CN214499659U

CN214499659U - Fastener with adjustability

Info

Publication number: CN214499659U
Application number: CN202120390635.2U
Authority: CN
Inventors: 陈建荣
Original assignee: Lishui Fansheng Fastener Co ltd
Current assignee: Lishui Fansheng Fastener Co ltd
Priority date: 2021-02-22
Filing date: 2021-02-22
Publication date: 2021-10-26
Anticipated expiration: 2031-02-22

Abstract

The utility model discloses a fastener with adjustability, including the quarter butt, the both ends of quarter butt are equipped with fastening device, fastening device includes first tightening ring, second tightening ring, curved groove, curved bar, screw hole, tooth post, nozzle stub and knob, first tightening ring rigid coupling is at the right side tip of quarter butt, second tightening ring is located the left side tip of quarter butt, second tightening ring is articulated continuous with the quarter butt through the round pin axle. This fastener with controllability through the cooperation between quarter butt and the fastening device, when needing to fasten the column work piece, operating personnel carries out the application of force to the knob and makes the tooth post rotate, and this in-process and tooth post can mesh the transmission to the curved bar, make the curved bar remove left side curved groove inside once more for the tight power of supporting of first ring and second ring and column work piece of tightening can strengthen, and the fastening effect to the column form work piece can be strengthened.

Description

Fastener with adjustability

Technical Field

The utility model relates to a machine parts technical field specifically is a fastener with adjustability.

Background

The fastener is a mechanical part which is used for fastening and connecting and has wide application, the fastener has wide application industries, including the industries of energy, electronics, electrical appliances, machinery, chemical engineering, metallurgy, molds, hydraulic pressure and the like, various fasteners can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical engineering, instruments, articles and the like, the fastener is a mechanical basic part which has the most wide application, and the fastener has the characteristics of various varieties and specifications, different performance and purposes, and extremely high standardization, serialization and universalization degrees, so that the fastener of the existing national standard is called as a standard fastener or simply called as a standard part, the fastener comprises a ring-shaped fastener which is mainly used for fixing a columnar structure, for example, a patent with the application number of CN201620650747.6 and comprises a first tightening ring, the one end of first tightening ring has the second tightening ring through the axis of rotation is articulated, first tightening ring and second tightening ring keep away from articulated one end and all are connected with the arc slide bar, the end of two arc slide bars all is equipped with the slider, though can adjust the elasticity of fastening, but still there is certain drawback in the in-service use in-process, for example in to post column structure work piece fastening process, need operating personnel bare-handed carry out the application of force to two tightening ring outsides and press from both sides tight work piece, the effort between tightening ring and the column work piece is comparatively general, the fastening effect to the post column work piece remains to be strengthened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fastener with adjustability to what put forward in solving above-mentioned background art is in to the columnar structure work piece fastening process, needs operating personnel bare-handed to carry out the application of force to two tightening ring outsides and presss from both sides tight work piece, and the effort between tightening ring and the columnar work piece is comparatively general, and the fastening effect to the columnar work piece remains to strengthen the problem.

In order to achieve the above object, the utility model provides a following technical scheme: a fastener with adjustability comprises a short rod, wherein two ends of the short rod are provided with fastening mechanisms;

the fastening mechanism comprises a first tightening ring, a second tightening ring, a curved groove, a curved rod, a threaded hole, a tooth post, a short pipe and a knob;

first tightening ring rigid coupling is at the right side tip of quarter butt, the second tightening ring is located the left side tip of quarter butt, the second tightening ring links to each other through round pin axle and quarter butt are articulated, curved groove has all been seted up to the inside of first tightening ring and second tightening ring, the inside in curved groove is equipped with the curved bar, the outer wall and the curved groove clearance fit of curved bar, threaded hole has been seted up to the outer wall left side top of second tightening ring, the outer wall left side meshing of curved bar is connected with the tooth post, the outer wall front side rigid coupling of second tightening ring has the nozzle stub, the front side of nozzle stub is equipped with the knob, the knob is connected with the tooth post.

Preferably, a plurality of rubber balls are fixedly connected to the inner sides of the outer walls of the first tightening ring and the second tightening ring.

Preferably, the outer wall of the knob is processed with abrasive grains.

Preferably, the knob is connected with the tooth column through a butt joint mechanism;

the butt joint mechanism comprises a cross rod, a lantern ring, a cross cylinder, a groove edge, a pawl assembly, a first tension spring, a sliding groove and a sliding block;

the cross bar is fixedly connected on the right side surface of the tooth column, the left side of the outer wall of the cross bar is rotatably connected with a lantern ring, the lantern ring is fixedly connected with the inner wall of the short pipe, the right side of the outer wall of the cross rod is sleeved with a transverse cylinder, the inner wall of the transverse cylinder is in clearance fit with the outer wall of the cross rod, the outer wall of the transverse cylinder is in clearance fit with the contact surface of the short pipe, the outer side end of the transverse cylinder is fixedly connected with the knob, the outer wall of the transverse cylinder is annularly provided with a groove edge, the top end of the groove edge is unidirectionally clamped with a pawl component, the pawl component is fixedly connected with the inner wall of the short pipe, a first tension spring is fixedly connected with the end part of the right side of the cross rod, the other end of the first tension spring is fixedly connected with the inner side end part of the transverse cylinder, the upper end and the lower end of the inner wall of the transverse cylinder are both provided with sliding chutes, the inside slip joint of spout has the slider, the slider links to each other with the contact surface of horizontal pole is fixed.

Preferably, the two sliding blocks are vertically symmetrical relative to the central point of the cross bar.

Preferably, the sliding groove and the sliding block form a sliding limiting mechanism.

Preferably, the central points of the transverse cylinder, the transverse rod and the tooth column are all located on the same horizontal line.

Preferably, the right end part of the curved rod is provided with an auxiliary mechanism;

the auxiliary mechanism comprises a pasting plate, a second tension spring, a convex block and a through groove;

the flitch rigid coupling is at the right side tip of curved bar, the another side rigid coupling of flitch has the second extension spring, the other end of second extension spring links to each other with the medial extremity of curved groove is fixed, the lug rigid coupling is in the outer wall right side below of curved bar, the lug runs through first ring of tightening through logical groove, the outer wall of lug and the inner wall clearance fit who leads to the groove.

Compared with the prior art, the beneficial effects of the utility model are that: this fastener with adjustability, relative to traditional technique, has following advantage:

through the cooperation between quarter butt and the fastening device, when needing to fasten the column work piece, at first all cup joint first tightening ring and second tightening ring at the outer wall of column work piece, this in-process inserts the curved bar inside the inside curved groove of second tightening ring, it links to each other to make to mesh between tooth post and the curved bar, it is all tight with the outer wall counterbalance of column work piece back at first tightening ring and second tightening ring, operating personnel carries out the application of force to the knob and makes tooth post rotate, this in-process and tooth post can mesh the transmission to the curved bar, make the curved bar move left side curved groove inside once more, make the tight power of supporting of first tightening ring and second tightening ring and column work piece strengthen, the fastening effect to the column work piece can be strengthened.

Through the cooperation between quarter butt, fastening device and the docking mechanism, the knob application of force makes tooth column rotate the in-process, and pawl subassembly can carry out one-way joint to the groove arris to prevent that tooth column from reversing, make the curved bar can not extract after inserting left side curved groove inside, can effectually prevent that the not hard up condition from appearing in the fastening process.

Through the quarter butt, the cooperation between fastening device and the complementary unit, tighten up the ring at first tightening ring and second and fasten the operation in-process to the column work piece, the flitch can be at the inside rebound in the bent groove of right side, the second extension spring can stretch while the lug can upwards slide in the inside that leads to the groove, operating personnel can be according to judging the lug and at the inside gliding mass that rises that leads to the groove, know first tightening ring and second approximately and tighten up the dynamics of tightening up the ring to the column work piece, can facilitate for operating personnel.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front cross-sectional view of FIG. 1;

FIG. 3 is a left side partial cross-sectional view of the second cinch ring, spool, and knob of FIG. 1;

fig. 4 is a schematic view showing a connection structure of the first tensioner ring, the crank lever and the auxiliary mechanism of fig. 2.

In the figure: 1. short rod, 2, fastening mechanism, 201, first tightening ring, 202, second tightening ring, 203, curved groove, 204, curved rod, 205, threaded hole, 206, tooth post, 207, short pipe, 208, knob, 3, docking mechanism, 301, cross rod, 302, lantern ring, 303, cross cylinder, 304, groove edge, 305, pawl component, 306, first extension spring, 307, chute, 308, slider, 4, complementary unit, 401, flitch, 402, second extension spring, 403, lug, 404, through groove, 5, rubber ball.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a fastener with adjustability comprises a short rod 1, wherein two ends of the short rod 1 are provided with fastening mechanisms 2, each fastening mechanism 2 comprises a first tightening ring 201, a second tightening ring 202, a curved groove 203, a curved rod 204, a threaded hole 205, a tooth post 206, a short pipe 207 and a knob 208, the first tightening ring 201 is fixedly connected to the right end of the short rod 1, the second tightening ring 202 is positioned at the left end of the short rod 1, the second tightening ring 202 is hinged to the short rod 1 through a pin shaft, the curved grooves 203 are formed in the first tightening ring 201 and the second tightening ring 202, the curved rod 204 is arranged in the curved groove 203, the outer wall of the curved rod 204 is in clearance fit with the curved groove 203, the threaded hole 205 is formed in the upper portion of the left side of the outer wall of the second tightening ring 202, the threaded hole 205 can be in threaded connection with a bolt to abut against the curved rod 204, and the clamping force of the first tightening ring 201 and the second tightening ring 202 on a cylindrical workpiece is enhanced, the meshing of the outer wall left side of curved bar 204 is connected with tooth column 206, the outer wall front side rigid coupling of second tightening ring 202 has nozzle stub 207, the front side of nozzle stub 207 is equipped with knob 208, knob 208 is connected with tooth column 206, the equal rigid coupling in the outer wall inboard of first tightening ring 201 and second tightening ring 202 has a plurality of rubber balls 5, rubber balls 5 are made for the rubber material, certain toughness has, can strengthen the inboard frictional force of first tightening ring 201 and second tightening ring 202 outer wall, the outer wall processing of knob 208 has the wear line, the wear line is convenient for operating personnel to carry out the application of force to knob 208.

The knob 208 is connected with the tooth column 206 through the docking mechanism 3, the docking mechanism 3 comprises a cross rod 301, a lantern ring 302, a cross cylinder 303, a groove rib 304, a pawl component 305, a first tension spring 306, a sliding chute 307 and a sliding block 308, the cross rod 301 is fixedly connected to the right side surface of the tooth column 206, the lantern ring 302 is rotatably connected to the left side of the outer wall of the cross rod 301, the lantern ring 302 is rotatably connected with the cross rod 301 through a ball bearing, the lantern ring 302 is fixedly connected with the inner wall of the short pipe 207, the cross cylinder 303 is sleeved on the right side of the outer wall of the cross rod 301, the inner wall of the cross cylinder 303 is in clearance fit with the outer wall of the cross rod 301, the outer wall of the cross cylinder 303 is in clearance fit with the contact surface of the short pipe 207, the outer end of the cross cylinder 303 is fixedly connected with the knob 208, the outer wall of the cross cylinder 303 is annularly provided with the groove rib 304, the pawl component 305 is unidirectionally clamped at the top end of the groove rib 304, the pawl component 305 is fixedly connected with the inner wall of the short pipe 207, the right end of the cross rod 301 is fixedly connected with the first tension spring 306, the coefficient of the first tension spring 306 is 2-5N/CM, the other end of the first tension spring 306 is fixedly connected with the end part of the inner side of the transverse cylinder 303, the upper end and the lower end of the inner wall of the transverse cylinder 303 are both provided with sliding grooves 307, the sliding blocks 308 are slidably clamped in the sliding grooves 307, the sliding blocks 308 are fixedly connected with the contact surface of the transverse rod 301, the two sliding blocks 308 are vertically symmetrical relative to the central point of the transverse rod 301, the two sliding blocks 308 can uniformly apply force to the cross bar 301, the sliding groove 307 and the sliding block 308 form a sliding limiting mechanism, the sliding groove 307 can play a role in limiting the sliding of the sliding block 308, the sliding block 308 can slide left and right in the sliding groove 307, but can't go on from top to bottom back-and-forth movement, be convenient for rotate horizontal pole 301 through 303, the central point of a horizontal section of thick bamboo 303, horizontal pole 301 and tooth post 206 all is located same water flat line, can make horizontal pole 301 and tooth post 206 carry out concentric rotation after a horizontal section of thick bamboo 303 rotates.

The right side end portion of the curved rod 204 is provided with an auxiliary mechanism 4, the auxiliary mechanism 4 comprises a pasting plate 401, a second tension spring 402, a bump 403 and a through groove 404, the pasting plate 401 is fixedly connected to the right side end portion of the curved rod 204, the second tension spring 402 is fixedly connected to the other side of the pasting plate 401, the coefficient of the second tension spring 402 is 5-50N/CM, the other end of the second tension spring 402 is fixedly connected with the inner side end portion of the curved groove 203, the bump 403 is fixedly connected to the lower portion of the right side of the outer wall of the curved rod 204, the bump 403 penetrates through the first tightening ring 201 through the through groove 404, and the outer wall of the bump 403 is in clearance fit with the inner wall of the through groove 404.

When the fastener with adjustability is used and needs to fasten a columnar workpiece, the first tightening ring 201 and the second tightening ring 202 are sleeved on the outer wall of the columnar workpiece, the curved rod 204 is inserted into the curved groove 203 in the second tightening ring 202 in the process, the toothed column 206 and the curved rod 204 are meshed and connected, after the first tightening ring 201 and the second tightening ring 202 are tightly abutted against the outer wall of the columnar workpiece, an operator applies force to the knob 208 to rotate the transverse cylinder 303, the sliding limiting of the sliding block 308 through the sliding groove 307 can enable the transverse cylinder 301 and the toothed column 206 to simultaneously rotate, the toothed column 206 and the curved rod 204 are meshed and driven in the process, the curved rod 204 moves towards the left side curved groove 203 again, the abutting force of the first tightening ring 201 and the second tightening ring 202 and the columnar workpiece is enhanced, and the pawl assembly 305 can unidirectionally clamp the groove edge 304 in the process, to prevent the tooth post 206 from reversing, so that the curved rod 204 is not pulled out after being inserted into the left curved groove 203, and the loosening during the fastening process can be effectively prevented, it should be noted that, during the fastening operation of the tightening ring 202 on the cylindrical workpiece, the attachment plate 401 will move upwards inside the right curved groove 203, the second tension spring 402 will stretch while the protrusion 403 can slide upwards inside the through groove 404, and the operator can roughly know the tightening force of the first tightening ring 201 and the second tightening ring 202 on the cylindrical workpiece according to the sliding amount of the protrusion 403 in the through groove 404, which can provide convenience for the operator, and after the first tightening ring 201 and the second tightening ring 202 need to be separated from the cylindrical workpiece, the operator will apply force to the outside on the knob 208 to separate the groove ridge 304 from the pawl component 305, and at this time can rotate the knob 208 in the opposite direction, the curved rod 204 can be pulled out to complete the separation of the fastener from the cylindrical workpiece.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A fastener with adjustability, comprising a short bar (1), characterized in that: two ends of the short rod (1) are provided with fastening mechanisms (2);

the fastening mechanism (2) comprises a first tightening ring (201), a second tightening ring (202), a curved groove (203), a curved rod (204), a threaded hole (205), a tooth post (206), a short pipe (207) and a knob (208);

first tightening ring (201) rigid coupling is in the right side tip of quarter butt (1), second tightening ring (202) is located the left side tip of quarter butt (1), second tightening ring (202) links to each other through round pin axle and quarter butt (1) are articulated, curved groove (203) have all been seted up to the inside of first tightening ring (201) and second tightening ring (202), the inside in curved groove (203) is equipped with curved bar (204), the outer wall and curved groove (203) clearance fit of curved bar (204), threaded hole (205) have been seted up to the outer wall left side top of second tightening ring (202), the outer wall left side meshing of curved bar (204) is connected with tooth column (206), the outer wall front side rigid coupling of second tightening ring (202) has nozzle stub (207), the front side of short tube (207) is equipped with knob (208), knob (208) are connected with tooth column (206).

2. An adjustable fastener according to claim 1, wherein: the inner sides of the outer walls of the first tightening ring (201) and the second tightening ring (202) are fixedly connected with a plurality of rubber balls (5).

3. An adjustable fastener according to claim 1, wherein: the outer wall of the knob (208) is processed with abrasive grains.

4. An adjustable fastener according to claim 1, wherein: the knob (208) is connected with the tooth column (206) through the butt joint mechanism (3);

the butt joint mechanism (3) comprises a cross rod (301), a lantern ring (302), a transverse cylinder (303), a groove edge (304), a pawl assembly (305), a first tension spring (306), a sliding groove (307) and a sliding block (308);

the utility model discloses a tooth column, including horizontal pole (301), the outer wall left side of horizontal pole (301) is rotated and is connected with the lantern ring (302), the inner wall of lantern ring (302) and nozzle stub (207) is fixed links to each other, horizontal section of thick bamboo (303) has been cup jointed on the outer wall right side of horizontal pole (301), the inner wall of horizontal section of thick bamboo (303) and the outer wall clearance fit of horizontal pole (301), the outer wall of horizontal section of thick bamboo (303) and the contact surface clearance fit of nozzle stub (207), the outside end of horizontal section of thick bamboo (303) links to each other with knob (208) is fixed, the outer wall of horizontal section of thick bamboo (303) is the annular and has been seted up arris (304), the one-way joint in top of arris (304) has pawl subassembly (305), pawl subassembly (305) and the inner wall of nozzle stub (207) are fixed to each other, the right side end of horizontal pole (301) has first extension spring (306), the other end of first extension spring (306) and the inboard end of horizontal section of thick bamboo (303) are fixed to link to each other, the inner wall of the transverse barrel (303) is provided with sliding grooves (307) at the upper end and the lower end, sliding blocks (308) are clamped in the sliding grooves (307) in a sliding mode, and the sliding blocks (308) are fixedly connected with the contact surface of the transverse rod (301).

5. An adjustable fastener according to claim 4, wherein: the two sliding blocks (308) are vertically symmetrical relative to the central point of the cross rod (301).

6. An adjustable fastener according to claim 4, wherein: the sliding groove (307) and the sliding block (308) form a sliding limiting mechanism.

7. An adjustable fastener according to claim 4, wherein: the central points of the transverse cylinder (303), the transverse rod (301) and the tooth column (206) are all located on the same horizontal line.

8. An adjustable fastener according to claim 1, wherein: an auxiliary mechanism (4) is arranged at the right end part of the curved rod (204);

the auxiliary mechanism (4) comprises a pasting plate (401), a second tension spring (402), a bump (403) and a through groove (404);

flitch (401) rigid coupling is at the right side end of curved bar (204), the another side rigid coupling of flitch (401) has second extension spring (402), the other end of second extension spring (402) links to each other with the medial extremity portion of curved groove (203) is fixed, lug (403) rigid coupling is in the outer wall right side below of curved bar (204), lug (403) run through first tightening ring (201) through logical groove (404), the outer wall of lug (403) and the inner wall clearance fit who leads to groove (404).