TW201413096A - Vane-type key with guiding groove - Google Patents

Abstract

A vane-type key with guiding groove comprises: a key bow, a key blade extended form the key bow along an axial line, and a guiding unit located at the key blade. The key blade comprises a linkage end connected to the key bow, and the guiding unit comprises a plurality of first vanes extended axially from the key blade in a spaced manner and a guiding groove formed on the key blade to be spaced apart from the aforementioned first vanes and extended along the axial line. Not only the guiding/positioning effect of the vane type key can be provided, but also the impact or abrasion due to wrong insertion direction of the first vanes can be avoided by designing the maximum linear distance between the guiding groove and the linkage end to be longer than the maximum linear distance between the first vanes and the corresponding linkage end, thereby effectively prolonging the service life of the key.

Description

Vane key with lead-in groove

The present invention relates to a vane key, and more particularly to a vane key having an introduction groove.

Referring to FIG. 1, a conventional wing key 11 includes a handle 111, a rod 112 connected to the handle 111 and extending into a lock core 12, and three brake pads disposed on the surface of the rod 112. 113. A aligning piece 114 disposed on a surface of the rod 112, the aligning piece 114 having a thickness greater than a thickness of the brake piece 113.

The lock core 12 includes a lock core body 121 and a lock core housing 122 having the lock core body 121. The lock core housing 122 has a pair of through holes 123 for the rod body 112, and three corresponding brakes. The sheet 113 and the brake lock channel 124 communicating with the through hole 123 and a pair of the alignment lock channel 125 that should communicate with the positioning piece 114 and communicate with the through hole 123.

When the alignment piece 114 of the flap key 11 is aligned with the alignment lockway 125, the brake pad 113 also corresponds to the brake lock 124, and the flap key 11 is as shown in FIG. The lock core extends to the lock core 122 to be coupled with the lock body 121. At this time, rotating the handle 111 can drive the rod 112 to rotate. The lock body 121 is coupled to the brake pad 113 and the pair. The position piece 114 is phase-locked to drive the lock body 121 to rotate to achieve the function of unlocking.

However, during the insertion of the flap key 11 into the lock body 121, the brake pad 113 and the alignment piece 114 often hit the lock core housing 122 to cause wear, especially when the user is not correct. In the case of alignment, For example, the aligning piece 114 is misaligned with the brake lock 124 and forcibly inserted, so that the brake pad 113 and the aligning piece 114 may be worn or even broken due to improper force applied during the forcible insertion process, thereby affecting The stability and service life of the wing type key 11 lock system.

Referring to Figure 3, in order to improve the above-mentioned shortcomings, the related art has developed a technique disclosed in the new patent of "Renovation of Locks" of the Republic of China Bulletin No. 479723, the main improvement being: using the hollow rod 112, and forming The notches 115 on the hollow shaft 112 cooperate to create a guiding effect. However, it is known that the hollow rod 112 is inferior in strength, and is more likely to be deformed by an external force, thereby reducing the stability and service life of the flap key 11.

Accordingly, it is an object of the present invention to provide a vane key having an introduction groove which can extend the service life.

Thus, the vane key of the present invention having a guide groove includes a spoon handle, a key lever extending outward from the key shaft along an axis, and a guiding unit located on the key lever. The spoon includes a connection end connected to the handle.

The guiding unit includes a plurality of first fins extending radially outward from the spoon bar, and an introduction formed on the key bar spaced apart from the first wing and extending along the axis a groove, a maximum linear distance of the introduction groove from the connection end is greater than a maximum linear distance of the first wing relative to the connection end.

The invention has the beneficial effects that the maximum linear distance from the connecting end by the introduction groove is greater than the maximum straight line of the first wing relative to the connecting end The design of the line distance not only provides the effect of guiding the positioning of the wing type key, but also avoids the impact or wear of the first wing piece due to the incorrect insertion direction. The non-hollow key lever can effectively improve the strength. With the service life.

The foregoing and other objects, features, and advantages of the invention will be apparent from the

Before the present invention is described in detail, it is noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to Figure 4, a first preferred embodiment of the airfoil key 2 of the present invention having a guide groove includes a handle 21, a key lever 22 extending outwardly from the handle 21 along an axis L, and a Guide unit 23 of the spoon 22 .

The spoon 22 includes a connecting end 220 connected to the handle 21, a root 221 extending outwardly from the connecting end 220 along the axis L, and a direction of the root 221 along the axis L away from the handle 21. An extended neck portion 222, and an extending portion 223 extending from the neck portion 222 along the axis L away from the handle 21, the extending portion 223 having a connecting portion 224 connected to the neck portion 222, and A penetrating section 225 that is away from the connecting section 224 and that is frustoconical.

Referring to Figures 4 and 5, the guiding unit 23 includes four first fins 24 extending radially outwardly from the connecting portion 224 of the extending portion 223 of the key lever 22 at an equiangular interval, and a A guide groove 25 is formed on the extending portion 223 and extending along the axis L direction. The introduction groove 25 extends from the extending portion 225 to the connecting portion 224 and the neck portion 222 Interlaced, and the maximum linear distance D1 of the introduction groove 25 with respect to the connection end 220, It is greater than the maximum linear distance D2 of the first fin 24 relative to the connecting end 220.

Since the introduction groove 25 extends from the extending portion 225 to the connecting portion 224, the maximum linear distance D1 of the introducing groove 25 relative to the connecting end 220 is greater than the maximum straight line of the first fin 24 relative to the connecting end 220. The design of the distance D2, therefore, the introduction groove 25 can be compared to the first flap 24 of the airfoil key 2 before the corresponding lock core (not shown) is inserted for the locking and unlocking action. The first flap 24 is in contact with the lock core earlier, which not only provides the guiding and positioning effect of the flap key 2, but also prevents the first flap 24 from colliding or being damaged due to the incorrect insertion direction, thereby effectively improving Service life.

Referring to Figure 6, a second preferred embodiment of the airfoil key 2 of the present invention having a guide groove is substantially similar to the first preferred embodiment, except that the guiding unit 23 includes three spaced apart portions. a first fin 24 extending radially outward from the extending portion 223 of the spoon 22, and a second flap extending radially outward from the first lever 24 at a distance from the first tab 24 26.

In the preferred embodiment, the first flap 24 and the second flap 26 extend radially outward from the extending portion 223 of the spoon 22 at an equiangular interval, and the second flap 26 The thickness is greater than the thickness of the first flap 24, and the height of the second flap 26 relative to the spoon 22 is greater than the height of the first flap 24 relative to the handlebar 22. It is to be noted that the thickness defined in the preferred embodiment extends substantially in the direction of the arc of the spoon 22.

Since the preferred embodiment is substantially similar to the first preferred embodiment, Therefore, in addition to the same effect as the first preferred embodiment, the thickness and height of the second flap 26 and the first flap 24 are different, which can effectively prevent the flap key. 2 When a different lock (not shown) occurs, it can also have an anti-theft effect.

Referring to Figures 7 and 8, a third preferred embodiment of the airfoil key 2 having a guide groove of the present invention is substantially similar to the second preferred embodiment, except that the second flap 26 includes a The handle bar 22 has a second fin portion 261 extending radially outwardly in a sheet shape, and a recess 262 formed in the second fin portion 261 and extending in the direction of the axis L. Cooperating with the recess 262 of the second flap 26, the flap key 2 can be effectively prevented from entering the different lock cores (not shown), and the anti-theft effect is better.

Referring to Figures 9 and 10, a fourth preferred embodiment of the airfoil key 2 having a guide groove of the present invention is substantially similar to the second preferred embodiment, except that the first flap 24 includes a first a first fin portion 241 extending in a sheet shape radially outwardly from the spoon bar 22, and a first vane portion 241 extending in a direction away from the handle 21 in the direction of the axis L and the handle bar 22, a first extending portion 242, the second flap 26 includes a second flap portion 261 extending radially outwardly from the spoon 22, and a second portion along the axis L direction The flap portion 261 faces the second extension portion 263 which extends away from the handle 21 and is connected to the key lever 22.

The first extending portion 242 and the second extending portion 263 are combined to prevent the first flap portion 241 and the second flap portion 261 from being inserted into a non-corresponding lock core (not shown).

Referring to Figures 11 and 12, the first embodiment of the invention provides a vane key 2 with a groove. The fifth preferred embodiment is substantially similar to the second preferred embodiment except that the second flap 26 includes a second flap portion extending radially outwardly from the spoon bar 22 in a sheet shape. 261. A second extending portion 263 extending from the second wing portion 261 away from the handle 21 and a second stopping groove 264 interposed between the second extending portion 263 and the spoon 22.

Since the embodiment is substantially similar to the second preferred embodiment, the user can also use the second extension 263 and the second block in addition to the same effect as the second preferred embodiment. The slot 264 determines the correct insertion orientation and is convenient to use.

Referring to Figure 13, a sixth preferred embodiment of the airfoil key 2 having a guide groove of the present invention is substantially similar to the fifth preferred embodiment. The difference is that the first airfoil 24 further includes a The first fin portion 241 faces the first extending portion 242 extending away from the handle 21 and a first stopping groove 243 interposed between the first extending portion 242 and the spoon 22.

The first extending portion 242 and the first stopping groove 243, and the second extending portion 263 and the second stopping groove 264 make the overall structure more complicated, thereby further improving the anti-theft effect.

Referring to Figures 14 and 15, the seventh preferred embodiment of the airfoil key 2 of the present invention is substantially similar to the first preferred embodiment. The difference is that the guiding unit 23 further includes a a limiting tab 27 protruding from the first wing 24 and extending along the axis L, and a height between the limiting tab 27 and the key 22 is smaller than the first The distance between the fins 24 and the spoon 22 is located on opposite sides of the first fin 24, respectively.

Since the first flap 24 protrudes into the corresponding lock core (not shown) when the locking or unlocking operation is performed, the user cannot determine the first flap 24 after the locking or unlocking operation is completed. Therefore, the limiting tab 27 is matched with a corresponding lock core (not shown) such that the first flap 24 of the airfoil key 2 must be rotated after the locking or unlocking operation is completed. It can be pulled out to the correct position where the lock core is originally inserted, so as to avoid the impact or wear of the first fin 24 due to the incorrect direction of the extraction, thereby effectively improving the service life.

Referring to Figure 16, the eighth preferred embodiment of the airfoil key 2 having the introduction groove of the present invention is substantially similar to the seventh preferred embodiment. The difference is that the guiding unit 23 includes three spaced intervals. a first fin 24 extending radially outward from the extending portion 223 of the spoon 22, and a second wing extending radially outward from the first lever 24 at a distance from the first tab 24 The sheet 26 has a thickness greater than the thickness of the first flap 24. In addition to this, in addition to the same effects as the seventh preferred embodiment, another embodiment is provided for the user to select.

Referring to Figure 17, the ninth preferred embodiment of the airfoil key 2 having the introduction groove of the present invention is substantially similar to the eighth preferred embodiment. The difference is that the second wing 26 includes a The second lever portion 261, which is formed in a sheet shape, extends radially outwardly, and a recess 262 formed in the second flap portion 261 and extending along the length of the handlebar 22. Thereby, the user is offered another option.

Referring to Figure 18, a tenth preferred embodiment of the airfoil key 2 of the present invention having a groove is substantially similar to the eighth preferred embodiment, not the same. The limiting tab 27 is located between the first fin 24 and the second fin 26, and the limiting tab 27 and the guiding groove 25 are respectively located on opposite sides of the second flap 26. In this way, the user is offered another option.

In summary, the wing type key 2 with the introduction groove of the present invention has a maximum linear distance D1 with respect to the connecting end 220 by the introduction groove 25 being greater than a maximum linear distance D2 of the first wing 24 with respect to the connecting end 220. The design can not only provide the guiding effect of the wing type key 2, but also avoid the impact or wear of the first wing piece 24 due to the incorrect insertion direction, and the non-hollow keyring with high strength. 22 can effectively improve the overall strength and service life.

The above is only the preferred embodiment of the present invention, and the scope of the invention is not limited thereto, that is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention are All remain within the scope of the invention patent.

2‧‧‧ wing key

21‧‧‧ handle

22‧‧‧Key lever

220‧‧‧Connecting end

221‧‧‧ root

222‧‧‧ neck

223‧‧‧Into the Department

224‧‧‧ Connection section

225‧‧‧ into the paragraph

23‧‧‧Guide unit

24‧‧‧ first wing

241‧‧‧First Fragment

242‧‧‧First Extension

243‧‧‧First stop groove

25‧‧‧Introduction ditch

26‧‧‧second wing

261‧‧‧Second wing

262‧‧‧ Groove

263‧‧‧Second extension

264‧‧‧Second stop groove

27‧‧‧Limited tabs

L‧‧‧ axis

D1, D2‧‧‧Maximum straight line distance

1 is an exploded perspective view showing a conventional wing type key; FIG. 2 is a cross-sectional view for assistance in explaining FIG. 1; and FIG. 3 is a perspective view showing a new type of patent of "Renovation of Locks" of the Republic of China Announcement No. 479723; 4 is a perspective view showing a first preferred embodiment of the airfoil key with the introduction groove of the present invention; FIG. 5 is a side view for assistance in explaining FIG. 4; and FIG. 6 is a side view showing the introduction groove of the present invention. a second preferred embodiment of a wing key; Figure 7 is a perspective view showing a third preferred embodiment of the vane key of the present invention with a groove introduced into the groove; Figure 8 is a side view for assistance in explaining Figure 7; Figure 9 is a perspective view showing the introduction groove of the present invention. a fourth preferred embodiment of the airfoil key; FIG. 10 is a side view, and FIG. 9 is a supplementary view; FIG. 11 is a perspective view showing a fifth preferred embodiment of the airfoil key with the introduction groove of the present invention; 12 is a side view, an explanatory view of FIG. 11; FIG. 13 is a perspective view showing a sixth preferred embodiment of the vane key with a groove introduced in the present invention; and FIG. 14 is a perspective view showing the wing of the present invention with a groove introduced into the groove Figure 7 is a side view, which is a side view, and Fig. 14 is a side view showing an eighth preferred embodiment of the airfoil key with the introduction groove of the present invention; 17 is a side view showing a ninth preferred embodiment of the vane key having the introduction groove of the present invention; and FIG. 18 is a side view showing the tenth preferred embodiment of the vane key with the introduction groove of the present invention. example.

2‧‧‧ wing key

21‧‧‧ handle

22‧‧‧Key lever

220‧‧‧Connecting end

221‧‧‧ root

222‧‧‧ neck

223‧‧‧Into the Department

224‧‧‧ Connection section

225‧‧‧ into the paragraph

23‧‧‧Guide unit

24‧‧‧ first wing

25‧‧‧Introduction ditch

L‧‧‧ axis

Claims (10)

A wing type key with an introduction groove, comprising: a handle handle; a spoon bar extending outward from the handle along an axis and including a connection end connected to the handle; and a guiding unit, including a plurality of first fins extending radially outward from the spoon, and an introduction groove formed on the spoon and spaced along the axis in the axial direction, the introduction groove The maximum linear distance from the connecting end is greater than the maximum linear distance of the first fin relative to the connecting end. The wing key with a lead-in groove according to claim 1, wherein the guiding unit further comprises a second wing extending radially outward from the first wing by the key a sheet, the second fin has a thickness greater than a thickness of the first flap, and a height of the second flap relative to the spoon is greater than a height of the first flap relative to the spoon. The airfoil key with a lead-in groove according to claim 2, wherein the second airfoil includes a second fin portion extending radially outward from the key lever and having a sheet shape, and a recess a groove formed in the second fin portion and extending in the axial direction. The wing key with a lead-in groove according to claim 2, wherein the first flap comprises a first flap portion extending radially outward from the key shaft and having a sheet shape, and a first flap portion a first extension extending from the first flap portion away from the key handle and connected to the key lever in the axial direction, the second flap including a sheet extending radially outward from the spoon First a second wing portion, and a second extension portion extending in the axial direction from the second wing portion toward the handle and connected to the key lever. The airfoil key with a lead-in groove according to claim 2, wherein the second airfoil includes a second wing portion extending radially outward from the key lever and having a sheet shape, The second fin portion faces the second extending portion extending away from the key handle, and a second stopping groove between the second extending portion and the key holder. The wing key with a lead-in groove according to claim 5, wherein the first flap further includes a first extension extending from the first flap portion away from the handle, and a first stop groove between the first extension and the spoon. The airfoil key with a lead-in groove according to any one of claims 1 to 6, wherein the key lever further includes a root extending outward from the connecting end along the axis, and a root along the root a portion of the neck extending away from the handle, and an extension extending from the neck along the axis away from the handle, the extending portion having a connecting portion connected to the neck, and a penetrating portion extending away from the connecting portion and having a frustoconical shape, the first fin is extended radially outward from the extending portion, and the introducing groove extends from the extending portion to the connecting portion It is spaced from the neck. The airfoil-type key with a lead-in groove according to claim 7, wherein the guiding unit further includes a first flap that protrudes from the key lever and is located along the axis and along the axis a direction extending extending tab, the limiting tab and the guiding groove are located between two spaced apart first fins, and a height between the limiting tab and the keyring is the first The height between the flap and the keyrow is different. The wing type key with a lead-in groove according to claim 7, wherein the guiding unit further comprises a protrusion from the spoon and between the first wing and the second wing. And a limiting tab extending along the axial direction, the limiting protrusion and the guiding groove are respectively located on two sides of the first wing, and a height between the limiting piece and the key bar is The height between the first flap and the keyrow is different. The wing type key with a lead-in groove according to claim 7, wherein the guiding unit further comprises a protrusion from the spoon and between the first wing and the second wing. And a limiting tab extending along the axial direction, the limiting protrusion and the guiding groove are respectively located on two sides of the second wing, and a height between the limiting piece and the keyring is The height between the first flap and the keyrow is different.