CN216634176U - Screwdriver head with elastic grapple - Google Patents
Screwdriver head with elastic grapple Download PDFInfo
- Publication number
- CN216634176U CN216634176U CN202122411031.4U CN202122411031U CN216634176U CN 216634176 U CN216634176 U CN 216634176U CN 202122411031 U CN202122411031 U CN 202122411031U CN 216634176 U CN216634176 U CN 216634176U
- Authority
- CN
- China
- Prior art keywords
- grapple
- screwdriver
- elastic
- screw
- core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model discloses a screwdriver bit with an elastic grapple, which relates to the technical field of maintenance tools and is used for solving the problem of poor stability when a screwdriver screws, and the screwdriver bit with the elastic grapple comprises a screwdriver core, a screwdriver rod, an outer sleeve and an elastic grapple, wherein the screwdriver core is fixedly connected with the screwdriver rod, the screwdriver rod is provided with a bit, the screwdriver core is provided with a positioning screw and a positioning cap, a reset spring is arranged between the positioning screw and the positioning cap, the outer sleeve is in sliding connection with the screwdriver core, the outer sleeve is internally provided with a snap ring, the snap ring is sleeved on the screwdriver core, and the outer sleeve is connected with the elastic grapple, thereby, the utility model uses two sets of elastic grapples to match and grab the screw, improves the stability when the screw is tightened, does not need manual assistance and is not limited by the material of the screw, the auxiliary effect is good, and the screw can be screwed up more easily.
Description
Technical Field
The utility model relates to the technical field of maintenance tools, in particular to a screwdriver bit with an elastic grapple.
Background
The screw is a tool for fastening the parts of the object step by utilizing the physics and mathematical principles of the inclined circular rotation and friction of the object. Screws are the most commonly used fasteners used in a variety of products and structures. As is well known, the most commonly used tool for indexing screws is a screwdriver, and for the convenience of operation, the bit of the screwdriver is generally magnetic and is used for assisting in fixing screws. However, the magnetic screwdriver can only attract and fix the iron screw, and the non-magnetic stainless steel screw has no effect of magnetic attraction and fixation. Because the screw is usually tiny, does not have magnetic attraction to assist the screwdriver to carry out work, fix the screw just relatively difficultly like this, therefore most screwdrivers confine to can more convenient operation to the iron screw, twist stainless steel or other to the screw that magnetism does not have the effect, appear comparatively troublesome and labouring, poor stability when twisting the screw, need hold the screw with the hand and carry out manual fixation, inefficiency and some danger.
Therefore, in view of the defects of the above-mentioned solutions in actual manufacturing and implementation and use, the present invention is invented based on the spirit and concept of the solution, with the aid of professional knowledge and experience, and after many ingenuity and experiments, and provides a screwdriver bit with an elastic grapple, which is used to solve the problem of poor stability of the screwdriver during screwing.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a screwdriver bit with an elastic grapple, which is used for solving the problem of poor stability of a screwdriver during screwing in the prior art.
The technical scheme of the utility model is realized as follows: the utility model provides a screwdriver bit with elasticity grapple, includes screwdriver core, cutter arbor, outside sleeve pipe and elasticity grapple, the screwdriver core with cutter arbor fixed connection, be provided with the tool bit on the cutter arbor, be provided with set screw and location cap on the screwdriver core, be provided with reset spring between set screw and the location cap, outside sleeve pipe with screwdriver core sliding connection, the inside snap ring that is provided with of outside sleeve pipe, the snap ring cover is in on the screwdriver core, outside sleeve pipe is connected with the elasticity grapple, the elasticity grapple is provided with two altogether, two the elasticity grapple distributes on the relative both sides inner wall of outside sleeve pipe.
In a preferred embodiment, the positioning cap is arranged at the joint of the screwdriver core and the cutter bar.
In a preferred embodiment, a plurality of rivets are arranged between the elastic catch and the outer sleeve, said rivets serving to fix the elastic catch to the inner wall of the outer sleeve.
As a preferred embodiment, the elastic grapple comprises a fixing body, a connecting plate, a gripper plate and a gripper, wherein the head end and the tail end of the connecting plate are respectively fixedly connected with the fixing body and the gripper plate, the fixing body is fixed on the inner wall of the outer sleeve by using a rivet, the gripper is arranged at the tail part of the gripper plate, the gripper protrudes towards the direction of the clamping screw, one end of the connecting plate is fixedly connected with the fixing body, and the other end of the connecting plate inclines inwards towards the direction of the cutter bar.
In a preferred embodiment, the screwdriver core is hexagonal in shape.
In a preferred embodiment, the snap ring is located between the return spring and the positioning cap.
In a preferred embodiment, the inner diameter of the outer sleeve is larger than the diameter of the positioning cap, the inner diameter of the snap ring is smaller than the diameter of the positioning cap, the inner diameter of the outer sleeve is larger than the diameter of the positioning screw, and the diameter of the positioning cap is smaller than the distance between the two fixing bodies.
In a preferred embodiment, the screwdriver core is provided with an annular groove.
The utility model has the beneficial effects that:
the two groups of elastic grabbing hooks are matched to grab the screw, the stability of screwing the screw is improved under the clamping of the two groups of elastic grabbing hooks, manual assistance is not needed, the screw is not limited by screw materials, the assistance effect is good, and the screw can be screwed more easily. When the screw is screwed down, the stability of the screw is higher and higher along with the screwing of the screw, the assistance of the grapple is not needed, at the moment, the outer sleeve and the grapple move backwards to avoid the influence of the grapple on the further screwing of the screw by the screwdriver, and after the screw is screwed down, the outer sleeve and the grapple can return to the original positions under the action of the reset spring so as to be convenient for grabbing and clamping the next screw, and the use is convenient and smooth.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the structure of the elastic grapple of the present invention.
In the drawings, 1-screwdriver core; 2-positioning screws; 3-a snap ring; 4-riveting; 5-elastic grappling hook; 51-a stationary body; 52-a connecting plate; 53-gripper plate; 54-a gripper; 6-an annular groove; 7-a return spring; 8-a positioning cap; 9-an outer sleeve; 10-a cutter bar; 11-a tool bit.
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.
It should be noted that all directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature.
In the description of the embodiments, the terms "disposed," "connected," and the like are to be construed broadly unless otherwise explicitly specified or limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or through an intervening medium, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-2, a screwdriver bit 11 with an elastic grapple 5 comprises a screwdriver core 1, a screwdriver rod 10, an external sleeve 9 and an elastic grapple 5, wherein the screwdriver core 1 is fixedly connected with the screwdriver rod 10, the screwdriver rod 10 is provided with the screwdriver bit 11, the screwdriver core 1 is provided with a positioning screw 2 and a positioning cap 8, a reset spring 7 is arranged between the positioning screw 2 and the positioning cap 8, the external sleeve 9 is slidably connected with the screwdriver core 1, a snap ring 3 is arranged in the external sleeve 9, the snap ring 3 is sleeved on the screwdriver core 1, the external sleeve 9 is connected with the elastic grapple 5, the elastic grapple 5 is provided with two elastic grapples 5, and the two elastic grapples 5 are distributed on the inner walls of two opposite sides of the external sleeve 9. The relative positions here are based on the perspective of fig. 1.
The positioning cap 8 is arranged at the joint of the screwdriver core 1 and the screwdriver rod 10.
A plurality of rivets 4 are provided between the elastic catch 5 and the outer sleeve 9, each rivet 4 serving to fix the elastic catch 5 to the inner wall of the outer sleeve 9.
The elastic grab hook 5 comprises a fixed body 51, a connecting plate 52, a grab plate 53 and a grab 54, wherein the head end and the tail end of the connecting plate 52 are fixedly connected with the fixed body 51 and the grab plate 53 respectively, the fixed body 51 is fixed on the inner wall of the outer sleeve 9 by a rivet 4, the tail of the grab plate 53 is provided with the grab 54, the grab 54 protrudes towards the direction of clamping a screw, one end of the connecting plate 52 is fixedly connected with the fixed body 51, and the other end of the connecting plate 52 inclines inwards towards the direction of the cutter bar 10.
The screwdriver core 1 is hexagonal and matched with the core slot of the external screwdriver sleeve.
The snap ring 3 is positioned between the return spring 7 and the positioning cap 8, and the snap ring 3 can slide between the return spring 7 and the positioning cap 8.
The inner diameter of the outer sleeve 9 is larger than the diameter of the positioning cap 8, the inner diameter of the snap ring 3 is smaller than the diameter of the positioning cap 8, the inner diameter of the outer sleeve 9 is larger than the diameter of the positioning screw 2, and the diameter of the positioning cap 8 is smaller than the distance between the two fixing bodies 51.
The screwdriver core 1 is provided with an annular groove 6 which is used for being clamped with relevant parts of an external screwdriver sleeve.
The utility model is realized in the following way: the elastic grapple 5 is made of elastic stainless steel, and due to the structure and the arranged position of the elastic grapple 5, the elastic grapple 5 can easily grab the bolt, and the operation of screwing the bolt by using the screwdriver bit 11 is not needed to be manually centered, so that the efficiency is improved. When the device is used, a screw is placed in the two hand grips 54 at first, the two hand grips 54 clamp the screw under the action of external force to achieve the effect of stabilizing the screw, the screw stability is enhanced while the bolt is screwed, the hand grips 54 are not needed to assist the screw, and at the moment, under the action of the external force provided by manpower, the screwdriver core 1 and the outer sleeve 9 of the cutter bar 10 and the two elastic grappling hooks 5 move backwards relative to the screwdriver core and the cutter bar 10 to expose the cutter head 11, so that the screw can be further screwed. After the screw is screwed, the outer sleeve 9 together with the grapple will return to its original position under the action of the return spring 7. On the premise of not influencing the screwing operation of the screw, the screw machining auxiliary tool has a better auxiliary effect on the screw to be machined.
The utility model has the beneficial effects that:
the screw tightening device provided by the utility model has the advantages that the two groups of elastic grabbing hooks are matched to grab the screw, the stability during screw tightening is improved under the clamping of the two groups of grabbing hooks, manual assistance is not needed, the limitation of screw materials is avoided, the assistance effect is good, and the screw tightening is facilitated more easily. According to the utility model, when the screw is screwed down, the stability of the screw is higher and higher along with the screwing of the screw, the assistance of the grapple is not needed, at the moment, the outer sleeve 9 and the grapple move backwards to avoid the influence of the grapple on the further screwing of the screw by the screwdriver, and after the screw is screwed down, the outer sleeve 9 and the grapple return to the original positions under the action of the return spring 7, so that the next screw can be grabbed and clamped conveniently and smoothly.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein. In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on the realization of those skilled in the art; where combinations of features are mutually inconsistent or impractical, such combinations should not be considered as being absent and not within the scope of the claimed invention.
Claims (8)
1. The utility model provides a screwdriver bit with elasticity grapple, a serial communication port, including screwdriver core, cutter arbor, outside sleeve pipe and elasticity grapple, the screwdriver core with cutter arbor fixed connection, be provided with the tool bit on the cutter arbor, be provided with set screw and location cap on the screwdriver core, be provided with reset spring between set screw and the location cap, outside sleeve pipe with screwdriver core sliding connection, be provided with the snap ring in the outside sleeve pipe, the snap ring cover is in on the screwdriver core, outside sleeve pipe is connected with the elasticity grapple, the elasticity grapple is provided with two altogether, two the elasticity grapple distributes on the inside wall of the both sides that outside sleeve pipe is relative.
2. A screwdriver bit with elastic grapple as defined in claim 1, wherein said positioning cap is provided at the junction of the screwdriver bit and the bit.
3. Screwdriver bit with elastic grapple according to claim 1, characterized in that a plurality of rivets are provided between the elastic grapple and the outer sleeve, each rivet being used to fix the elastic grapple to the inner wall of the outer sleeve.
4. The screwdriver bit with the elastic grapple of claim 3, wherein the elastic grapple comprises a fixed body, a connecting plate, a grapple plate and a grapple, the head and the tail of the connecting plate are respectively fixedly connected with the fixed body and the grapple plate, the fixed body is fixed on the inner wall of the outer sleeve by a rivet, the grapple is arranged at the tail of the grapple plate, the grapple protrudes towards the direction of clamping the screw, one end of the connecting plate is fixedly connected with the fixed body, and the other end of the connecting plate inclines inwards towards the direction of the screwdriver rod.
5. The screwdriver bit with elastic grapple of claim 1, wherein the screwdriver core is hexagonal in shape throughout.
6. A screwdriver bit as claimed in claim 1, wherein said snap ring is located between the return spring and the locking cap.
7. Screwdriver bit with elastic grapple according to claim 4, characterized in that the inner diameter of said outer sleeve is greater than the diameter of said cap, the inner diameter of said snap ring is smaller than the diameter of said cap, the inner diameter of said outer sleeve is greater than the diameter of the set screw, and the diameter of said cap is smaller than the distance between two of said fixation bodies.
8. Screwdriver bit with elastic grapple according to claim 1, wherein said screwdriver core is provided with an annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122411031.4U CN216634176U (en) | 2021-09-30 | 2021-09-30 | Screwdriver head with elastic grapple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122411031.4U CN216634176U (en) | 2021-09-30 | 2021-09-30 | Screwdriver head with elastic grapple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216634176U true CN216634176U (en) | 2022-05-31 |
Family
ID=81729502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122411031.4U Active CN216634176U (en) | 2021-09-30 | 2021-09-30 | Screwdriver head with elastic grapple |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216634176U (en) |
-
2021
- 2021-09-30 CN CN202122411031.4U patent/CN216634176U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3805337A (en) | Spring wire hose clamp | |
| US5975297A (en) | Socket holding device | |
| US5492040A (en) | Dual wrench and method therefor | |
| US4813260A (en) | Multipurpose tube working tool | |
| CN208132808U (en) | A kind of sleeve and box spanner | |
| US4860618A (en) | Hand held wrench for helical spring type wire connectors | |
| CN216634176U (en) | Screwdriver head with elastic grapple | |
| CN216991681U (en) | Screwdriver head capable of fixing screws | |
| JP6468557B2 (en) | Bolt insertion aid and bolt holder | |
| CN211414952U (en) | Novel universal chain wrench | |
| CN211193053U (en) | Main shaft loosening and broaching tool mechanism and tool temporary storage mechanism thereof | |
| CN211332980U (en) | Screwdriver head with magnetic sleeve | |
| CN209349423U (en) | A kind of iron wire Binding appts. | |
| KR102682465B1 (en) | Clamping tool with magnet | |
| CN105382751B (en) | A kind of monodactyle formula spanner | |
| CN205817686U (en) | A kind of pipe vice spanner | |
| CN205600575U (en) | Portable multi -functional emergent spanner | |
| CN218234306U (en) | Telescopic rod fixing device with good stability | |
| CN212735664U (en) | Quick clamp with detachable handle | |
| US2859648A (en) | Clamp tightener | |
| CN213616177U (en) | Multifunctional sharp-nose pliers | |
| CN210968663U (en) | Multipurpose batch head clamp | |
| CN210968516U (en) | Self-locking pliers for nuclear power station maintenance | |
| CN216138844U (en) | Rotary tool | |
| CN215318347U (en) | Multi-directional wrench |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |