CN207495372U - A kind of quick ultra-thin spanner - Google Patents

A kind of quick ultra-thin spanner Download PDF

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Publication number
CN207495372U
CN207495372U CN201720476246.5U CN201720476246U CN207495372U CN 207495372 U CN207495372 U CN 207495372U CN 201720476246 U CN201720476246 U CN 201720476246U CN 207495372 U CN207495372 U CN 207495372U
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China
Prior art keywords
slot
rotational sleeve
wrench body
engaging
sliding slot
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Application number
CN201720476246.5U
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Chinese (zh)
Inventor
丛秀梅
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Weihai Jinde Tools Co.,Ltd.
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丛秀梅
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Priority to CN201720476246.5U priority Critical patent/CN207495372U/en
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Abstract

A kind of quick ultra-thin spanner, it is related to the extracting tool technical field of mechanical part, including wrench body and rotational sleeve, wrench body upper side is arc-shaped clamping sliding surface, the rotational sleeve is in interior Hexagonal jacket shape, the lateral wall of rotational sleeve is equipped with the engaging sliding slot of annular, rotational sleeve is connected to the upside of wrench body, U-shaped Location resilient piece is equipped in the engaging sliding slot of rotational sleeve, U-shaped Location resilient piece is fixedly connected with wrench body, ratchet slot is evenly equipped on the lateral wall of rotational sleeve, wrench body is equipped with mounting groove, it is equipped with and the matched pawl of ratchet slot in mounting groove.The utility model is simple in structure, easy to use, and handling speed is fast, and rotational sleeve forepart is ultra-thin, is used suitable for small space.

Description

A kind of quick ultra-thin spanner
Skill technical field
The present invention relates to the extracting tool technical fields of mechanical part, and it is a kind of simple in structure, easy to use to elaborate, dress It is fast to unload speed, rotational sleeve forepart is ultra-thin, the quick ultra-thin spanner used suitable for small space.
Background technology
It is known that in engineering field especially in mechanical engineering field, many places will use threaded connection, equipment Dismounting, repair use the dismounting that various spanners realize equipment in maintenance process, being often required to.Existing fast ratchet wrench structure It is varied, but there is complicated, spanner position front side wall thickness is big, volume is big, when use take up space it is big, it is uncomfortable It is used with small space.It is entitled filed in the 9 days October in 2014 announced such as State Intellectual Property Office:Ratchet spanner, patent Number patent of invention for being 201410529388.4, in disclosed ratchet spanner, head is equipped with accommodating hole, ratchet and other component It is matched to be rotatably mounted in accommodating hole, ratchet is axially positioned in the accommodating hole on head using positioning snap ring, is Ensureing the integral strength and installation space of spanner, the front side wall thickness of ratchet wrench head is big, the diameter of ratchet wrench head part is big, It is not suitable in small space carrying out disassembling operations to bolt or nut.U.S. Patent Office announce application No. is The patent application of US19940343238, entitled ratchetable open-ended wrench, use one with driving spring is homodromous stretches Contracting pawl come realize spanner can fast rotation, but it exists and pulls complicated at mouth, processing difficulties, scalable pawl diameter with Nut contact, fragile, reversion return process needs repeated multiple times movement that can just find suitable forced position, operating difficulties, It wastes time;At least 60 degree of rotating nut or nut are needed every time, can just carry out once inverting return operation, space needed for work Greatly, the scope of application is small.
Invention content
Present invention aim to address above-mentioned the deficiencies in the prior art, provide a kind of simple in structure, easy to use, handling speed Degree is fast, and rotational sleeve forepart is ultra-thin, and space is small needed for work, the wide quick ultra-thin spanner of the scope of application.
Technical solution is used by the present invention solves above-mentioned the deficiencies in the prior art:
A kind of quick ultra-thin spanner, it is characterised in that including wrench body and rotational sleeve, wrench body upper side is circle The clamping sliding surface of arc, the rotational sleeve are in interior Hexagonal jacket shape, and the lateral wall of rotational sleeve is equipped with the engaging of annular Sliding slot, rotational sleeve is matched through engaging sliding slot with clamping sliding surface, the upside for being connected to wrench body free to rotate, rotation U-shaped Location resilient piece is equipped in the engaging sliding slot of sleeve, the two-arm of U-shaped Location resilient piece is fixedly connected with the both sides of wrench body, will Rotational sleeve limits in wrench body, is only capable of to move radially again around own axis, on the lateral wall of rotational sleeve Ratchet slot is evenly equipped with, wrench body is equipped with mounting groove, is equipped with and the matched pawl of ratchet slot in mounting groove.
Heretofore described ratchet slot is that the engaging that at least side is plane is evenly equipped on the lateral wall of rotational sleeve Slot, sliding slot of the mounting groove to be equipped with upper end opening in wrench body, sliding slot is interior to be matched equipped with upper end with engaging slot Locking pin, being equipped with locking compression spring between sliding slot bottom surface on the downside of locking pin.When locking pin upper end matches engaging with engaging slot, One side of engaging slot is mutually connected with the side for being located at locking compression spring telescopic direction on locking pin, another side of engaging slot Face and mutually being connected positioned at the side of non-locking compression spring telescopic direction on locking pin.
Bottom is presented as arc, inverted isosceles trapezoid shape, arc-shaped card in heretofore described wrench body top The central angle corresponding to sliding surface is connect between 120-180 degree, U-shaped Location resilient piece is around engaging sliding slot to less half cycle.Make wrench portion Upside side wall it is ultra-thin, wrench portion small, be convenient to process and mount, structure is more firm.
At least eight engaging slot is circumferentially evenly equipped on the lateral wall of heretofore described rotational sleeve;It is preferred that 12-18.
Heretofore described engaging slot is distributed in engaging sliding slot.
Heretofore described wrench body lower part is equipped with connecting seat, and operation handle is connected on connecting seat.
The center line of heretofore described operation handle intersects with the axis of rotational sleeve, and the locking pin main body is in four Prism-shaped, the center line of the center line and operation handle of the sliding slot and locking pin is into 10-45 degree angles.
Heretofore described engaging slot is V-shaped, and two side angles of V-arrangement of V-type engaging slot are not less than 90 degree, preferably 90-100 degree.
The groove that it is plane on one side that heretofore described engaging slot, which is, and side arc surface is crossed to form.Between two faces Angle is not less than 90 degree.
Rotational sleeve at work, fastener to be loaded and unloaded is linked in through interior hexagonal by the present invention(The nut or spiral shell of bolt On mother), when rotating forward wrench body, pawl with it is current to ratchet slot lock, rotational sleeve be located in spanner Between main body and U-shaped Location resilient piece, continue to rotate forward spanner, fastener is exerted a force, fastened or dismantled;When the certain angle of rotation After degree, when rotating backward wrench body, pawl is detached from ratchet slot and crosses current ratchet slot, and rotational sleeve is in wrench body It is rotated between U-shaped Location resilient piece, after the ratchet slot for crossing suitable number, repeats the above-mentioned spanner that rotates forward and operate.This hair Bright structure due to rotational sleeve and its positioning carried out using U-shaped Location resilient piece, the upside side wall in wrench portion is ultra-thin, wrench Portion it is small, space is small needed for work, and the scope of application is wide.
Description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the structure diagram of rotational sleeve in the present invention.
Fig. 3 is the A-A sectional views of Fig. 2.
The structure diagram of locking pin in Fig. 4 present invention.
Specific embodiment
Quick ultra-thin spanner as shown in Figs 1-4, including wrench body 6 and rotational sleeve 2,6 upper side of wrench body is Arc-shaped clamping sliding surface, the rotational sleeve 2 are in interior Hexagonal jacket shape, and ring is circumferentially on the lateral wall of rotational sleeve 2 The engaging sliding slot 9 of shape, rotational sleeve 2 matches through engaging the clamping sliding surface of 6 upside of sliding slot 9 and wrench body, can be freely around oneself What body axis rotation cannot move axially is connected to upper, realization axially position, the engaging sliding slot of rotational sleeve 2 on the upside of wrench body U-shaped Location resilient piece 3 is equipped in 9, the two-arm of U-shaped Location resilient piece 3 is fixedly connected with the left and right sides of wrench body 6 through bolt 4, will Rotational sleeve limits in wrench body, is only capable of to move radially around own axis, the lateral wall of rotational sleeve Engaging 9 inner circumferential of sliding slot is evenly equipped at least eight engaging slot 1, and preferably 12-18 is a, it can be seen from the figure that the engaging of rotational sleeve Sliding slot inner circumferential is evenly equipped with 14 engaging slots 1.Only it need to rotate 26 degree or so every time, you can to carry out primary reversion return operation, Operating space is saved, is more suitable for the use of small space.The engaging slot is crossed to form recessed for a plane and an arc surface Slot.Angle between two faces is 95 degree, and requirement on machining accuracy is low, efficient.Engaging slot can also be the V intersected in two planes Type engaging slot.In wrench body open equipped with upper end, upper end be located on clamping sliding surface, be obliquely installed, center line and rotation The disjoint rectangle sliding slot of axis of sleeve, be equipped in sliding slot can along sliding slot longitudinal sliding motion, upper end and engaging slot fasten The quadrangular shape locking pin 5 of cooperation is equipped with locking compression spring 7 between 5 downside of locking pin and sliding slot bottom surface;Locking pin upper end is with engaging Slot be in contact engaging when, a side of engaging slot on quadrangular shape locking pin with being located at locking compression spring(Longitudinal direction)Telescopic direction Side(The upper surface of quadrangular)It mutually connects, another side of engaging slot(Planar side)With on locking pin be located at it is non-locking The side of compression spring telescopic direction mutually connects(The side of quadrangular).The wrench body lower part is equipped with connecting seat, on connecting seat Operation handle 8 is connected with, the center line of operation handle 8 intersects with the axis of rotational sleeve, the center line of the sliding slot and locking pin With the center line of operation handle into 20 degree of angles.
The present invention is further improved, and the front and back sides on the wrench body top are in inverted isosceles trapezoid shape, spanner The upside of main body is isosceles trapezoid, and the central angle corresponding to arc-shaped clamping sliding surface is between 120-180 degree, preferably 150- 175 degree, U-shaped Location resilient piece is around engaging sliding slot to less half cycle.Make the upside side wall in wrench portion ultra-thin, wrench portion small, It is convenient to process and mount, structure is more firm.
Rotational sleeve at work, fastener to be loaded and unloaded is linked in through interior hexagonal by the present invention(The nut or spiral shell of bolt On mother), when rotating forward wrench body to suitable location, locking pin front end enters in V-type engaging slot under the action of compression spring, fixed The one side of position pin and the one side of V-type engaging slot are adjacent to, position rotational sleeve, and the upper end surface side of positioning pin engages with V-type The another side fitting or opposite of slot;Continue to rotate forward spanner, fastener is exerted a force, fastened or dismantled;When rotation one After determining angle, when rotating backward wrench body, the another side compressing locking pin of V-type engaging slot pushes locking compression spring, locking pin It slided into sliding slot, cross current V-type engaging slot, after suitable V-type engaging slot is crossed, repeat above-mentioned to rotate forward spanner Operation.The present invention have it is simple in structure, easy to use, the side wall at wrench position is ultra-thin, and space is small needed for work, handling speed Soon, spanner good integrity, intensity are high, it is not easily damaged, service life is long the advantages that.

Claims (7)

1. a kind of quick ultra-thin spanner, it is characterised in that including wrench body and rotational sleeve, wrench body upper side is circular arc The clamping sliding surface of shape, the rotational sleeve are in interior Hexagonal jacket shape, and the lateral wall of rotational sleeve is equipped with the engaging cunning of annular Slot, rotational sleeve is matched through engaging sliding slot with clamping sliding surface, the upside for being connected to wrench body free to rotate, turning set U-shaped Location resilient piece is equipped in the engaging sliding slot of cylinder, the two-arm of U-shaped Location resilient piece is fixedly connected with the both sides of wrench body, will be turned Moving sleeve limits in wrench body, is only capable of to move radially again around own axis, on the lateral wall of rotational sleeve Ratchet slot is furnished with, wrench body is equipped with mounting groove, is equipped with and the matched pawl of ratchet slot in mounting groove.
2. quick ultra-thin spanner according to claim 1, it is characterised in that the ratchet slot is in the outer of rotational sleeve V-shaped engaging slot is evenly equipped on side wall, two side angles of V-arrangement of V-type engaging slot are not less than 90 degree;The mounting groove is The sliding slot of upper end opening is equipped in wrench body, is equipped with upper end and the matched locking pin of engaging slot in sliding slot, under locking pin Locking compression spring is equipped between side and sliding slot bottom surface.
3. quick ultra-thin spanner according to claim 2, it is characterised in that the front and back sides on the wrench body top Bottom is presented as arc, inverted isosceles trapezoid shape, the central angle corresponding to arc-shaped clamping sliding surface is between 120-180 degree, U Type Location resilient piece is around engaging sliding slot to less half cycle.
4. quick ultra-thin spanner according to claim 3, it is characterised in that circumferential on the lateral wall of the rotational sleeve It is evenly equipped at least eight engaging slot.
5. quick ultra-thin spanner according to claim 4, it is characterised in that the engaging slot is distributed in engaging sliding slot.
6. quick ultra-thin spanner according to claim 5, it is characterised in that the wrench body lower part is equipped with connecting seat, Operation handle is connected on connecting seat.
7. quick ultra-thin spanner according to claim 6, it is characterised in that the center line and turning set of the operation handle The axis of cylinder intersects, and the locking pin main body is in quadrangular shape, the center line and operation handle of the sliding slot and locking pin Center line is into 10-45 degree angles.
CN201720476246.5U 2017-05-02 2017-05-02 A kind of quick ultra-thin spanner Active CN207495372U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720476246.5U CN207495372U (en) 2017-05-02 2017-05-02 A kind of quick ultra-thin spanner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720476246.5U CN207495372U (en) 2017-05-02 2017-05-02 A kind of quick ultra-thin spanner

Publications (1)

Publication Number Publication Date
CN207495372U true CN207495372U (en) 2018-06-15

Family

ID=62496847

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720476246.5U Active CN207495372U (en) 2017-05-02 2017-05-02 A kind of quick ultra-thin spanner

Country Status (1)

Country Link
CN (1) CN207495372U (en)

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20190403

Address after: 264200 South of Xilaotai Village, Gao District, Weihai City, Shandong Province

Patentee after: Jin De Tools Co., ltd of Weihai City

Address before: 264200 Wanjiatuan Village, Gao District, Weihai City, Shandong Province

Patentee before: Cong Xiumei

TR01 Transfer of patent right
CP03 Change of name, title or address

Address after: No.71-12, Dandong Road, high tech District, Weihai City, Shandong Province, 264209

Patentee after: Weihai Jinde Tools Co.,Ltd.

Address before: 264200 South of Xilaotai Village, Gao District, Weihai City, Shandong Province

Patentee before: WEIHAI JINDE TOOLS Co.,Ltd.

CP03 Change of name, title or address