CN201140370Y - Packaged quick push-and-pull spanner - Google Patents
Packaged quick push-and-pull spanner Download PDFInfo
- Publication number
- CN201140370Y CN201140370Y CNU2008200025494U CN200820002549U CN201140370Y CN 201140370 Y CN201140370 Y CN 201140370Y CN U2008200025494 U CNU2008200025494 U CN U2008200025494U CN 200820002549 U CN200820002549 U CN 200820002549U CN 201140370 Y CN201140370 Y CN 201140370Y
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- Prior art keywords
- screw rod
- screw
- cun
- spanner
- worm
- 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 - Lifetime
Links
- 239000000428 dust Substances 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 4
- 238000000034 method Methods 0.000 claims 3
- 229910052742 iron Inorganic materials 0.000 claims 2
- 229910000838 Al alloy Inorganic materials 0.000 claims 1
- 239000004411 aluminium Substances 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- 238000005266 casting Methods 0.000 claims 1
- 238000005260 corrosion Methods 0.000 claims 1
- 230000007797 corrosion Effects 0.000 claims 1
- 238000004512 die casting Methods 0.000 claims 1
- 238000001125 extrusion Methods 0.000 claims 1
- 238000005242 forging Methods 0.000 claims 1
- 238000004663 powder metallurgy Methods 0.000 claims 1
- 238000003825 pressing Methods 0.000 claims 1
- 239000010935 stainless steel Substances 0.000 claims 1
- 229910001220 stainless steel Inorganic materials 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 17
- 239000003344 environmental pollutant Substances 0.000 abstract 1
- 231100000719 pollutant Toxicity 0.000 abstract 1
- 230000001737 promoting effect Effects 0.000 description 3
- 210000000080 chela (arthropods) Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000003811 finger Anatomy 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000005224 forefinger Anatomy 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model relates to a package type quick push-pull wrench, belonging to the hardware tool field, comprising a handle whose one end is fixed with a hook wrench, a worm rod in a guide lost at the combination of the handle and the wrench, a movable port provided worm teeth at one side and provided in the guide slot to form a moving pair and mesh the worm rod, a caulking groove provided along the length of the handle, a cover plate in the caulking groove, and a rotary screw rod provided on the cover plate, wherein the front end of the screw rod is cohered with the worm rod via a gear transmission mechanism, the cover plate is provided with a push button element, a tubular dustproof shield is sheathed on the screw rod and is processed with an opening slot deflected with the screws on the screw rod, the start point and the final point of the opening slot have a swirl angle of 200, 240, 255, 265, 270, 275 or 285 degrees, the lower end of the push button element is inserted into the screw of the screw rod via the opening slot on the tubular dustproof shield. The screw rod exposed in prior art is shielded by the tubular dustproof shield to protect the screw from pollutants, thereby preventing the clamping in transmission, improving the performance of the transmission part, improving working efficiency and prolonging service life.
Description
Technical field
The utility model relates to a kind of spanner, and specifically a kind of improvement of adjustable wrench transmission mechanism belongs to the hardware ﹠ tools technical field.
Background technology
Adjustable wrench is that necessary tool is assembled, repaired, safeguards to various civilian, military plant equipment, and at numerous areas such as building, automobile space flight, and even family all is widely used.
The existing hundreds of years history of tradition adjustable wrench, its structure is well-known.During use, need drive away with thumb and forefinger and change the worm gear rotation, regulate the size of spanner opening, and regulate slower, especially when the user is stained with greasy dirt on hand or wears the gloves operation, open and close very inconveniently, simultaneously in use the worm screw pin also can often come off, and repeatable operation makes the people feel convenient inadequately.
Operation for convenience, people innovate on the transmission mechanism of adjustable wrench.Retrieval is found, application number is 91206165.0, name is called the spanner of " plug-type speeder wrench ", its inventive point is, the slip hairclipper is housed in the wrench body, screw rod, the slip hairclipper is enclosed within on the screw rod, has spiral bar or helicla flute in the slip hairclipper, match with screw rod, screw rod one end connects a drive bevel gear, and this drive bevel gear and the driven wheel of differential engagement of opening on the pincers screw rod push away or draw the slip hairclipper along wrench body, by cooperating of slip hairclipper and screw rod, make the screw rod rotation, drive bevel gear is rotated thereupon, drives the driven wheel of differential rotation that is engaged with, be further rotated out the pincers screw rod, open or close moving jaw by the tooth bar on the moving jaw.Can save the operating time during use, very convenient.This invention has obtained significant progress undoubtedly on traditional adjustable wrench basis.Yet this spanner in use is easier to produce catching phenomenon.By analysis, the main cause that produces catching phenomenon is: transmission mechanism, especially screw rod are open fully, snap in dirt easily and cause clamping stagnation; In addition, two Bevel Gear Transmission are because of the play of screw rod and push rod in the transmission mechanism, and contact precision is difficult to guarantee, also causes the jam phenomenon easily.In addition, this spanner also has the following disadvantages, because two number of teeth in bevel gears and hypoid gears are identical, the helical pitch of push rod groove is long again, and snail
The pitch of bar is less, causes long the use inadequately of move distance of push button to make things convenient for.
The utility model content
Primary and foremost purpose of the present utility model is: the problem that exists in using at above existing plug-type speeder wrench proposes a kind of quick push-and-pull spanner of the open packaged type of transmission mechanism of avoiding, thereby eliminates because of falling into the catching phenomenon that dirt causes.
The further purpose of the utility model is: by the improvement to transmission mechanism, overcome the jam phenomenon that two Bevel Gear Transmission cause.
In order to reach above primary and foremost purpose, the quick push-and-pull spanner of packaged type of the present utility model comprises the handle of the fixing hook-shaped spanner of an end, in the guide groove of described handle and spanner junction worm screw is housed, the movable port that one side is shaped on wrom tooth is contained in the guide groove, form moving sets, and and worm engaging, be shaped on caulking groove along its length on the described handle, in the described caulking groove cover plate is housed, rotatable screw rod is housed on the described cover plate, the front end of described screw rod is connected with worm screw by gear drive, the push button assembly is housed on the described cover plate, it is characterized in that: described screw jacket is equipped with the tubulose dust cover, described tubulose dust cover is shaped on the fluting with the screw flight dislocation, the Origin And Destination of described fluting is 200 °, 240 °, 255 °, 265 °, 270 °, the swing angle of 275 ° or 285 ° degree, insert in the screw flight by the fluting on the tubulose dust cover lower end of described push button assembly.
During use,, can order about the screw rod rotation, rotate, and then drive movable port and move, reach the purpose of regulating the spanner openings of sizes along guide groove thereby the gear drive by its front end drives worm screw as long as with promoting push button before and after the finger.Because original open screw rod is covered by the tubulose dust cover, has therefore avoided dirt to fall into screw thread, thereby has prevented the clamping stagnation of transmission, further guarantees the transmission smoothness.
In order to reach above further purpose, in the quick push-and-pull spanner of the utility model packaged type, described gear drive is made of active roller gear and the engagement of passive face gear.The special gear transmission mechanism that this and conventional Bevel Gear Drive is different not only can be realized the rotation transmission of concurrent aces, and can overcome the jam that the engagement of two conical gears causes because of axial float, thereby the ingenious clamping stagnation problem that solved, the adjusting smoothness that guarantees to pull mouth.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the structural representation of the utility model embodiment one.
Fig. 2 is the cutaway view of Fig. 1.
Fig. 3 is push button and a cover plate local enlarged diagram partly among Fig. 2.
Fig. 4 is the local enlarged diagram of Fig. 1 cover plate.
The specific embodiment
Embodiment one
The quick push-and-pull spanner of the packaged type of present embodiment as depicted in figs. 1 and 2, the corresponding label of each part is as follows among the figure: handle 1, worm screw 2, movable port 3, passive face gear 4, dustproof oil storage locking screw plug 5, the spacing card of screw rod (spring) 6, active roller gear 7, buffer spring 8, stop screw 9, polygonal plum blossom hole 10, screw rod 11, the lower end is the latch 12 of bulb, push button 13, whole cover plate 14, fixed screw 15, handguard sleeve 16, gear dust cover 17, screw rod tubulose dust cover 18.
As seen from the figure, an end and the hook-shaped spanner of handle 1 are connected as a single entity, and handle 1 is shaped on guide groove with the junction of spanner, and rotatable worm screw 2 wherein is housed.One side of movable port 3 is shaped on wrom tooth, is contained in and forms moving sets in the guide groove, and mesh with worm screw 2.Lower end of worm screw 2 and passive face gear 4 are connected, and by dustproof oil storage locking screw plug 5 axial lockings, are set with gear dust cover 17 outside the passive face gear 4, and stop screw 9 can be eliminated the axial float of worm screw.Be shaped on caulking groove along its length on the handle 1, by feet before and after the cover plate 14 (referring to Fig. 4) rotatable screw rod 11 is housed in this caulking groove, preceding feet has stopper slot, the correspondence position of screw rod 11 has draw-in groove, wherein clamp C shape card or jump ring, thereby play the axial limiting effect, assemble very convenient.The outside suit of screw rod 11 have with screw rod on the screw rod dust cover 18 (referring to Fig. 3) of screw thread reverse acting spiral groove, front end is connected with roller gear 7 initiatively.This is roller gear 7 and passive face gear 4 engagements initiatively, thereby screw rod 11 is connected with worm screw 2 by gear drive.What deserves to be mentioned is, as adopting two conventional Bevel Gear Drive to be easy to, adopt roller gear and face gear transmission herein, then simply and cleverly solved the clamping stagnation problem, make that the adjusting of pulling mouth is very smooth because of the axial float clamping stagnation.Fixedly have the cover plate of chute on the caulking groove by fixed screw 15, the push button 13 of slip is housed in this cover plate chute, it is the latch 12 of bulb that the lower end is housed in the mider hole of this push button, the bulb of the latch lower end of this bulb passes screw rod dust cover 18, and the semicircle bulb of its termination inserts in the screw flight.On handle body 1, also has handguard sleeve 16.
The operation principle of present embodiment is: as long as with promoting push button 13 before and after the finger, can by the lower end latch 12 of bulb, the bulb of its lower end orders about screw rod 11 rotations, thereby the gear drive by its front end drives worm screw 2 rotations, and then drive movable port 3 and move along guide groove, reach the purpose of regulating the spanner openings of sizes.When promoting push button, screw rod dust cover 18 backward rotation are sealed screw flight all the time, avoid dirt to fall into.Because the pitch ratio of worm screw 2 is bigger, therefore the speed that makes spanner 3 move is more faster than the rapid adjustable wrench of usually similar drive mechanism, and simultaneously because the pitch ratio of screw rod is less, the distance that therefore makes push button 13 front and back promote shortens, and feel is light and handy.In addition, owing to adopted the gear graduation processing between passive face gear and the active roller gear, not only make the spanner push-and-pull light, but also dwindled the thickness of handle 1 among Fig. 1.Especially transmission mechanism has been taked corresponding sealing measure respectively, and not only appearance is more carefully and neatly done attractive in appearance, and has effectively prevented pollution effect, and it is convenient fast to operate, no jam phenomenon.
The utility model is not limited to above embodiment.Its specification can have many variations as required, and for example the modulus of worm screw can be 4mm-10mm; Tip diameter can be Φ 6mm-Φ 18mm; The pitch of screw rod can be 8mm-18mm; The external diameter of screw rod can be Φ 3mm-Φ 8mm; The modulus of gear can be 0.4mm-2mm; The number of teeth of gear can be the 10-25 tooth; The centre-to-centre spacing of plane and screw rod can be 4 cun (3.5mm-4.0mm), 6 cun (5mm-6.5mm), 8 cun (5.8mm-7.5mm) on the cover plate, 10 cun (5.8mm-7.5mm), 12 cun (6.3mm-7.8mm), 15 cun (7.8MM-8.5mm), 16 cun (7.8mm-8.5mm), 18 cun (8.2mm-9.7mm); Or the like.These variations all drop on the protection domain of the utility model requirement.
Implement in addition to the implementation, the utility model can also have other modes.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (9)
1. quick push-and-pull spanner of packaged type, the handle that comprises the fixing hook-shaped spanner of an end, in the guide groove of described handle and spanner junction worm screw is housed, the movable port that one side is shaped on wrom tooth is contained in the guide groove, form moving sets, and and worm engaging, be shaped on caulking groove along its length on the described handle, in the described caulking groove cover plate is housed, rotatable screw rod is housed on the described cover plate, the front end of described screw rod is connected with worm screw by gear drive, it is characterized in that: described screw jacket is equipped with the tubulose dust cover, described tubulose dust cover is shaped on the fluting with the screw flight dislocation, and the Origin And Destination of described fluting is 200 °, 240 °, 255 °, 265 °, 270 °, the swing angle of 275 ° or 285 °, insert in the screw flight by the fluting on the tubulose dust cover lower end of described push button assembly.
2. according to the quick push-and-pull spanner of the described packaged type of claim 1, it is characterized in that: the pitch of screw rod is 8mm-18mm.
3. according to claim 1 or the quick push-and-pull spanner of 2 described packaged types, it is characterized in that: worm screw is a single start worm, and its modulus is 4mm-10mm.
4. according to claim 1 or the quick push-and-pull spanner of 2 described packaged types, it is characterized in that: the gear of described gear drive is by powder metallurgy processing or extrusion process or mill and process, and the modulus of its gear is: 0.4mm-2mm.
5. according to claim 2, the quick push-and-pull spanner of 3 or 4 described packaged types, it is characterized in that: the number of teeth of described gear is the 10-25 tooth.
6. according to claim 1, the quick push-and-pull spanner of 2 or 5 described packaged types, it is characterized in that: the whole cover plate that processes by die casting or casting or forging and pressing with aluminium alloy or iron or stainless steel is housed in the described caulking groove, or the cover plate that is welded with iron plate or aluminium sheet or corrosion resistant plate.
7. according to claim 1, the quick push-and-pull spanner of 3 or 6 described packaged types, it is characterized in that: the top of described worm screw, a stop screw that is used for eliminating the worm screw axial float is housed on the handle 1.8. according to claim 3, the quick push-and-pull spanner of 4 or 5 described packaged types, it is characterized in that: the centre-to-centre spacing of plane and screw rod can be 4 cun (3.5mm-4.0mm) on the described cover plate, 6 cun (5mm-6.5mm), 8 cun (5.8mm-7.5mm), 10 cun (5.8mm-7.5mm), 12 cun (6.3mm-7.8mm), 15 cun (7.8mm-8.5mm), 16 cun (7.8mm-8.5mm), 18 cun (8.2mm-9.7mm).
9. according to claim 1 or the quick push-and-pull spanner of 2 described packaged types, it is characterized in that: the external diameter of screw rod is Φ 3mm-Φ 8mm.
10. according to claim 1 or the quick push-and-pull spanner of 3 described packaged types, it is characterized in that: the tip diameter of worm screw is Φ 6mm-Φ 18mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200025494U CN201140370Y (en) | 2008-01-19 | 2008-01-19 | Packaged quick push-and-pull spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200025494U CN201140370Y (en) | 2008-01-19 | 2008-01-19 | Packaged quick push-and-pull spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201140370Y true CN201140370Y (en) | 2008-10-29 |
Family
ID=40068086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200025494U Expired - Lifetime CN201140370Y (en) | 2008-01-19 | 2008-01-19 | Packaged quick push-and-pull spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201140370Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103831763A (en) * | 2014-03-02 | 2014-06-04 | 吉林大学 | Adjustable wrench |
-
2008
- 2008-01-19 CN CNU2008200025494U patent/CN201140370Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103831763A (en) * | 2014-03-02 | 2014-06-04 | 吉林大学 | Adjustable wrench |
| CN103831763B (en) * | 2014-03-02 | 2015-08-12 | 吉林大学 | Adjustable wrench |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081029 |
|
| CX01 | Expiry of patent term |