CN214482347U - Anti-thread-withdrawal fastening structure for reducing resistance and improving efficiency - Google Patents

Abstract

The utility model discloses a reduce resistance and promote efficiency and prevent moving back a fastening structure, include knife rest, main shaft pole, stationary knife and move the sword, the stationary knife at the top of knife rest one side has the screw hole through spacing spout and fixed slot main part, and the stationary knife has the screw eye, then the screw fixation, the top fixed mounting of knife rest has the main shaft pole, and is equipped with on the main shaft pole and prevents moving back a body, the one end fixed mounting in proper order of main shaft pole has plane bearing and round pin cap, and other end main shaft pole is injectd with the screw with resin and main shaft pole and is moved back the screw, run through on the main shaft pole and install the stationary knife and move sword and swing tooth. The utility model discloses a prevent moving back a body, injecing the screw and moving the cooperation that the sword rotated between the tooth plane bearing and use, realized the blade at the in-process that uses, reduce and move the resistance reduction of the frictional force maximize that the sword rotated tooth and round pin cap, also very big atress that has reduced the main shaft pole, so can prevent the phenomenon that moves back the silk and very big reduction energy consumption.

Description

Anti-thread-withdrawal fastening structure for reducing resistance and improving efficiency

Technical Field

The utility model relates to an electric scissors prevents moving back a technical field, specifically for reducing resistance promotes efficiency and prevents moving back a tight structure.

Background

Prevent moving back fixed knot of silk constructs, mainly be applied to electronic scissors field, in electronic fruit branch scissors field, the scissors all by moving sword and stationary knife interact work, however prior art's stationary knife and moving sword interact have been of a specified duration and have made the main shaft rotation easily to cause not hard up, have influenced the performance of product, need reduce the resistance at present and promote efficiency and prevent moving back a silk fastening structure, but be present reduce the resistance and promote efficiency and prevent moving back a silk fastening structure and have many problems or defects:

1. most of the existing fastening structures do not have the function of preventing the wire from withdrawing, and the electric scissors are rubbed back and forth for a long time in the using process, the wire is easy to withdraw, so that the movable knife and the fixed knife are loosened and fall off, and the usability of the scissors is reduced;

2. and current fastening structure has certain limitation, moves the sword and is connected firmly inadequately with the knife rest, thereby long-term use appears rocking the condition easily and has influenced the use, moves the sword simultaneously and is fixed mostly, and the staff of being not convenient for maintains or changes according to actual conditions.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reduce resistance and promote efficiency and prevent moving back a silk fastening structure to the problem that fastening structure work efficiency is low that proposes in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: reduce resistance and promote efficiency and prevent moving back a fastening structure, include knife rest, main shaft pole, stationary knife and move the sword, the top of knife rest one side is equipped with the screw hole through spacing spout and fixed slot, and the stationary knife has the screw eye, then the screw fixation, and runs through on the stationary knife and install fixed inserted bar, be equipped with the spacing fixture block of cooperation use on the fixed inserted bar, the top fixed mounting of knife rest has the main shaft pole, and is equipped with on the main shaft pole and prevent moving back a body, the one end fixed mounting in proper order of main shaft pole has plane bearing and round pin cap, the other end of main shaft pole is equipped with the cooperation with the junction of plane bearing and knife rest and uses from congealing resin and injecing the screw of moving back, run through on the main shaft pole and install the stationary knife and move sword and swing tooth.

Preferably, through grooves matched with the fixed insertion rods are formed in the tool rest and the fixed tool.

Preferably, the bottom of the tool rest is fixedly provided with a mounting block which is used in a matched manner, and the mounting block is provided with an anti-slip sleeve which is used in a matched manner.

Preferably, a fixed cutter fixing wire matched with the fixed cutter is fixedly arranged at the joint of the fixed cutter and the cutter frame.

Preferably, a fastening bolt matched with the main shaft rod is arranged at the joint of one side of the main shaft rod and one side of the tool rest.

Compared with the prior art, the utility model discloses an innovation point effect is: this it is reasonable to reduce resistance and promote efficiency and prevent moving back a fastening structure, has following advantage:

(1) the anti-back thread protection device has the advantages that the anti-back thread protection device is used by matching the anti-back thread body arranged on the main shaft rod with the self-hardening resin and the plane bearing, so that the fixed cutter and the movable cutter can be protected from back thread protection in the use process, the movable cutter is contacted with the plane bearing in the back-and-forth movement process instead of being directly contacted with the pin cap, the blade can be prevented from rotating and not driving the pin cap to rotate to be loose, meanwhile, the friction force between the fixed cutter and the movable cutter and the main shaft rod is increased, the back-and-forth friction between the fixed cutter and the movable cutter in the long-term use process is avoided, the thread back phenomenon is avoided, the pin cap is loosened and falls off from the main shaft rod to influence the use, and the practicability of the fastening structure is improved;

(2) through fixed inserted bar, spacing fixture block, cooperation between spacing spout and the fixed slot is used, make the stationary knife in actual use, the fastness of stationary knife and knife rest contact has been increased, thereby prevent that the stationary knife is not hard up to drop during the use and has influenced the use, the staff of being convenient for simultaneously maintains or changes the stationary knife according to actual conditions, easy operation is swift, avoided the stationary knife because of fixed, when wearing and tearing appear, can't carry out local change and maintain, thereby it takes place to need wholly to change the condition that has increased use cost, the benefit of fastening structure use has been improved.

Drawings

Fig. 1 is a schematic front view of the present invention;

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

FIG. 3 is a schematic side view of the present invention;

fig. 4 is a schematic view of the partial front sectional structure of the present invention.

In the figure: 1. a tool holder; 101. fixing the inserted rod; 102. a limiting clamping block; 103. a through groove; 104. a limiting chute; 105. fixing the clamping groove; 106. mounting blocks; 107. swinging the teeth; 2. A main shaft rod; 201. the anti-withdrawal body; 202. a flat bearing; 203. a pin cap; 204. self-setting resin; 205. fixing a cutter; 206. moving a knife; 207. and fixing the wire by a fixed cutter.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: the anti-withdrawing fastening structure for reducing resistance and improving efficiency comprises a tool rest 1, a spindle rod 2, a fixed knife 205 and a movable knife 206, wherein the top of one side of the tool rest 1 is provided with a screw hole through a limiting sliding groove 104 and a fixing clamping groove 105, the fixed knife 205 is provided with a screw hole and then fixed by a screw, the fixed knife 205 is provided with a fixing insertion rod 101 in a penetrating way, the fixing insertion rod 101 is provided with a limiting clamping block 102 which is used in a matched way, the fixed knife 205 is used in a matched way through the fixing insertion rod 101, the limiting clamping block 102, the limiting sliding groove 104 and the fixing clamping groove 105, so that the contact firmness of the fixed knife 205 and the tool rest 1 is improved in the actual use process, the fixed knife 205 is prevented from loosening and falling off during use so as to influence use, meanwhile, a worker can maintain or replace the fixed knife 205 according to the actual situation conveniently, the operation is simple and fast, the fixed knife 205 is prevented from being fixed, and when the abrasion occurs, the local replacement and maintenance cannot be carried out, the tool rest 1 and the fixed knife 205 are internally provided with through grooves 103 matched with the fixed inserted bar 101 for use, the bottom of the tool rest 1 is fixedly provided with a mounting block 106 matched for use, and the mounting block 106 is provided with an anti-slip sleeve matched for use;

specifically, a main shaft rod 2 is fixedly arranged at the top of a tool rest 1, a wire withdrawal prevention body 201 is arranged on the main shaft rod 2, a plane bearing 202 and a pin cap 203 are sequentially and fixedly arranged at one end of the main shaft rod 2, through the matching use of the anti-wire-withdrawing body 201 arranged on the main shaft rod 2, the self-hardening resin 204 and the plane bearing 202, so that the fixed blade 205 and the movable blade 206 can be protected from wire withdrawal during use, the movable blade 206 contacts with the plane bearing 202 during reciprocating motion, but not directly contacting the pin cap 203, can prevent the blade from rotating and not driving the pin cap 203 to rotate and loosening, meanwhile, the friction force between the fixed cutter 205 and the movable cutter 206 and the contact of the main shaft rod 2 is increased, the phenomenon of wire withdrawal caused by back-and-forth friction between the fixed cutter 205 and the movable cutter 206 in the long-term use process is avoided, therefore, the pin cap 203 loosens and falls off from the main shaft rod 2, which affects the use and improves the practicability of the fastening structure;

specifically, a self-setting resin 204 and a limited back screw which are matched with each other are arranged at the joint of the other end of the main shaft rod 2 and the plane bearing 202 with the tool rest 1, a fixed knife 205, a movable knife 206 and a swing tooth 107 are installed on the main shaft rod 2 in a penetrating manner, a fixed knife fixing wire 207 which is matched with each other is fixedly installed at the joint of the fixed knife 205 and the tool rest 1, and a fastening bolt which is matched with each other is arranged at the joint of the main shaft rod 2 and one side of the tool rest 1.

The working principle is as follows: during the use, at first, on installing main shaft pole 2 with stationary knife 205 and moving sword 206, again at stationary knife 205, move the junction of sword 206 and main shaft pole 2 and scribble congealing resin 204 certainly, install on main shaft pole 2 simultaneously and prevent moving back a body 201, can prevent in the use and move back a phenomenon, aim at spacing spout 104 on the knife rest 1 with spacing fixture block 102 on the fixed inserted bar 101 again and insert logical groove 103, fixed inserted bar 101 is rotated to another direction and makes spacing fixture block 102 and fixed draw-in groove 105 joint, guarantees the fastness of stationary knife 205 installation use, has improved the practicality of structure.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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 (5)

1. Reduce resistance and promote efficiency and prevent moving back a silk fastening structure, include knife rest (1), main shaft pole (2), stationary knife (205) and move sword (206), its characterized in that: the top of knife rest (1) one side is equipped with the screw hole through spacing spout (104) and fixed slot (105), and stationary knife (205) have the screw eye, then the screw fixation, and runs through on stationary knife (205) and install fixed inserted bar (101), be equipped with spacing fixture block (102) that the cooperation was used on fixed inserted bar (101), the top fixed mounting of knife rest (1) has spindle shaft (2), and is equipped with on spindle shaft (2) and prevents moving back a body (201), the one end fixed mounting in proper order of spindle shaft (2) has flat shaft bearing (202) and round pin cap (203), the other end of spindle shaft (2) is equipped with the cooperation with flat shaft bearing (202) and the junction of knife rest (1) and moves back the screw from congealing resin (204) and injecing, run through on spindle shaft (2) and install stationary knife (205) and move sword (206) and pendulum tooth (107).

2. The resistance-reducing performance-enhancing anti-drop wire fastening structure as claimed in claim 1, wherein: and through grooves (103) matched with the fixed inserted rods (101) are formed in the tool rest (1) and the fixed tool (205).

3. The resistance-reducing performance-enhancing anti-drop wire fastening structure as claimed in claim 1, wherein: the bottom of the tool rest (1) is fixedly provided with a mounting block (106) which is used in a matched mode, and an anti-slip sleeve which is used in a matched mode is arranged on the mounting block (106).

4. The resistance-reducing performance-enhancing anti-drop wire fastening structure as claimed in claim 1, wherein: and a fixed cutter fixing wire (207) which is matched with the fixed cutter for use is fixedly arranged at the joint of the fixed cutter (205) and the cutter rest (1).

5. The resistance-reducing performance-enhancing anti-drop wire fastening structure as claimed in claim 1, wherein: and a fastening bolt matched with the main shaft rod (2) is arranged at the joint of one side of the main shaft rod and one side of the tool rest (1).

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