral side surface of the mandrel, and the fixer is far away from one side wall of the fixing ring and is rotationally connected with the fiber block.

Further, the straight flute has all been seted up to mounting hole inner wall both sides, the top surface rotates in the straight flute and is connected with the connection spring board, the straight flute inner bottom surface rotates and is connected with the buffering spring board, the connection spring board is equipped with the torsional spring with buffering spring board rotation department cover.

Further, a plurality of solid fixed ring two of fixed rod week side fixedly connected with, it is a plurality of the joint has a plurality of slim axles between the two relative surfaces of solid fixed ring, the equal fixedly connected with buffer spring in fixed rod both sides, buffer spring one end fixedly connected with card stick, card stick internal surface and slim axle week side clearance fit.

Furthermore, the clearance between the clamping rod and the thin shaft ranges from 0.5mm to 1.5mm, one side, away from the fixing rod, of the clamping rod is of a forked structure, the forked structure is composed of a short arm and a long arm, and the long arm is located right above the short arm.

Furthermore, the connecting springs are sleeved on the circumferential side faces of the upper end and the lower end of the fixing rod, one ends of the connecting springs are fixedly connected with the two fixing rings respectively, the bottom ends of the connecting springs located at the two bottoms of the fixing rings are fixedly connected with sealing covers, and the circumferential side faces of the sealing covers are in threaded connection with the inner wall of the mounting hole.

Furthermore, a plurality of the dead levers, a plurality of the triangular prisms, the buffering elastic sheet and the transmission rod form a group, and the appearance of the buffering elastic sheet is of a diamond structure.

3. The patent of the utility model discloses a produced technological effect.

(1) The utility model discloses a through set up the fixed stick that can quick assembly disassembly in the fixer, can realize the increase and decrease of fixed stick quantity for the fixer can carry out the adaptation to the saw bit of equidimension specification not, thereby utilizes the adapter to improve electric tool's adaptation scope, has improved electric tool's ease for use indirectly.

(2) The utility model discloses a through the inside buffering shell fragment that sets up the rhombus of base for when electric tool starts, the buffering shell fragment is through the terminal impact force of deformation buffering neutralization drive pole, and instantaneous acceleration when avoiding electric tool to start directly transmits the saw bit on, can effectual protection saw bit, has improved the durability of saw bit.

(3) The utility model discloses a mutually supporting through the connecting clip and the lantern ring for the adapter can be installed on the electric tool output shaft of different specifications, further is favorable to saw bit and electric tool's matching, and the adaptation scope that has enlarged the adapter indirectly is clear.

Drawings

Fig. 1 is a schematic structural view of an elastic buffering saw blade adapter of the present invention.

Fig. 2 is a schematic structural view of the other side of fig. 1.

Fig. 3 is an exploded view of the coating 2 axis direction.

Fig. 4 is a schematic structural diagram of the base.

Fig. 5 is a partial enlarged view of a portion a in fig. 4.

Fig. 6 is a schematic front view of the structure of fig. 1.

FIG. 7 is a schematic cross-sectional view of coating 6 taken along line B-B.

Fig. 8 is a partial enlarged view at C in fig. 8.

Fig. 9 is a schematic structural view of the fixing bar.

Description of reference numerals: 1-mandrel, 2-limiting block, 3-first fixing ring, 4-base, 5-fixer, 6-sealing cover, 7-fixing rod, 8-transmission rod, 9-fixing rod, 10-triangular prism, 11-buffering elastic sheet, 12-connecting clamp, 13-lantern ring, 14-connecting spring, 15-second fixing ring, 16-thin shaft, 17-buffering spring, 18-clamping rod, 19-straight groove, 20-connecting spring plate and 21-buffering spring plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution: an elastic buffering saw blade adapter comprises a mandrel 1, one end of the mandrel 1 is fixedly connected with a fiber block 2, the other end of the mandrel 1 is in threaded connection with a connecting clamp 12, the peripheral side of the connecting clamp 12 is in threaded connection with a lantern ring 13, the peripheral side of the mandrel 1 is rotatably connected with a first fixing ring 3, the peripheral side of the mandrel 1 is rotatably connected with a fixer 5, the peripheral side of the first fixing ring 3 is in threaded connection with the fixer 5, the fixer 5 is fixedly connected with a plurality of sealing covers 6 far away from the side wall of the fiber block 2, a plurality of mounting holes are formed in the fixer 5, fixing rods 7 are slidably connected to the inner surfaces of the mounting holes, and one ends of the fixing rods 7 penetrate through;

dabber 1 is close to connecting clamp 12 one end week side and rotates and is connected with

base

4, 3 another side week sides of solid fixed ring and 4 threaded connection of base, 4 internal surface fixedly connected with a plurality of dead levers 9 of base, 4 internal surface fixedly connected with a plurality of triangular prisms 10 of base, 4 internal surface fixedly connected with a plurality of buffering shell fragments 11 of base, 1 week side of dabber even fixedly connected with a plurality of transfer lines 8, a plurality of transfer lines 8 are located between base 4 and the connecting

clamp

12, 8 appearances of a plurality of transfer lines are L shape structure, 8L shape ends of a plurality of transfer lines all extend to inside the buffering shell fragment 11.

Wherein, the internal surface of fixer 5 is connected with the side of dabber 1 week side face rotation, and fixer 5 keeps away from solid fixed ring 3 lateral wall and is connected with the fibre piece 2 rotation.

Wherein, straight flute 19 has all been seted up to mounting hole inner wall both sides, and the top surface rotates in the straight flute 19 to be connected with and connects spring plate 20, and the bottom surface rotates in the straight flute 19 to be connected with buffer spring plate 21, and the department cover is equipped with the torsional spring in connecting spring plate 20 and buffer spring plate 21 rotation.

The peripheral side surface of the fixed rod 7 is fixedly connected with a plurality of second fixed rings 15, a plurality of thin shafts 16 are clamped between the opposite surfaces of the second fixed rings 15, two sides of the fixed rod 7 are fixedly connected with buffer springs 17, one end of each buffer spring 17 is fixedly connected with a clamping rod 18, and the inner surface of each clamping rod 18 is in clearance fit with the peripheral side surface of each thin shaft 16; the thin shaft 16 is installed by inserting the thin shaft 16 into the clamping rod 18, then pushing the clamping rod 18 towards the direction close to the fixing rod 7, clamping grooves matched with the thin shaft 16 are formed in the opposite side walls of the two fixing rings 15, the upper end and the lower end of the thin shaft 16 are clamped and fixed with the two clamping grooves respectively, and installation of the thin shaft 16 is completed.

Wherein, the clearance between the clamping rod 18 and the thin shaft 16 is 1mm, one side of the clamping rod 18, which is far away from the fixed rod 7, is of a forked structure, the forked structure is composed of a short arm and a long arm, and the long arm is positioned right above the short arm.

Wherein, both ends week side all overlaps and is equipped with connecting spring 14 about the fixed rod 7, a plurality of connecting spring 14 one end respectively with two 15 fixed connection of solid fixed ring, the connecting spring 14 bottom fixedly connected with of two 15 bottoms of solid fixed

ring seals lid

6, 6 week sides of sealed lid and mounting hole inner wall threaded connection.

Wherein, a plurality of dead levers 9, a plurality of triangular prisms 10 and buffering shell fragment 11 and transfer line 8 are a set of, and buffering shell fragment 11 appearance is rhombus structure.

The installation process of this embodiment is: the fixer 5 is sleeved on the mandrel 1, the fixing rod 7 is inserted into the mounting hole, the two clamping rods 18 slide on the inner wall of the mounting hole, the two buffer springs 17 contract, the fixing rod 7 is pressed downwards, the fixing rod 7 moves downwards at the moment, because the clamping rods 18 and the thin shaft 16 are in clearance fit, the clamping rods 18 are not completely fixed, the clamping rods 18 are in an inclined state that one end far away from the fixing rod 7 is high and one end close to the fixing rod 7 is low under the action of downward acting force and friction force, the clamping rods 18 continuously descend under the state according to the structural characteristics of the clamping rods 18, when the short arm below the clamping rods 18 is jacked on the buffer spring plate 21, the long arm above the clamping rods 18 touches the connection spring plate 20, the connection spring plate 20 is jacked up, one end far away from the fixing rod 7 is lifted upwards, the buffer spring plate 21 is opened downwards under the action of the clamping rods 18, the clamping rods 18 are clamped in the straight grooves 19 to realize positioning, and the fixing rod 7 is locked under the action of the two connecting springs 14, the sealing cover 6 is sleeved on the fixing rod 7, and the sealing cover 6 is fixed with the mounting hole through threads to complete the mounting of the fixing rod 7. The method comprises the steps of sleeving a saw blade into a mandrel 1, butting a mounting hole in the saw blade with a fixing rod 7, sleeving a first fixing ring 3 into the mandrel 1 and fixing the first fixing ring with a fixer 5 in a threaded manner, sleeving a base 4 into the mandrel 1 and fixing the first fixing ring 3 in the threaded manner, fixing a connecting clamp 12 with one end of the mandrel 1 in the threaded manner, sleeving the connecting clamp 12 on an output shaft of the conventional electric tool, and screwing and fixing the connecting clamp by using a lantern ring 13 to finish mounting. It should be noted that the number of the fixing rods 7 is properly increased or decreased according to the number of the mounting holes on the saw blade, if part of the fixing rods 7 needs to be removed in the mounting process, the fixing rods 7 are pressed downwards, the balance state of the two connecting springs 14 is broken at this time, the fixing rods 7 move downwards, the clamping rods 18 are separated from the straight grooves 19, and after the clamping rods 18 are completely separated from the straight grooves 19, the buffer spring plates 21 rebound under the action of the torsion springs and are locked by the connecting spring plates 20. Loosening fixed rod 7 this moment, card stick 18 upwards removes, and card stick 18 can present to keep away from fixed rod 7 one end low under ascending spring force and inner wall frictional force effect this moment, and it is high inclination state to be close to fixed rod 7 one end, and the short arm in below of card stick 18 is unsettled under this state, and only the top long arm of card stick 18 can contact with the mounting hole inner wall, opens sealed lid 6 and takes fixed rod 7 out the mounting hole, accomplishes dismantling of fixed rod 7. Because the electric tool only generates a large centrifugal force when running at a high speed and does not generate large stress in the vertical direction, the mounting firmness of the fixing rod 7 meets the requirement.

The specific application of this embodiment is: it is manual to start current electric tool, and the rotatory connecting clamp 12 that drives of electric tool output shaft, lantern ring 13 and dabber 1 rotate, and buffering shell fragment 11 is stirred through four transfer lines 8 of week side to dabber 1, and four buffering shell fragments 11 one sides are elongated and are produced deformation, and four buffering shell fragments 11 pulling bases 4 are rotatory, and base 4 drives solid fixed ring one 3, saw bit, 5 rotations of fixer in proper order. Dead lever 9 lies in the deformation scope of restriction buffering shell fragment 11 with the effect of triangular prism 10, avoid buffering shell fragment 11 deformation excessively and break away from with base 4, and simultaneously, four dead levers 9 and two triangular prisms 10 are used for fixing a position buffering shell fragment 11, when the adapter is not used, but quick replacement buffering shell fragment 11, be driven rotatory back at base 4, the effort that four buffering shell fragments 11 received reduces, four buffering shell fragments 11 resume to initial prism form, buffering shell fragment 11 mainly makes to produce the transmission buffering between dabber 1 and the base 4 through deformation, output shaft rotational speed damages base 4 at the excessive speed when avoiding electric tool to start, the connection structure of solid fixed ring 3 and fixer 5, effectively protect the saw bit, stability when improving the adapter and starting.

The above embodiments are the preferred embodiments of the present invention, but the embodiments of the present invention are not limited by the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. An elastic buffering saw blade adapter is characterized in that: the fixing device comprises a mandrel (1), one end of the mandrel (1) is fixedly connected with a fiber block (2), the other end of the mandrel (1) is in threaded connection with a connecting clamp (12), the circumferential side of the connecting clamp (12) is in threaded connection with a lantern ring (13), the circumferential side of the mandrel (1) is rotationally connected with a first fixing ring (3), the circumferential side of the mandrel (1) is rotationally connected with a fixer (5), the circumferential side of the first fixing ring (3) is in threaded connection with the fixer (5), the fixer (5) is far away from the side wall of the fiber block (2) and is fixedly connected with a plurality of sealing covers (6), a plurality of mounting holes are formed in the fixer (5), a fixing rod (7) is slidably connected to the inner surface of each mounting hole, and one end of the fixing rod (7) penetrates through each sealing cover (6) and;

dabber (1) is close to connecting clamp (12) one end week side and rotates and is connected with base (4), solid fixed ring (3) another side week side and base (4) threaded connection, a plurality of dead levers (9) of base (4) internal surface fixedly connected with, a plurality of triangular prisms (10) of base (4) internal surface fixedly connected with, a plurality of buffering shell fragments (11) of base (4) internal surface fixedly connected with, a plurality of transfer lines (8) of the even fixedly connected with of dabber (1) week side, a plurality of transfer line (8) are located between base (4) and connecting clamp (12), and are a plurality of transfer line (8) appearance is L shape structure, and is a plurality of transfer line (8) L shape end all extends to inside buffering shell fragment (11).

2. The adapter according to claim 1, wherein said adapter comprises: fixer (5) internal surface rotates with dabber (1) week side and is connected, fixer (5) are kept away from solid fixed ring one (3) lateral wall and are rotated with fibre piece (2) and be connected.

3. The adapter according to claim 1, wherein said adapter comprises: straight flute (19) have all been seted up to mounting hole inner wall both sides, the top surface rotates in straight flute (19) and is connected with connection spring board (20), the bottom surface rotates in straight flute (19) and is connected with buffering spring board (21), connection spring board (20) and buffering spring board (21) rotation department cover are equipped with the torsional spring.

4. The adapter according to claim 1, wherein said adapter comprises: fixed rod (7) week side fixedly connected with a plurality of solid fixed ring two (15), a plurality of the joint has a plurality of slim axle (16) between solid fixed ring two (15) the relative surface, the equal fixedly connected with buffer spring (17) in fixed rod (7) both sides, buffer spring (17) one end fixedly connected with card stick (18), card stick (18) internal surface and slim axle (16) week side clearance fit.

5. The adapter according to claim 4, wherein said adapter further comprises: the clearance between the clamping rod (18) and the thin shaft (16) is in the range of 0.5mm-1.5mm, one side, far away from the fixing rod (7), of the clamping rod (18) is of a forked structure, the forked structure is composed of a short arm and a long arm, and the long arm is located right above the short arm.

6. The adapter according to claim 4, wherein said adapter further comprises: all the side of both ends week is equipped with connecting spring (14), a plurality of about fixed rod (7) connecting spring (14) one end respectively with two (15) fixed connection of solid fixed ring, be located the sealed lid (6) of connecting spring (14) bottom fixedly connected with of solid fixed ring two (15) bottoms, sealed lid (6) week side and mounting hole inner wall threaded connection.

7. The adapter according to claim 1, wherein said adapter comprises: the fixing rods (9), the triangular prisms (10), the buffering elastic sheet (11) and the transmission rod (8) form a group, and the shape of the buffering elastic sheet (11) is of a diamond structure.