CN112682415A

CN112682415A - Fastener with torsional spring self-locking function

Info

Publication number: CN112682415A
Application number: CN202011586345.1A
Authority: CN
Inventors: 沈健狄; 李华; 张永良
Original assignee: Ningbo Jinding Fastening Piece Co ltd
Current assignee: Ningbo Jinding Fastening Piece Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-04-20

Abstract

The invention relates to the technical field of torsion spring fasteners, in particular to a fastener with torsion spring self-locking, which comprises a device main body, wherein the device main body comprises a bolt body, the outer side of the bolt body is sleeved and provided with a fixed cover body through threads, movable thread block bodies are placed and arranged in the fixed cover body, and the number of the movable thread block bodies is two. According to the invention, the fixed cover body, the movable threaded block body, the base body, the first locking ring groove body, the second locking ring groove body, the first locking convex block body, the second locking convex block body and the torsion spring body are arranged, and the reset elasticity of the torsion spring body is utilized, so that the fixed cover body, the base body and the two movable threaded block bodies are firmly fixed on the outer side of the bolt body and the outer side of the torsion spring body, the material is more firmly fixed by the device main body, the use of the device main body by workers is facilitated, the working difficulty of the workers is reduced, and the working experience of the workers is improved.

Description

Fastener with torsional spring self-locking function

Technical Field

The invention relates to the technical field of torsion spring fasteners, in particular to a fastener with torsion spring self-locking.

Background

The general nut can be loosened by itself due to vibration and other reasons in the using process, such as vibration, and in order to prevent the phenomenon, the self-locking nut is invented. The self-locking nut has the functions of anti-loosening and anti-vibration. Used in special occasions. The structure of the nut is that a torsion spring structure is generally added in the nut, when the bolt is screwed in the nut, the screwing direction is the screwing direction along the torsion spring, and at the moment, when the bolt is screwed in, the torsion spring does not provide damping; and when the bolt needs to be unscrewed, the screwing direction is the rotating direction against the torsion spring, and the torsion spring provides damping at the moment, so that the bolt cannot be unscrewed, and the bolt has strong anti-loosening performance.

However, the above structure firstly results in the bolt being unable to be replaced when damaged, and in the occasion that needs the auto-lock to the long bolt, the long bolt results in that the staff need spend longer time to install to increased staff's work burden, reduced staff's work efficiency, consequently need design a fastener that has the torsional spring auto-lock and solve this problem.

Disclosure of Invention

The invention aims to provide a fastener with a self-locking torsion spring, which solves the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a fastener with torsional spring self-locking comprises a device main body, wherein the device main body comprises a bolt body, the outer side of the bolt body is provided with a fixed cover body in a sleeved mode through threads, movable thread block bodies are placed and installed in the fixed cover body, the number of the movable thread block bodies is two, a first locking annular groove body and a second locking annular groove body are respectively arranged on one sides, away from each other, of the two movable thread block bodies, a first locking convex block body is inserted and installed in the second locking annular groove body, one side of the first locking convex block body is fixedly connected with one side of the inner wall of the fixed cover body, a second locking convex block body is inserted and installed in the first locking annular groove body, one side of the second locking convex block body is fixedly connected with the other side of the inner wall of the fixed cover body, and the outer side of the bolt body is sleeved and installed with a torsion spring body, two one side that activity thread piece body is close to each other all closely laminates with the outside of torsion spring body, the one end of torsion spring body runs through activity thread piece body and extends to the inside of the protruding piece body of second locking, the other end of torsion spring body runs through the inside that the torsion spring body extends to the protruding piece body of first locking.

Preferably, the fixed cover body and the base body are both provided with anti-skid grains on both sides.

Preferably, the sliding groove has all been seted up to the one end of activity screw thread piece body, the inside of sliding groove all has the protruding piece body of slip, two the one end fixed mounting of the protruding piece body of slip has the base body.

Preferably, the length of the sliding groove and the length of the sliding protruding block body are both one centimeter.

Preferably, the inside of the sliding protruding block body is provided with a movable groove, and the inside of the movable groove is movably provided with a movable ball.

Preferably, the two sides of the base body are provided with limiting mechanisms, each limiting mechanism comprises a slot, the slots are arranged on the two sides of the base body, one sides, close to each other, of the slots extend to one side of the fixed cover body, a first fixed rod body and a second fixed rod body are arranged in the slots in an inserted mode, a connecting block body is fixedly arranged on one sides of the first fixed rod body and the second fixed rod body, and fixing slots are arranged at the two ends of the slots.

Preferably, one end of one side of each of the first and second fixing lever bodies is inserted into the fixing groove, and the other end of one side of each of the first and second fixing lever bodies and the fixing groove are in a slope shape.

Compared with the prior art, the invention has the following beneficial effects.

1. Through being provided with fixed lid, the protruding piece body of activity thread, a pedestal body, first locking ring groove body, second locking ring groove body, first locking protruding piece body, protruding piece body of second locking and torsion spring body, utilize the elasticity that resets of torsion spring body, make fixed lid and pedestal body and two firm outsides of fixing at the outside of bolt body and torsion spring body of activity thread piece body, it is more firm to make the device main part fix the material, made things convenient for the use of staff to the device main part, staff's the work degree of difficulty has been reduced, staff's work experience has been promoted.

2. Through being provided with slot, first dead lever body, second dead lever body, connecting block body and fixed slot, utilize the characteristic of first dead lever body and second dead lever body, will fix lid and base body more firmly together, make the device main part carry out the permanent fixed with the material, made things convenient for staff's work.

3. Through being provided with movable groove and activity ball, utilize the characteristic of activity ball, reduced the friction that the protruding piece body of slip produced in the sliding tray inside to reduced the protruding piece body of slip loss in the sliding tray inside, increased the life of structure, made things convenient for the later maintenance of staff to the device main part.

Drawings

FIG. 1 is a schematic sectional view of the structure of the present invention.

Fig. 2 is a schematic structural front view of the present invention.

FIG. 3 is a cross-sectional view of the base body structure of the present invention.

Fig. 4 is a schematic cross-sectional view of a fixed cover structure according to the present invention.

FIG. 5 is a schematic top view of the base body structure of the present invention.

FIG. 6 is a schematic side sectional view of a partial structure of a base body according to the present invention.

Fig. 7 is an enlarged view of a portion of the structure shown in fig. 1.

Fig. 8 is an enlarged view of a portion of the structure at B in fig. 1 according to the present invention.

In the figure: 1. a device main body; 110. a bolt body; 111. fixing the cover body; 112. a movable thread block body; 113. a sliding groove; 114. a sliding bump body; 115. a movable groove; 116. a movable ball; 117. a base body; 118. a first lock ring slot body; 119. a second locking ring groove body; 120. a first locking bump body; 121. a second locking bump body; 122. a torsion spring body; 123. anti-skid lines; 2. a limiting mechanism; 210. a slot; 211. a first fixing rod body; 212. a second fixing rod body; 213. a connecting block body; 214. and fixing the grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, an embodiment of the present invention is shown.

A fastener with torsional spring self-locking comprises a device main body 1, the device main body 1 comprises a bolt body 110, a fixed cover body 111 is sleeved and installed on the outer side of the bolt body 110 through threads, a movable thread block body 112 is placed and installed inside the fixed cover body 111, the number of the movable thread block bodies 112 is two, a first locking ring groove body 118 and a second locking ring groove body 119 are respectively arranged on the sides, far away from each other, of the two movable thread block bodies 112, a first locking convex block body 120 is inserted and installed inside the second locking ring groove body 119, one side of the first locking convex block body 120 is fixedly connected with one side of the inner wall of the fixed cover body 111, a second locking convex block body 121 is inserted and installed inside the first locking ring groove body 118, one side of the second locking convex block body 121 is fixedly connected with the other side of the inner wall of the fixed cover body 111, a torsional spring body 122 is sleeved and installed on the outer side of the bolt body 110, one side of each of the two movable screw block bodies 112 close to each other is tightly attached to the outer side of the torsion spring body 122, one end of the torsion spring body 122 penetrates through the movable screw block body 112 and extends to the inside of the second locking protrusion body 121, the other end of the torsion spring body 122 penetrates through the torsion spring body 122 and extends to the inside of the first locking protrusion body 120, when a worker uses the device main body 1, the worker screws the fixed cover 111 and the base body 117 to the outer side of the bolt body 110, so that the fixed cover 111 and the base body 117 firmly fix the material, and then the torsion spring body 122 firmly fixes the bolt body 110 by using the characteristics of the torsion spring body 122, and the two movable screw block bodies 112 are firmly fixed to the outer side of the torsion spring body 122, so that the material can be fixed more firmly, when the working environment shakes, the fixed cover body 111 and the base body 117 slide in the reverse direction, and by means of the characteristics of the torsion spring body 122, the torsion spring body 122 is firmly held outside the bolt body 110, so that the fixed cover body 111 and the base body 117 are prevented from falling off from the outside of the bolt body 110, the material is fixed more firmly by workers, the working difficulty of the workers is reduced, and the working experience and the working efficiency of the workers are improved.

Furthermore, anti-slip lines 123 have been all seted up to the both sides of fixed lid 111 and base body 117, and when the staff twisted fixed lid 111 and base body 117, the characteristic that utilizes anti-slip lines 123 increased frictional force to staff's finger, and the more convenient using device main part 1 of use staff has prevented that device main part 1 from slipping from staff's hand, has promoted staff's use and has experienced.

Furthermore, one end of the movable thread block body 112 is provided with a sliding groove 113, the sliding protrusion block bodies 114 are slidably mounted inside the sliding groove 113, one end of each of the two sliding protrusion block bodies 114 is fixedly mounted with a base body 117, the length of the sliding groove 113 and the length of each of the sliding protrusion block bodies 114 are one centimeter, the length of the sliding groove 113 and the length of each of the sliding protrusion block bodies 114 are determined according to the size of the fastener, so that the fixing effect of the fastener is optimal, when the worker installs the device main body 1, the sliding protrusion block body 114 slides in the sliding groove 113, so that the two movable screw block bodies 112 move stably and firmly in the fixed cover 111, and the movable screw block body 112 is more firmly fixed on the outer side of the torsion spring body 122, which is convenient for the worker to fix the device main body 1 more firmly.

Further, movable groove 115 has all been seted up to the inside of slip protruding piece body 114, movable groove 115's inside all movable mounting has movable ball 116, when slip protruding piece body 114 slides in the inside of sliding tray 113, utilize movable ball 116's characteristic, the frictional force of slip protruding piece body 114 in the inside production of sliding tray 113 has been reduced, and the loss of slip protruding piece body 114 has been reduced, the life of structure has been increased, the staff has made things convenient for the maintenance in device main part 1 later stage.

Further, both sides of the base body 117 are provided with the limiting mechanisms 2, each limiting mechanism 2 includes a slot 210, both sides of the base body 117 are provided with the slots 210, one side of each slot 210 close to each other extends to one side of the fixing cover 111, the inside of each slot 210 is inserted with a first fixing rod body 211 and a second fixing rod body 212, one side of each first fixing rod body 211 and one side of each second fixing rod body 212 are fixedly provided with a connecting block body 213, both ends of each slot 210 are provided with fixing grooves 214, when a worker does not need to disassemble the device main body 1 and permanently fix materials, the worker inserts the first fixing rod body 211 and the second fixing rod body 212 into the slots 210, thereby facilitating the worker to fix the fixing cover 111 and the base body 117 more firmly, and preventing the fixing cover 111 from moving inside the base body 117, the use experience of staff is promoted.

Further, one end of one side of each of the first fixing lever body 211 and the second fixing lever body 212 is inserted into the fixing groove 214, and the other end of one side of each of the first fixing lever body 211 and the second fixing lever body 212 and the fixing groove 214 are both in a slope shape, so that the first fixing lever body 211 and the second fixing lever body 212 can easily enter the fixing groove 214 by using the shape characteristics of the first fixing lever body 211 and the second fixing lever body 212, the fixing cover 111 and the base body 117 can be more conveniently and firmly fixed by a worker, and the working efficiency of the worker is improved.

The working principle is as follows: when a worker uses the device main body 1, the worker inserts and installs the bolt main body 110 into a material to be fixed, then the worker screws the fixed cover 111 and the base main body 117 clockwise to the outer side of the bolt main body 110, and at the same time, the fixed cover 111 and the base main body 117 are firmly fixed to the outer side of the bolt main body 110 by using the characteristics of the torsion spring main body 122, so that the material can be fixed more firmly, since the material is vibrated due to the influence of the working environment, the device main body 1 slides reversely, and at the same time, the two movable thread blocks 112 are close to each other by using the characteristics of the torsion spring main body 122, and the torsion spring main body 122 is clasped to the outer side of the bolt main body 110, so that the fixed cover 111 and the base main body 117 are more firmly fixed to the outer side of the bolt main body 110, when the worker needs to disassemble the device main body 1, utilize the staff to twist fixed lid 111, first locking protruding piece body 120 and second locking protruding piece body 121 move in the inside of first locking ring groove body 118 and second locking ring groove body 119 respectively simultaneously, make first locking protruding piece body 120 and second locking protruding piece body 121 drive the both ends of torsion spring body 122 and move, the protruding piece body 114 that slides simultaneously slides in the inside of sliding tray 113, make movable ball 116 roll in the inside of movable tray 115, make two movable screw block bodies 112 keep away from each other, make torsion spring body 122 become the state of unscrewing this moment, can take out bolt body 110 from the inside of fixed lid 111 and base body 117, accomplish the split to the material, the work of staff has been made things convenient for, staff's the work degree of difficulty has been reduced.

When the staff needs to fix the material for a long time, the staff is used to extrude the first fixing rod body 211 and the second fixing rod body 212, then the first fixing rod body 211 and the second fixing rod body 212 are inserted into the slot 210, then the staff is used to push the connecting block body 213, and by using the characteristics of the first fixing rod body 211 and the second fixing rod body 212, one end of one side of the first fixing rod body 211 and the second fixing rod body 212 is installed in the fixing slot 214, so that the first fixing rod body 211 and the second fixing rod body 212 firmly fix the fixing cover 111 and the base body 117, namely, the fixing cover 111 and the base body 117 are firmly fixed together, and the staff is convenient to fix the material for a long time, and the fixation is firmer.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A fastener with torsion spring self-locking, includes device main part (1), its characterized in that: the device main body (1) comprises a bolt body (110), the outer side of the bolt body (110) is provided with a fixed cover body (111) through threaded sleeve, the fixed cover body (111) is internally provided with two movable threaded block bodies (112), one sides of the two movable threaded block bodies (112) which are far away from each other are respectively provided with a first locking ring groove body (118) and a second locking ring groove body (119), the inside of the second locking ring groove body (119) is provided with a first locking convex block body (120) in an inserting manner, one side of the first locking convex block body (120) is fixedly connected with one side of the inner wall of the fixed cover body (111), the inside of the first locking ring groove body (118) is provided with a second locking convex block body (121) in an inserting manner, one side of the second locking convex block body (121) is fixedly connected with the other side of the inner wall of the fixed cover body (111), the outside of bolt body (110) is cup jointed and is installed torsion spring body (122), two one side that activity screw block body (112) are close to each other all closely laminates with the outside of torsion spring body (122), the inside that activity screw block body (112) extended to second locking protruding piece body (121) is run through to the one end of torsion spring body (122), the inside that torsion spring body (122) were run through to torsion spring body (122) extends to first locking protruding piece body (120) is run through to the other end of torsion spring body (122).

2. The fastener with torsion spring self-locking according to claim 1, wherein: the fixed cover body (111) and the base body (117) are both provided with anti-skid grains (123).

3. The fastener with torsion spring self-locking according to claim 1, wherein: sliding grooves (113) are formed in one ends of the movable threaded block bodies (112), sliding protruding block bodies (114) are slidably mounted inside the sliding grooves (113), and base bodies (117) are fixedly mounted at one ends of the two sliding protruding block bodies (114).

4. A fastener having torsion spring self-locking according to claim 3, wherein: the length of the sliding groove (113) and the length of the sliding protruding block body (114) are both one centimeter.

5. A fastener having torsion spring self-locking according to claim 3, wherein: the inner part of the sliding protruding block body (114) is provided with movable grooves (115), and movable balls (116) are movably arranged in the movable grooves (115).

6. A fastener having torsion spring self-locking according to claim 3, wherein: the utility model discloses a fixing device for fixing a base, including base body (117), stop gear (2) all are provided with stop gear (2), stop gear (2) are including slot (210), two have all been seted up to base body (117)'s both sides slot (210), one side that slot (210) are close to each other all extends to one side of fixed lid (111), the inside of slot (210) all inserts and installs first dead lever body (211) and second dead lever body (212), the equal fixed mounting in one side of first dead lever body (211) and second dead lever body (212) has connecting block body (213), fixed slot (214) have all been seted up at the both ends of slot (210).

7. The fastener with torsion spring self-locking according to claim 6, wherein: one end of one side of each of the first fixing rod body (211) and the second fixing rod body (212) is inserted into the fixing groove (214), and the other end of one side of each of the first fixing rod body (211) and the second fixing rod body (212) and the fixing groove (214) are in a slope shape.