CN202878204U - Improved handheld electric screwdriver structure - Google Patents
Improved handheld electric screwdriver structure Download PDFInfo
- Publication number
- CN202878204U CN202878204U CN 201220529306 CN201220529306U CN202878204U CN 202878204 U CN202878204 U CN 202878204U CN 201220529306 CN201220529306 CN 201220529306 CN 201220529306 U CN201220529306 U CN 201220529306U CN 202878204 U CN202878204 U CN 202878204U
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- electric screwdriver
- movable sleeve
- screwdriver head
- main body
- head
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Abstract
The utility model discloses an improved handheld electric screwdriver structure which comprises an electric screwdriver main body, a screwdriver bit, a movable sleeve, a handle and an electric screwdriver head. A concave cavity which enables the front end of the electric screwdriver main body to be embedded in is concavely arranged at the rear end of the electric screwdriver head. A spring is arranged according to the electric screwdriver head. Therefore, through the arrangement of the concave cavity concavely arranged at the rear end of the electric screwdriver head, and the front end of the electric screwdriver main body can be embedded into the concave cavity in the axial movement process of the electric screwdriver head, the length of a product mechanism is shortened, movement space of the electric screwdriver head is greatly increased, and the extension of the screwdriver bit is more longer so as to carry out assembling to a deep hole screw. Thought the arrangement of the movable sleeve, the movable sleeve can be sleeved outside the front end of the electric screwdriver main body along the electric screwdriver main body in an axially movable mode, and the movable sleeve is matched with the electric screwdriver head which can be sleeved in the movable sleeve along the axial direction of the movable sleeve to move back and forth, so the improved handheld electric screwdriver structure achieves a three-section connection mode, shortens the time of downward pressing, shortens the locking and attaching time of a product, and further is favorable for improving capacity.
Description
Technical field
The utility model relates to electric lock screw device art, refers in particular to a kind of Handheld electric screwdriver structure of improvement.
Background technology
Electric screwdriver also is electric screw driver or electric screw driver (electric screwdriver), it is a kind of electric tool be used to tightening and unscrew screw and using, this electric tool is equipped with the mechanism of adjusting and torque limiting, generally is used for assembly line, is one of instrument of most of manufacturing enterprise indispensability.
As depicted in figs. 1 and 2, the primary structure of existing electric screwdriver include electric screwdriver main body 10 ', screwdriver head 20 ', handle 30 ' and electric screwdriver head 40 '; This screwdriver head 20 ' be installed on electric screwdriver main body 10 ' front end, this electric screwdriver main body 10 ' drive screwdriver head 20 ' rotation, to lock screw or to loosen the screw a little, this handle 30 ' the rear end be set in electric screwdriver main body 10 ' outer and with electric screwdriver main body 10 ' be fixedly connected with, this handle 30 ' front end sleeve is loaded on electric screwdriver head 40 ' outer, this electric screwdriver head 40 ' can be arranged at axially and movably electric screwdriver main body 10 ' front end, this electric screwdriver head 40 ' on be provided with feed channel 401 for screwdriver head 20 ' pass ', this electric screwdriver head 40 ' the side on be provided be communicated with feed channel 401 ' feeding tracheae 50 ', and this electric screwdriver head 40 ' on be provided with screw fixture block 60 ', this screw fixture block 60 ' by screw be installed on electric screwdriver head 40 ' on; For this electric screwdriver head 40 ' be provided with spring 70 ', this spring 70 ' be butted on electric screwdriver head 40 ' and electric screwdriver main body 10 ' between.During use, by a screw 101 of feeding tracheae 50 ' send into ', hand grip 30 ' so that screwdriver head 20 ' be butted on screw 101 ' head, and realize locking screw by electric screwdriver main body 10 ' drives screwdriver head 10 ' rotations and move.
Above-mentioned existing electric screwdriver structure, though can offer the effect that the user locks screw and loosens the screw a little, really has progressive, but when using, reality but finds still to have many deficiencies on himself structure and the serviceability, cause existing electric screwdriver structure in practical application, fail to reach best result of use and task performance, now its shortcoming be summarized as follows:
This electric screwdriver head is up and down in handle, adds size behind the spring-compressed, so that the space alive of electric screwdriver head is too little, screwdriver head stretches out the screw fixture block and falls short of, and causes the deep hole product can't lock screw; In addition; The profile of existing electric screwdriver is oversize, and operational stroke is long, and it is long to press down the time, and the inconvenient operation production capacity is low.
The utility model content
In view of this, the utility model is for the disappearance of prior art existence, its main purpose provides a kind of Handheld electric screwdriver structure of improvement, and it can effectively solve, and the electric screwdriver head activity space of existing electric screwdriver is too little to be caused screwdriver head to stretch out falling short of locking to the deep hole product problem of screw.
For achieving the above object, the utility model adopts following technical scheme:
A kind of Handheld electric screwdriver structure of improvement includes electric screwdriver main body, screwdriver head, movable sleeve, handle and electric screwdriver head; This screwdriver head is installed on the front end of electric screwdriver main body, and this electric screwdriver main body drives screwdriver head and rotates; This movable sleeve can be outside the electric screwdriver main body be set in the front end of electric screwdriver main body axially and movably; This grip is loaded on outside the movable sleeve and with the electric screwdriver main body and is fixedly connected with; This electric screwdriver head can be set in the movable sleeve along movable sleeve with axially moving around, the front end of this electric screwdriver head stretches out forward movable sleeve movably, the rear end of this electric screwdriver head is concaved with the cavity that embeds for the electric screwdriver body front end, axially offer the feed channel that passes for screwdriver head on this electric screwdriver head, and be provided with the feed pipe that enters for screw on the side of this electric screwdriver head, this feed pipe is communicated with feed channel; And, being provided with the spring that impels electric screwdriver head to stretch out forward movable sleeve for this electric screwdriver head, this spring is butted between the front end of the rear end of electric screwdriver head and electric screwdriver main body.
As a kind of preferred version, axially be provided with the first slot to make way that embeds for feed pipe on the described movable sleeve, axially be provided with the second slot to make way that embeds for feed pipe on this handle.
As a kind of preferred version, axially be provided with the first stopper slot on the lateral surface of described movable sleeve, be provided with on this handle and prevent that movable sleeve from stretching out forward the first alignment pin that breaks away from handle, this first alignment pin stretches in this first stopper slot; Axially be provided with the second stopper slot on the lateral surface of this electric screwdriver head, be provided with on this movable sleeve and prevent that electric screwdriver head from stretching out forward the second alignment pin that breaks away from movable sleeve, this second alignment pin stretches in this second stopper slot.
As a kind of preferred version, described the first alignment pin and the second alignment pin are screw.
As a kind of preferred version, described electric screwdriver head includes screwdriver bit seat, connector and two-screw fixture block; Aforementioned feed channel runs through this screwdriver bit seat and connector, and this connector is fixed in screwdriver bit seat front end, and the radially both sides of this connector are provided with the opening suitable with the screw fixture block; This two-screw fixture block is positioned on the connector by O type delineation, each screw fixture block has included clamping part, location division and articulated section, this clamping part passes corresponding opening and stretches in the feed channel, this articulated section is embedded on the connector, be concaved with half slot on this location division, this O type snare is loaded on the lateral surface of this half slot and connector.
As a kind of preferred version, described connector and screwdriver bit seat are screwed together fixing.
As a kind of preferred version, be provided with the chamfering that positions and lead for to screw on the clamping part of described each screw fixture block.
As a kind of preferred version, described feed pipe is fixed on the electric screwdriver head by the mode of welding.
As a kind of preferred version, described feed pipe is connected with transparent feeding tracheae.
As a kind of preferred version, the rear end of described handle and electric screwdriver main body are screwed together fixing.
The utility model compared with prior art has obvious advantage and beneficial effect, particularly, and as shown from the above technical solution:
One, is arranged with cavity by the rear end in electric screwdriver head, utilize this electric screwdriver head axially in the movable process this electric screwdriver body front end can embed in this cavity, shortened product construction length, and so that the activity space of electric screwdriver head greatly increase, the extension elongation of screwdriver head is longer, can assemble the deep hole screw; By being provided with movable sleeve, utilize this movable sleeve can be outside the electric screwdriver main body is set in the front end of electric screwdriver main body axially and movably, and cooperate this electric screwdriver head to be set in the movable sleeve along movable sleeve with axially moving around, realize the mode that three joints connect with this, so that the time that presses down is shorter, lock the product time shorten, thereby be conducive to improve production capacity.
Two, by utilizing O type circle that the screw fixture block is positioned on the connector, replaced the mode of installing by screw of tradition, so that the fixed form of screw fixture block is simpler, thus so that the installation of product, dismounting and safeguard convenient.
For more clearly setting forth architectural feature of the present utility model and effect, come the utility model is elaborated below in conjunction with accompanying drawing and specific embodiment:
Description of drawings
Fig. 1 is the assembling stereogram of the electric screwdriver structure of tradition;
Fig. 2 is the sectional view of the electric screwdriver structure of tradition;
The assembling schematic perspective view of the preferred embodiment of Fig. 3 the utility model;
Fig. 4 is the partial enlarged drawing of Fig. 3;
Fig. 5 is the exploded view of the preferred embodiment of the utility model;
Fig. 6 is the sectional view of the preferred embodiment of the utility model.
The accompanying drawing identifier declaration:
10 ', electric screwdriver main body 20 ', screwdriver head
30 ', handle 40 ', electric screwdriver head
401 ', feed channel 50 ', the feeding tracheae
60 ', screw fixture block 70 ', spring
101 ', screw 10, electric screwdriver main body
20, screwdriver head 30, movable sleeve
301, the first stopper slot 302, the first slot to make way
40, handle 401, the second slot to make way
50, electric screwdriver head 51, screwdriver bit seat
52, connector 53, screw fixture block
531, clamping part 532, location division
533, articulated section 54, O type circle
501, cavity 502, feed channel
503, opening 504, half slot
505, chamfering 506, the second stopper slot
60, feed pipe 70, transparent feeding tracheae
80, spring 101, screw
The specific embodiment
Please refer to Fig. 3 to shown in Figure 6, the concrete structure that it has demonstrated the preferred embodiment of the utility model includes electric screwdriver main body 10, screwdriver head 20, movable sleeve 30, handle 40 and electric screwdriver head 50.
Wherein, this electric screwdriver main body 10 provides power for the lock screw with loosening the screw a little.
This screwdriver head 20 is used for directly contacting with screw, and this screwdriver head 20 is installed on the front end of electric screwdriver main body 10, and this electric screwdriver main body 10 drives screwdriver head 20 forward rotation or backward rotation, to realize the lock screw or to loosen the screw a little.
This movable sleeve 30 can be outside electric screwdriver main body 10 be set in the front end of electric screwdriver main body 10 axially and movably, the internal diameter matched in clearance of the external diameter of this movable sleeve 30 and handle 40, and the internal diameter of movable sleeve 30 cooperates with electric screwdriver head 50 crest clearances.
This handle 40 is set in outside the movable sleeve 30 and with electric screwdriver main body 10 and is fixedly connected with, and in the present embodiment, the rear end of this handle 40 and electric screwdriver main body 10 are screwed together fixing, and the front inner diameter of handle 40 cooperates with movable sleeve 30 crest clearances.
This electric screwdriver head 50 can be set in the movable sleeve 30 along movable sleeve 30 with axially moving around, the front end of this electric screwdriver head 50 stretches out forward movable sleeve 30 movably, the rear end of this electric screwdriver head 50 is concaved with the cavity 501 that embeds for electric screwdriver main body 10 front ends, so that the activity space of electric screwdriver head 50 increases greatly, the front end chuck matched in clearance of this cavity 501 and electric screwdriver main body 10, so that but the front end chuck of electric screwdriver main body 10 can axially move in cavity and the radial rotary motion, axially offer the feed channel 502 that passes for screwdriver head 20 on this electric screwdriver head 50, and be provided with the feed pipe 60 that enters for screw 101 on the side of this electric screwdriver head 50, this feed pipe 60 is communicated with feed channel 502, in the present embodiment, this feed pipe 60 is fixed on the electric screwdriver head 50 by the mode of welding, and this feed pipe 60 is connected with transparent feeding tracheae 70, and this transparent feeding tracheae 70 is used for screw 101 is sent into feed channel 502; And, being provided with the spring 80 that impels electric screwdriver head 50 to stretch out forward movable sleeve for this electric screwdriver head 50, this spring 80 is butted between the front end of the rear end of electric screwdriver head 50 and electric screwdriver main body 10, and after screw 101 was forced out, spring 80 restPosed rapidly.
Specifically say that this electric screwdriver head 50 includes screwdriver bit seat 51, connector 52 and two-screw fixture block 53; Aforementioned feed channel 502 runs through this screwdriver bit seat 51 and connector 52, this connector 52 is fixed in screwdriver bit seat 51 front ends, in the present embodiment, this connector 52 is connected and fixed by mode and the screwdriver bit seat 51 that screws togather, easy assembly and disassembly, the radially both sides of this connector 52 are provided with the opening 503 suitable with screw fixture block 53; This two-screw fixture block 53 is positioned on the connector 52 by an O type circle 54, each screw fixture block 53 has included clamping part 531, location division 532 and articulated section 533, this clamping part 531 passes corresponding opening 503 and stretches in the feed channel 502, this articulated section 533 is embedded on the connector 52, be concaved with half slot 504 on this location division 532, this O type circle 54 is set on the lateral surface of this half slot 504 and connector 52,54 pairs of screw fixture blocks 53 of this O type circle can play the effect of elastic tension, with this so that screw fixture block 53 be fixed on the connector 52, simple in structure, dismounting, assembling and easy to maintenance; And, be provided with the chamfering 505 that positions and lead for to screw 101 on the clamping part 531 of each screw fixture block 53.
And, axially be provided with the first stopper slot 301 on the lateral surface of this movable sleeve 30, in the present embodiment, the lateral surface of this movable sleeve 30 radially both sides is provided with two aforementioned the first stopper slots 301, the quantity of the first stopper slot 301 is not limit, corresponding each first stopper slot 301 is provided with on this handle 40 and prevents that movable sleeve 30 from stretching out forward the first alignment pin (not shown) that breaks away from handle 40, this first alignment pin stretches in this first stopper slot 301, cooperate by this first alignment pin and the first stopper slot 301, so that movable sleeve 30 relative handles 40 can move axially and can not spin; Axially be provided with the second stopper slot 506 on the lateral surface of this electric screwdriver head 50, be provided with on this movable sleeve 30 and prevent that electric screwdriver head 50 from stretching out forward the second alignment pin (not shown) that breaks away from movable sleeve 30, this second alignment pin stretches in this second stopper slot 506, cooperate by this second alignment pin and the second stopper slot 506, so that electric screwdriver head 50 relative movable sleeves 30 can move axially and can not spin; And aforementioned the first alignment pin and the second alignment pin are the M3 screw, not to be limited.
In addition, axially be provided with the first slot to make way 302 that embeds for aforementioned feed pipe 60 on this movable sleeve 30, utilize this first slot to make way 302 to dodge the space for feed pipe 60 provides with electric screwdriver head 50 axial activities, axially be provided with the second slot to make way 401 that embeds for feed pipe 60 on this handle 40, utilize this second slot to make way 401 to dodge the space for feed pipe 60 provides with electric screwdriver head 50 axial activities.
During use, send into a screw 101 by feed pipe 60 toward feed channel 502 by transparent feeding tracheae 70, screw 101 is also clamped and is positioned between the two-screw fixture block 53, this moment, hand grip 40 was so that the head that screwdriver head 20 is butted on screw 101 extrudes screw 101, and drove screwdriver head by the electric screwdriver main body and rotated and realize screw 101 is lock onto on the outside workpiece.
Design focal point of the present utility model is: at first, be arranged with cavity by the rear end in electric screwdriver head, utilize this electric screwdriver head axially in the movable process this electric screwdriver body front end can embed in this cavity, shortened product construction length, and so that the activity space of electric screwdriver head greatly increase, the extension elongation of screwdriver head is longer, can assemble the deep hole screw; By being provided with movable sleeve, utilize this movable sleeve can be outside the electric screwdriver main body is set in the front end of electric screwdriver main body axially and movably, and cooperate this electric screwdriver head to be set in the movable sleeve along movable sleeve with axially moving around, realize the mode that three joints connect with this, so that the time that presses down is shorter, lock the product time shorten, thereby be conducive to improve production capacity.Secondly, by utilizing O type circle the screw fixture block is positioned on the connector, has replaced the mode by the screw installation of tradition, so that the fixed form of screw fixture block is simpler, thus so that the installation of product, dismounting and safeguard convenient.
The above, it only is preferred embodiment of the present utility model, be not that technical scope of the present utility model is imposed any restrictions, so every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any trickle modification, equivalent variations and modification that above embodiment does.
Claims (10)
1. the Handheld electric screwdriver structure of an improvement is characterized in that: include electric screwdriver main body, screwdriver head, movable sleeve, handle and electric screwdriver head; This screwdriver head is installed on the front end of electric screwdriver main body, and this electric screwdriver main body drives screwdriver head and rotates; This movable sleeve can be outside the electric screwdriver main body be set in the front end of electric screwdriver main body axially and movably; This grip is loaded on outside the movable sleeve and with the electric screwdriver main body and is fixedly connected with; This electric screwdriver head can be set in the movable sleeve along movable sleeve with axially moving around, the front end of this electric screwdriver head stretches out forward movable sleeve movably, the rear end of this electric screwdriver head is concaved with the cavity that embeds for the electric screwdriver body front end, axially offer the feed channel that passes for screwdriver head on this electric screwdriver head, and be provided with the feed pipe that enters for screw on the side of this electric screwdriver head, this feed pipe is communicated with feed channel; And, being provided with the spring that impels electric screwdriver head to stretch out forward movable sleeve for this electric screwdriver head, this spring is butted between the front end of the rear end of electric screwdriver head and electric screwdriver main body.
2. the Handheld electric screwdriver structure of improvement according to claim 1 is characterized in that: axially be provided with the first slot to make way that embeds for feed pipe on the described movable sleeve, axially be provided with the second slot to make way that embeds for feed pipe on this handle.
3. the Handheld electric screwdriver structure of improvement according to claim 1, it is characterized in that: axially be provided with the first stopper slot on the lateral surface of described movable sleeve, be provided with on this handle and prevent that movable sleeve from stretching out forward the first alignment pin that breaks away from handle, this first alignment pin stretches in this first stopper slot; Axially be provided with the second stopper slot on the lateral surface of this electric screwdriver head, be provided with on this movable sleeve and prevent that electric screwdriver head from stretching out forward the second alignment pin that breaks away from movable sleeve, this second alignment pin stretches in this second stopper slot.
4. the Handheld electric screwdriver structure of improvement according to claim 3, it is characterized in that: described the first alignment pin and the second alignment pin are screw.
5. the Handheld electric screwdriver structure of improvement according to claim 1, it is characterized in that: described electric screwdriver head includes screwdriver bit seat, connector and two-screw fixture block; Aforementioned feed channel runs through this screwdriver bit seat and connector, and this connector is fixed in screwdriver bit seat front end, and the radially both sides of this connector are provided with the opening suitable with the screw fixture block; This two-screw fixture block is positioned on the connector by O type delineation, each screw fixture block has included clamping part, location division and articulated section, this clamping part passes corresponding opening and stretches in the feed channel, this articulated section is embedded on the connector, be concaved with half slot on this location division, this O type snare is loaded on the lateral surface of this half slot and connector.
6. the Handheld electric screwdriver structure of improvement according to claim 5, it is characterized in that: described connector and screwdriver bit seat are screwed together fixing.
7. the Handheld electric screwdriver structure of improvement according to claim 5 is characterized in that: be provided with the chamfering that positions and lead for to screw on the clamping part of described each screw fixture block.
8. the Handheld electric screwdriver structure of improvement according to claim 1 is characterized in that: described feed pipe is fixed on the electric screwdriver head by the mode of welding.
9. according to claim 1 or the Handheld electric screwdriver structure of 8 described improvement, it is characterized in that: described feed pipe is connected with transparent feeding tracheae.
10. the Handheld electric screwdriver structure of improvement according to claim 1, it is characterized in that: the rear end of described handle and electric screwdriver main body are screwed together fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220529306 CN202878204U (en) | 2012-10-16 | 2012-10-16 | Improved handheld electric screwdriver structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220529306 CN202878204U (en) | 2012-10-16 | 2012-10-16 | Improved handheld electric screwdriver structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202878204U true CN202878204U (en) | 2013-04-17 |
Family
ID=48069669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220529306 Expired - Fee Related CN202878204U (en) | 2012-10-16 | 2012-10-16 | Improved handheld electric screwdriver structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202878204U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109531125A (en) * | 2018-12-13 | 2019-03-29 | 广东锐军智能设备有限公司 | A kind of three-dimensional automatic locking screw machine |
-
2012
- 2012-10-16 CN CN 201220529306 patent/CN202878204U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109531125A (en) * | 2018-12-13 | 2019-03-29 | 广东锐军智能设备有限公司 | A kind of three-dimensional automatic locking screw machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20131016 |