CN203125412U - Micro torsional screwdriver - Google Patents

Micro torsional screwdriver Download PDF

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Publication number
CN203125412U
CN203125412U CN 201320151900 CN201320151900U CN203125412U CN 203125412 U CN203125412 U CN 203125412U CN 201320151900 CN201320151900 CN 201320151900 CN 201320151900 U CN201320151900 U CN 201320151900U CN 203125412 U CN203125412 U CN 203125412U
Authority
CN
China
Prior art keywords
screwdriver
torsion
torsional
head
driving
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.)
Expired - Fee Related
Application number
CN 201320151900
Other languages
Chinese (zh)
Inventor
刘明记
陈宝生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
XIAMEN TONGFENG MACHINERY CO Ltd
Original Assignee
XIAMEN TONGFENG MACHINERY CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by XIAMEN TONGFENG MACHINERY CO Ltd filed Critical XIAMEN TONGFENG MACHINERY CO Ltd
Priority to CN 201320151900 priority Critical patent/CN203125412U/en
Application granted granted Critical
Publication of CN203125412U publication Critical patent/CN203125412U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a micro torsional screwdriver which comprises a torsional screwdriver body. The torsional screwdriver body comprises a torsional driving part, a torsional adjusting part and a torsional display part. The micro torsional screwdriver is characterized in that the torsional driving part comprises a driving head and a torsional screwdriver head. The driving head comprises a front end sleeve. The torsional screwdriver head is connected with the front end sleeve. According to the micro torsional screwdriver provided by the utility model, a transitional sleeve is cancelled, and the torsional screwdriver head is connected with the front end sleeve of the driving head, so that the manufacturing cost is greatly lowered, the connecting length of the torsional screwdriver head is shortened, and the stability in the using process is increased. In addition, as a strong magnet is pre-built in the sleeve of the driving head, the torsional screwdriver head can be conveniently and quickly switched in use, so that the demand for different torsional screwdriver heads for pre-tightening can be met, therefore, the assembly efficiency is greatly improved. The micro torsional screwdriver has the advantages of simple structure, low manufacturing cost and high practicality, and is suitable for launching on the market on a large scale and the like.

Description

A kind of miniature torsion screwdriver
Technical field
The utility model relates to the torsion screwdriver field, refers in particular to a kind of miniature torsion screwdriver.
Background technology
Torsion screwdriver, in our work, life is used very extensively and frequently, progress along with industrial technology, the quality requirement of industry assembling is more and more higher, the size of bolt pretightening directly influences the end product quality after the assembling, some high-end electrical equipment particularly, instrument, in the production application of precision instrument, small-sized spare and accessory parts (or plastics, copper, the assembling of aluminium alloy requires high especially to assembly crewman's assembling experience (tightening feel), too tightly then may cause screw thread to draw tooth, can't dismantle, cause the monoblock parts to scrap, cause very big waste for the production cost of enterprise; Too pine then can influence the quality of assembling back product, and the after-sale service of producing to enterprise increases expense, and therefore common torsion screwdriver can not satisfy the demand of assembly quality in the modern industry science and technology far away.
Presetting system torsion screwdriver in the market, complex structure, the production cost height, expensive, and in actual use, the torsion screwdriver head is all wanted to use transition sleeve, just increased the unstability of use, efficiency of assembling is low, so the market active demand is a kind of simple in structure, cheap, be fit to the miniature torsion screwdriver of batch production type to adapt to the needs of modern science and technology industrial development.
Summary of the invention
At shortcoming provides a kind of simple in structure, low cost of manufacture and miniature torsion screwdriver easy to use such as existing torsion screwdriver structure complexity, use instability, efficiency of assembling be low.
For achieving the above object, the technical scheme that the utility model proposes is: a kind of miniature torsion screwdriver, comprise the torsion screwdriver body, described torsion screwdriver body comprises torsion drive part, torsion adjustment member and torsion display part, it is characterized in that: described torsion drive part comprises driving head and torsion screwdriver head, described driving head comprises a front end sleeve, and described torsion screwdriver head is connected with the front end sleeve.
Further, described miniature torsion screwdriver is steel ball trip stop idle rotation type torsion screwdriver.
Preferably, be provided with a strong magnets in the described front end sleeve.
Further, be provided with the body stopper slot in the described torsion screwdriver body.
Further, described torsion drive part comprises a torsion driving body, and described torsion driving body is provided with steel ball spline groove.
Adopt technique scheme, miniature torsion screwdriver described in the utility model has been cancelled transition sleeve, direct and the driving head front end sleeve binding of torsion screwdriver head, greatly reduce manufacturing cost, and shortened the length that is connected with the torsion screwdriver head, increased the stability in the use, in addition owing in the driving head sleeve, preset strong magnets in advance, in use can make things convenient for, fast speed switches the torsion screwdriver head, to the demand of different torsion screwdriver heads, improved efficiency of assembling greatly when satisfying pretension; Have simple in structure, low cost of manufacture, the practicality height, advantage such as be fit to put goods on the market in enormous quantities.
Description of drawings
Fig. 1 is miniature torsion screwdriver schematic diagram described in the utility model;
Fig. 2 is miniature torsion screwdriver cutaway view described in the utility model;
Fig. 3 is the A-A cutaway view of Fig. 2;
Wherein: 1. strong magnets, 2. ball base, 3. first steel ball, 4. torsion driving body, 5. first elastic component, 6. adjustment screw rod, 7. and tight bolt, 8. second elastic component, 9. pad, 10. screw, 11. second steel ball, 12. the 3rd elastic component, 13. adjusting push rod, 14. anti-tooth nut, 15. driving head, 16. torsion screwdriver body, 17. unit indicateing arm, 18. calibration indicator sign, 19. drive lid, 20. end cap, 21. torsion screwdriver head, 22. body stopper slot, 23. steel ball spline groove.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
As Figure 1-3, miniature torsion screwdriver described in the utility model comprises torsion drive part, torsion adjustment member and torsion display part;
Wherein: the torsion drive part is mainly by driving head 15 tail ends the 3rd elastic component 12 of packing into, reinstall second steel ball 11 on it, torsion driving body 4, torsion driving body 4, driving head 15 is by second steel ball, 11 splines, first steel ball 3 is contained in the ball base 2, ball base 2 is by body stopper slot 22 splines, ball base 2 drives first steel ball 3 and slips in another displacement slot from the steel ball spline groove 23 on the torsion driving body 4 when being subjected to torsion, and send " patter " prompting sound, driving head 15 comprises a front end sleeve, torsion screwdriver head 22 is connected with the front end sleeve, driving head front end precompressed strong magnets 1 is for switching the torsion screwdriver head fast;
The torsion adjustment member mainly screws in anti-tooth nut 14 by regulating push rod 13 head ends, regulating push rod 13 is connected by first elastic component 5 with the torsion drive part, tail end passes through to adjust screw rod 6 and also tight bolt 7 is spacing in axial assembling in torsion screwdriver body 16, torsion screwdriver body 16 afterbodys are packed into to drive and are covered 19, drive cover 19 with adjusting push rod 13, torsion screwdriver body 16 connects by spline, driving is covered 19 and can be moved axially and rotate in a circumferential direction in certain scope, so that fixing after adjustment torsion and the setting of power value, drive cover 19 by second elastic component, 8 pads 9 and screw 10 pretensions at the afterbody of regulating push rod 13, cover 19 tail end in driving again behind the pretension and be pressed into end cap 20;
The torsion display part mainly is made up of unit indicateing arm 17 and calibration indicator sign 18, the power value is set when reading, by the mobile anti-tooth nut 14 that is contained in torsion screwdriver body 16 inside, index line on anti-tooth nut 14 and calibration indicator sign 18 corresponding scale values are alignd, and can finish the setting of power value and read.
The operation principle of miniature torsion screwdriver described in the utility model is:
Cover 19 by pulling back to drive, drive built-in spline disengagement cover 19 torsion screwdriver body 16, this moment rotation drive cover 19 with regulate push rod 13 and connect to drive by spline and regulate push rod 13 and rotate, adjusting push rod 13 front end screw rods drive anti-tooth nut 14 and move axially, and then compressing first elastic component 5, the index line on anti-tooth nut 14 aligns with required scale index line.So far, drive and cover 19 under the effect of second elastic component 8, drive and to cover 19 external spline and the built-in spline of torsion screwdriver body 16 meshes again, thereby the position locking with anti-tooth nut, prevent that regulating push rod 13 rotations when stressed in the course of the work causes anti-tooth nut 14 displacements, cause power value deviation, so far finish miniature torsion screwdriver to the setting of torsion;
During work, the shell of holding torsion screwdriver body 16 rotates, after reaching required torsion, ball base 2 enter next steel bead groove with first steel ball 3 by the steel bead groove on the torsion driving body and can send " patter " prompting sound, illustrate that pretightning force has reached the power value that we set this moment;
Readjust the coupling mechanism force value of torsion screwdriver as need, only need pull back index line to the corresponding power value alignment that bonnet adjusts on the anti-tooth nut again and get final product.
Miniature torsion screwdriver described in the utility model has been cancelled transition sleeve, direct and the driving head front end sleeve binding of torsion screwdriver head, greatly reduce production cost, preset strong magnets in the driving head sleeve in advance, shortened the length of torsion screwdriver head, increased the stability in the use, in addition owing in the driving head sleeve, preset strong magnets in advance, in use can make things convenient for, fast speed is switched the torsion screwdriver head, to the demand of different torsion screwdriver heads, has simple in structure simultaneously when satisfying pretension, low cost of manufacture, the practicality height is fit to put goods on the market in enormous quantities and the power value is set simple and convenient, advantages such as numerical value reads intuitively, and is accurate.
Although specifically show and introduced the utility model in conjunction with preferred embodiment; but the those skilled in the art should be understood that; in not breaking away from the spirit and scope of the present utility model that appended claims limits; in the form and details the utility model is made a variety of changes, be protection domain of the present utility model.

Claims (5)

1. miniature torsion screwdriver, comprise the torsion screwdriver body, described torsion screwdriver body comprises torsion drive part, torsion adjustment member and torsion display part, it is characterized in that: described torsion drive part comprises driving head and torsion screwdriver head, described driving head comprises a front end sleeve, and described torsion screwdriver head is connected with the front end sleeve.
2. a kind of miniature torsion screwdriver according to claim 1, it is characterized in that: described miniature torsion screwdriver is steel ball trip stop idle rotation type torsion screwdriver.
3. a kind of miniature torsion screwdriver according to claim 1 is characterized in that: be provided with a strong magnets in the described front end sleeve.
4. a kind of miniature torsion screwdriver according to claim 1 is characterized in that: be provided with the body stopper slot in the described torsion screwdriver body.
5. a kind of miniature torsion screwdriver according to claim 1, it is characterized in that: described torsion drive part comprises a torsion driving body, described torsion driving body is provided with steel ball spline groove.
CN 201320151900 2013-03-29 2013-03-29 Micro torsional screwdriver Expired - Fee Related CN203125412U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320151900 CN203125412U (en) 2013-03-29 2013-03-29 Micro torsional screwdriver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320151900 CN203125412U (en) 2013-03-29 2013-03-29 Micro torsional screwdriver

Publications (1)

Publication Number Publication Date
CN203125412U true CN203125412U (en) 2013-08-14

Family

ID=48933432

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320151900 Expired - Fee Related CN203125412U (en) 2013-03-29 2013-03-29 Micro torsional screwdriver

Country Status (1)

Country Link
CN (1) CN203125412U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110119023A (en) * 2019-06-16 2019-08-13 福建福光股份有限公司 6000000 high-resolution zoom camera lenses

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110119023A (en) * 2019-06-16 2019-08-13 福建福光股份有限公司 6000000 high-resolution zoom camera lenses

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130814

Termination date: 20200329