CN212554274U

CN212554274U - Screw rod seat with handle locking

Info

Publication number: CN212554274U
Application number: CN202020438490.4U
Authority: CN
Inventors: 盛晶; 黄永平
Original assignee: Jinhua Yahu Tools Co Ltd
Current assignee: Jinhua Yahu Tools Co Ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2021-02-19
Anticipated expiration: 2030-03-30

Abstract

The utility model relates to a screw rod seat with handle locking, including the screw rod seat main part, the lower part of screw rod seat main part has the clamp groove that matches with the width and the cross sectional shape of oblique fracture saw support mesa, the one end of clamp groove sets up static clamp splice, the other end rotation of clamp groove articulates a movable clamp splice, the one end of screw rod seat main part that is close to movable clamp splice is the operation end, this operation end is provided with the adjustment mechanism who is used for adjusting the centre gripping interval between two clamp splices, a serial communication port, adjustment mechanism includes the eccentric turning handle spare that articulates in the screw rod seat main part, with the driving medium that eccentric turning handle spare is articulated, the driving medium extends towards movable clamp splice and articulates with it; and a locking mechanism for limiting the eccentric rotation handle piece to rotate is arranged between the eccentric rotation handle piece and the lead screw seat main body. The utility model adds a handle locking mechanism for the eccentric rotating handle piece; double insurance, avoid the maloperation.

Description

Screw rod seat with handle locking

Technical Field

The utility model belongs to the support field, concretely relates to screw rod seat of taking handle locking is applied to oblique fracture saw support, can support and fix oblique fracture saw.

Background

The screw rod seat is usually matched with the oblique-cutting saw support for use, and the screw rod seat can fix the screw rod seat on the table top of the oblique-cutting saw support by utilizing the clamping groove on one hand, and can be fixed with the base of the oblique-cutting saw on the other hand, so that the oblique-cutting saw is integrally and stably fixed on the oblique-cutting saw support finally. The clamping and fixing of the screw rod seat and the oblique saw support are completed by the rotating operation of the handle, the end part of the handle is provided with an eccentric part, and the eccentric part is abutted against the clamping block through rotation and pushes the clamping block to clamp the table top of the oblique saw support. In the process of woodworking operation, if the handle is accidentally turned over by external acting force, the screw rod seat is very easy to loosen and fall off, even the oblique saw slips, and potential safety hazards exist.

Disclosure of Invention

The utility model mainly aims at the stability problem of the connection between the screw rod seat and the support table-board, the invention provides the screw rod seat with the handle lock, and the handle lock mechanism is added for the eccentric rotating handle piece; when the screw rod is unlocked, the eccentric rotating handle piece cannot be rotated under the action of external force, the clamping state of the screw rod seat and the table surface of the bracket is very stable, double insurance is realized, and misoperation is avoided; the handle locking mechanism enables the hook body of the locking piece to be matched and clamped with the clamping part of the handle under the elastic action of the pressure spring, and the hook body of the locking piece can be separated from the clamping part of the handle only by pressing the push plate on the outer side during unlocking, so that the handle locking mechanism is simple and rapid.

The above technical problem of the present invention can be solved by the following technical solutions: a screw rod seat locked by a handle comprises a screw rod seat main body, wherein the lower part of the screw rod seat main body is provided with a clamping groove matched with the width and the cross section shape of a table top of a miter saw support, one end of the clamping groove is provided with a static clamping block, the other end of the clamping groove is rotatably hinged with a movable clamping block, one end, close to the movable clamping block, of the screw rod seat main body is an operating end, and the operating end is provided with an adjusting mechanism used for adjusting the clamping distance between the two clamping blocks;

and a locking mechanism for limiting the eccentric rotation handle piece to rotate is arranged between the eccentric rotation handle piece and the lead screw seat main body.

Preferably, the locking mechanism comprises a support member connected to the screw base body and located below the rotary handle member, a compression spring and a locking member connected to the support member by a collar, and a push switch member connected to or abutted against the locking member; the end of the locking piece extends towards the rotating handle, the end is a hook, and the inner side of the lower end of the eccentric rotating handle piece is provided with a clamping part which is matched and clamped with the hook.

Preferably, the section of the lead screw seat main body is U-shaped, and the lead screw seat main body comprises a top plate positioned on the top surface and side plates positioned on two sides and extending downwards relatively vertically.

Preferably, the clamping groove is arranged in the middle of a side plate of the screw rod seat main body, the opening of the clamping groove faces downwards, and two ends of the clamping groove are arc-shaped; the movable clamping block is an arc-shaped plate and is positioned between the two side plates, and the upper end of the movable clamping block is hinged to the two side plates through a shaft.

Preferably, the static clamping block is an arc-shaped plate and is fixed between the two side plates; the upper end of the static clamping block is hinged to the two side plates through a shaft, and a limiting mechanism is arranged on one side of the static clamping block, which is back to the clamping groove; the limiting mechanism comprises a fixing plate fixed between two side plates, a threaded hole is formed in the middle of the fixing plate, a fastening screw rod is connected in the threaded hole, and the other end of the fastening screw rod is connected to the static clamping block. The static clamping blocks and the dynamic clamping blocks are usually arc-shaped plates, the shapes of the static clamping blocks and the dynamic clamping blocks can be changed according to different profile shapes of the side surfaces of the support table board, and the two clamping blocks can be tightly attached to the two side surfaces of the support table board.

Preferably, the top plate of the screw rod seat main body is provided with a fastening sliding groove, and a fastening piece for fixing the oblique fracture saw is arranged in the fastening sliding groove; a second layer of plate is arranged below the top plate, a second fastening sliding groove is formed in the second layer of plate, and the second fastening sliding groove is vertically aligned with the fastening sliding groove above the second fastening sliding groove; the fastener comprises a nut sliding part and a screw rod part, the nut sliding part is located between the top plate and the second layer plate, and the screw rod part vertically penetrates through the fastening sliding groove, the nut sliding part and the second fastening sliding groove.

Preferably, the locking mechanism is arranged at the operating end of the lead screw seat main body and is positioned between the two side plates; the support piece is horizontal, one end of the support piece is fixed on one side plate, the other end of the support piece horizontally penetrates through the other side plate, the end part of the support piece is exposed, the end part of the support piece is sleeved with a push switch, the push switch is in a shaft sleeve shape, a push plate is arranged at the exposed end part of the push switch, the push plate is positioned at the outer side of the side plate, the inner end of the push switch extends to the middle part of the support piece, the middle part of the support piece is connected with a locking piece, one end of the locking; the pressure spring is positioned between the side plate and the locking piece.

Preferably, the eccentric rotation handle member includes a plate member curved in an arc shape, and an inner lower portion of the plate member has an engaging portion protruding relatively vertically and having a recessed portion, so that the hook of the locking member can be fitted into the recessed portion.

Preferably, the eccentric rotation handle member comprises a plate member bent in an arc shape, wherein the upper part of the plate member is provided with a bearing plate protruding relatively, a shaft hole is formed in the position of the bearing plate deviating from the center of the plate member and is hinged to a shaft, and the eccentric rotation handle member is hinged to the operation end of the lead screw seat main body and between the two side plates through the shaft; one end of the transmission piece is provided with a round bearing plate, the part of the bearing plate deviating from the center is provided with a shaft hole and is hinged with the shaft, the other end of the transmission piece is positioned on a spherical surface body, and the spherical surface body is hinged with the movable clamping block.

To sum up, compared with the prior art, the utility model has the following advantages:

the utility model relates to a screw rod seat with a handle lock, which adds a handle lock mechanism for an eccentric rotating handle piece; when the screw rod is unlocked, the eccentric rotating handle piece cannot be rotated under the action of external force, the clamping state of the screw rod seat and the table surface of the bracket is very stable, double insurance is realized, and misoperation is avoided; the handle locking mechanism enables the hook body of the locking piece to be matched and clamped with the clamping part of the handle under the elastic action of the pressure spring, and the hook body of the locking piece can be separated from the clamping part of the handle only by pressing the push plate on the outer side during unlocking, so that the handle locking mechanism is simple and rapid.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic view of the eccentric rotating handle member of the present invention in an open position;

fig. 4 is a schematic view of the eccentric rotating handle member of the present invention in a locked state.

The reference numbers in the figures are: 1. a screw base body; 10. fastening the chute; 11. a fastener; 12. a second layer of plate members; 13. a nut slider; 2. a clamping groove; 3. a static clamping block; 4. a movable clamping block; 5. an eccentric rotating handle member; 51. a fastening part; 6. a transmission member; 7. a locking mechanism; 71. a support member; 72. a pressure spring; 73. a locking member; 74. a push switch member; 8. a limiting mechanism.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Example 1:

as shown in figures 1, 2, 3 and 4, a screw rod seat with a handle for locking is characterized in that a screw rod seat main body 1 is a rectangular plate frame, the cross section of the screw rod seat is U-shaped, and the screw rod seat comprises a top plate located on the top surface and side plates located on two sides and vertically extending downwards relative to the side edges of the top plate.

The top plate of the screw rod seat main body 1 is provided with two hollowed-out fastening chutes 10, the axial directions of the two fastening chutes 10 are consistent with the axial direction of the screw rod seat main body 1, and a space is arranged between the two fastening chutes 10; a layer of horizontal second-layer plate 12 is fixed below the top plate and between the two side plates, a hollow second fastening sliding groove is formed in the second-layer plate 12, and the second fastening sliding groove is vertically aligned with the fastening sliding groove 10 above the second-layer plate; the fastening piece 11 is connected in the fastening chute 10 and the second fastening chute at the same time, the fastening piece 11 is composed of a nut sliding piece 13 and a screw rod piece, the nut sliding piece 13 is arranged between the top plate and the second layer plate 12, and the screw rod piece vertically penetrates through the fastening chute 10 and is in threaded connection with the nut sliding piece 13 and the second fastening chute; each fastening runner 10 is connected with a fastening piece 11, and the fastening pieces 11 are used for fixing the miter saw.

The middle parts of two side plates of the screw rod seat main body 1 are provided with long waist-shaped clamping grooves 2, the openings of the clamping grooves 2 face downwards, and two ends of each clamping groove 2 are arc-shaped; one end of the clamping groove 2 is fixed with a static clamping block 3, and the other end of the clamping groove 2 is hinged with a movable clamping block 4.

The static clamping block 3 is an arc-shaped plate, the upper end of the static clamping block 3 is hinged to the two side plates through a shaft, the static clamping block 3 is positioned between the two side plates and is static relative to the two side plates, and a limiting mechanism 8 is arranged on one side of the static clamping block 3, which is back to the clamping groove 2; specifically, the limiting mechanism 8 is provided with a fixing plate which is vertically fixed between the two side plates, the middle part of the fixing plate is provided with a threaded hole which is horizontally communicated, a fastening screw rod is connected in the threaded hole, and the other end of the fastening screw rod is fixedly connected to the static clamping block 3.

The movable clamping block 4 is an arc-shaped plate, the movable clamping block 4 is positioned between the two side plates, and the upper end of the movable clamping block 4 is hinged to the two side plates through a shaft.

One end of the screw rod seat main body 1 close to the movable clamping block 4 is an operating end, and the operating end is provided with an adjusting mechanism for adjusting the clamping distance between the two clamping blocks; specifically, the adjusting mechanism mainly comprises an eccentric rotating handle piece 5 and a transmission piece 6, wherein the main body of the eccentric rotating handle piece 5 is a plate which is bent in an arc shape, the upper part of the plate is provided with a relatively convex bearing plate, the position of the bearing plate, which deviates from the center, is provided with a shaft hole and is hinged to a shaft, and the eccentric rotating handle piece 5 is hinged to the operation end of the screw rod seat main body 1 and between two side plates through the shaft; the transmission piece 6 is a long rod piece with one wide end and one narrow end, the wide end is close to the eccentric rotating handle piece 5, the end is provided with a round bearing plate, the part of the bearing plate, which is deviated from the center, is provided with a shaft hole and is hinged with the shaft, the other end of the transmission piece 6 is a spherical surface body, meanwhile, the movable clamping block 4 is provided with a sunken spherical groove, and the spherical surface body is embedded into the spherical groove to form movable hinge joint.

The eccentric rotation handle 5 has a vertically protruding engaging portion 51 at the lower part of the inner side of the arc plate, and a recessed portion is provided at the surface of the engaging portion 51 opposite to the hook, so that the hook of the locking member 73 can be fitted into the recessed portion, and the two form a snap lock.

When the screw seat is in a locking state, the eccentric rotating handle piece 5 is close to the operation end of the screw seat main body 1, and at the moment, a hook body at the end part of the locking piece 73 is embedded in the clamping part 51 at the lower part of the inner side of the eccentric rotating handle piece 5; during the unblock, the push pedal in the outside is pressed to horizontal external force, makes the whole inward translation of lapse switch 74, drives locking piece 73 and carries out the translation, makes the hook-shaped body of locking piece 73 tip break away from the block portion 51 of eccentric twist grip spare 5, at this moment, can rotate eccentric twist grip spare 5, makes activity clamp splice 4 rotatory along with it, changes the centre gripping distance.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A screw rod seat with a handle for locking comprises a screw rod seat main body (1), wherein the lower part of the screw rod seat main body is provided with a clamping groove (2) matched with the width and the cross-sectional shape of a table top of a miter saw support, one end of the clamping groove is provided with a static clamping block (3), the other end of the clamping groove is rotationally hinged with a movable clamping block (4), one end of the screw rod seat main body, which is close to the movable clamping block, is an operating end, and the operating end is provided with an adjusting mechanism for adjusting the clamping distance between the two clamping blocks, and the screw rod seat is characterized in that the adjusting mechanism comprises an eccentric rotating handle piece (5) hinged to the screw rod seat main body and a transmission piece (6) hinged with the handle of the eccentric rotating piece, and the transmission piece extends towards the;

and a locking mechanism (7) for limiting the eccentric rotation handle piece to rotate is arranged between the eccentric rotation handle piece and the lead screw seat main body.

2. The screw boss with handle lock according to claim 1, wherein the locking mechanism comprises a support member (71) connected to the screw boss main body near below the rotary handle member, a pressure spring (72) and a locking member (73) connected to the support member by a ring housing, a push switch member (74) connected to or interfering with the locking member; the end of the locking piece extends towards the rotary handle, the end is provided with a hook-shaped body, and the inner side of the lower end of the eccentric rotary handle piece is provided with an engaging part (51) which is matched and engaged with the hook-shaped body.

3. The handle-locked screw boss according to claim 2, wherein the screw boss body has a U-shaped cross section including a top plate at a top surface, side plates at both sides and extending relatively vertically downward.

4. The screw rod seat with the handle lock according to claim 3, wherein the clamping groove is arranged in the middle of the side plate of the screw rod seat main body, the opening of the clamping groove faces downwards, and two ends of the clamping groove are arc-shaped; the movable clamping block is an arc-shaped plate and is positioned between the two side plates, and the upper end of the movable clamping block is hinged to the two side plates through a shaft.

5. The screw base with handle lock of claim 4, wherein the static clamping block is configured as an arc-shaped plate, and the static clamping block is fixed between the two side plates; the upper end of the static clamping block is hinged to the two side plates through a shaft, and one side of the static clamping block, which is back to the clamping groove, is provided with a limiting mechanism (8); the limiting mechanism comprises a fixing plate fixed between two side plates, a threaded hole is formed in the middle of the fixing plate, a fastening screw rod is connected in the threaded hole, and the other end of the fastening screw rod is connected to the static clamping block.

6. The screw stock seat with handle lock according to claim 3, characterized in that the screw stock seat body, the top plate of which is provided with a fastening chute (10) in which a fastening piece (11) for fixing the miter saw is arranged; a second layer of plate (12) is arranged below the top plate, a second fastening sliding groove is formed in the second layer of plate, and the second fastening sliding groove is vertically aligned with the fastening sliding groove above the second fastening sliding groove; the fastener comprises a nut sliding part (13) and a screw rod part, the nut sliding part is located between the top plate and the second layer plate, and the screw rod part vertically penetrates through the fastening sliding groove, the nut sliding part and the second fastening sliding groove.

7. The handle-locked screw boss according to claim 3, wherein the locking mechanism is provided at an operation end of the screw boss main body between the two side plates; the support piece is horizontal, one end of the support piece is fixed on one side plate, the other end of the support piece horizontally penetrates through the other side plate, the end part of the support piece is exposed, the end part of the support piece is sleeved with a push switch, the push switch is in a shaft sleeve shape, a push plate is arranged at the exposed end part of the push switch, the push plate is positioned at the outer side of the side plate, the inner end of the push switch extends to the middle part of the support piece, the middle part of the support piece is connected with a locking piece, one end of the locking; the pressure spring is positioned between the side plate and the locking piece.

8. The handle-locked wire barrel of claim 7 wherein said eccentric rotary handle member comprises an arcuate curved plate member having an inner lower portion with a relatively vertically protruding catch portion having a recess into which the hook of said locking member can be inserted.

9. The handle-locked screw boss according to claim 7, wherein said eccentric rotation handle member comprises a plate member curved in an arc shape, wherein an upper portion thereof has a relatively convex bearing plate, and a shaft hole is provided at a portion of the bearing plate deviated from the center thereof and hinged to a shaft through which the eccentric rotation handle member is hinged to the operating end of the screw boss main body between both side plates; one end of the transmission piece is provided with a round bearing plate, the part of the bearing plate deviating from the center is provided with a shaft hole and is hinged with the shaft, the other end of the transmission piece is a spherical surface body, and the spherical surface body is hinged with the movable clamping block.