TWM514381U - Quick release connecting rod structure improvement with reduced outer diameter - Google Patents

Description

Improved reduction of outer diameter of the detachment rod structure

This creation provides an improved detachment bar structure with reduced outer diameter that is associated with tools for fastening, disassembling, clamping or attaching hand tools.

The post is one of the most commonly used tools in the hand tool industry, and the post A is used in conjunction with a positioning control structure 10 in order to facilitate replacement of the connected tool head B, as shown in Fig. 1, The post A is inserted into one end of the inner rod 11, and the other end of the inner rod 11 is connected to the tool head B. The inner rod 11 is provided with a sliding sleeve 12, and the sliding sleeve 12 faces the inner rod. The inner mask of the inner cover 11 has a notch 121. The notch 121 is displaceably received with a positioning steel ball 13. In the normal state, the notch 121 of the sliding sleeve 12 and the positioning steel ball 13 are in a dislocated state, so that the sliding sleeve 12 is forced against Positioning the steel ball 13 and the positioning steel ball 13 urges the tool head B to position the tool head B, and when the sliding sleeve 12 is elastically displaced relative to the inner rod 11, and the notch 121 of the sliding sleeve 12 faces the When the steel ball 13 is positioned, the positioning steel ball 13 slides into the notch 121 of the sliding sleeve 12, and the positioning of the tool head B is cancelled.

However, it can be known from the structural relationship of the above-mentioned prior art that in order to achieve the effect of the positioning control, the inner rod 11 must be fitted with the sleeve 12 to be achieved, and therefore, the outer diameter of the structure of the positioning control is increased, and the post is also made. A and the tool head B have a certain degree of difference in the outer diameter dimension of the positioning control structure 10, and the operation is very ergonomic and causes inconvenience and inflexibility in use, and the positioning control structure 10 It must be composed of the inner rod 11 and the sliding sleeve 12, so the weight of the positioning control structure 10 is also increased, and when the power is connected by the power tool, the power is consumed, which is the above-mentioned technology. Missing, this creator has also developed a small outer diameter quick release rod, but it feels that its structural stability can be further enhanced, so it is painstaking research and more in-depth conceived. After many research and development trials, it finally created A quick release lever structure with reduced outer diameter is improved.

The purpose of the present invention is to provide an improved detachment bar structure with reduced outer diameter, which is intended to provide an overall appearance of reduced outer diameter, improved flexibility of use, and improved overall structural stability.

In order to achieve the above objectives, the present invention provides an improved structure of the quick release lever that reduces the outer diameter, including:

a sleeve having a through hole formed by connecting the peripheral edges of the sub-head accommodating portion to the two side portions, the plucking head accommodating portion for inserting the sub-tool head together;

An operating unit comprising:

An operating member, a hollow structure, and the two ends are respectively open first end and second end;

a post, one end is a connecting end, the other end is a plug end, the post penetrates the operating member, and the connecting end is pierced by the second end of the operating member for connecting with the power tool;

a first positioning ring is sleeved outside the post and received in the operating member;

a return spring is sleeved outside the post and one end abuts against the first positioning ring;

a card engaging member is connected between one end of the two body portions, and the other end of each body portion is respectively connected with a locking portion, and the extending direction of the body of the engaging member is defined as an axial direction and a vertical axis Defined as a radial direction, and the sleeve portion is radially extended to a semi-circular structure, such that the sleeve portion protrudes laterally from the two body portions, and the extending direction of the locking portion and the extending direction of the body portion have 45 An angle of ±15 degrees, the latching member is disposed on the inner side of the operating member, and the body of the engaging member abuts against the connecting rod, and the sleeve portion abuts against the return spring, and the engaging portion of the engaging member The locking portion is pierced by the first end of the operating member;

The second positioning ring is disposed on the inner surface of the operating member, and the second positioning ring encloses the body of the engaging member against the sleeve portion of the engaging member; the operating unit has the first end of the operating member The sleeve is sleeved at one end of the sleeve, and the catching portion extending from the operating member penetrates into the side portion of the sleeve.

The quick release lever uses the card to achieve the function of positioning the screwdriver tool head, so that the outer diameter of the quick release lever can be greatly reduced, which not only enhances the flexibility of use, but also reduces the power driven by the power tool. Loss, and the user can easily control the positioning by the sliding of the operating member, and the operation is very convenient, and the card can be overlaid on the post by the sleeve of the semicircular structure. Can be more stable overall structural composition.

In order to enable your review committee to have a better understanding and understanding of the purpose, characteristics and efficacy of this creation, please follow the brief description of the following:

A preferred embodiment of the present invention for reducing the outer diameter of the quick release lever is shown in Figures 2 through 6, and includes:

a sleeve 20, a hollow tubular structure, the sleeve 20 has a first end 21 at one end and a second end 22 at the other end, the outer diameter of the second end 22 is smaller than the outer diameter of the first end 21, and the sleeve The through hole 23 has a through hole 23 which is formed by connecting at least one side portion 232 along the periphery of the sub-head accommodating portion 231. In this embodiment, the two diametrically opposed portions 231 are connected to each other. The side portion 232 has a hexagonal hole structure and penetrates the first end 21 and the second end 22, and the side portions 232 are opened by the second end 22 and extend to the first end. End 21;

An operating unit includes an operating member 30, a post 40, a C-shaped buckle 44, a first positioning ring 50, a return spring 60, a latching member 70, and a second positioning ring 80, wherein:

The operating member 30 has a hollow structure, and the two ends are respectively open first end 31 and second end 32. The inner diameter of the first end 31 of the operating member 30 is formed corresponding to the outer diameter of the second end 22 of the sleeve 20. The second end 32 of the operating member 30 has an opening 321;

One end of the post 40 is a connecting end 41, and the other end is a plug end 42. The connecting end 41 and the plug end 42 are respectively hexagonal column structures, and the outer periphery of the post 40 is provided with a plurality of locking recesses 43 around the outer circumference. The C-shaped buckle 44 is fastened into the locking recess 43 of the connecting rod 40. The connecting rod 40 is coupled with the C-shaped buckle 44 and penetrates the operating member 30, and the connecting end 41 of the connecting rod 40 is The opening 321 of the second end 32 of the operating member 30 passes through for connection with the power tool, and the insertion end 42 of the post 40 is passed through the first end 31 of the operating member 30;

The first positioning ring 50 is sleeved outside the connecting rod 40 and received in the operating member 30, and the first positioning ring 50 abuts against the C-shaped buckle 44;

The return spring 60 is disposed outside the post 40 and abuts against the first positioning ring 50, and the first positioning ring 50 is located between the C-shaped buckle 44 and the first positioning ring 50;

The latching member 70 has an elongated structure, and the end portion of the latching member 70 has a circular structure. The latching member 70 is connected to the sleeve portion 72 between the ends of the two body portions 71, and the body portions are connected to each other. Further, the other end is connected to a locking portion 73. The extending direction of the body portion 71 of the engaging member 70 is defined as an axial direction X, the vertical axis X is defined as a radial direction Y, and the sleeve portion 72 is extended to the radial direction Y. The semi-circular structure is such that the sleeve portion 72 protrudes laterally from the two-body portion 71, and the extending direction of the locking portion 73 is at an angle of 45±15 degrees with the extending direction of the body portion 71. Between the locking portion 73 and the body portion 71, there is an angle of 45 degrees. The engaging member 70 is disposed on the outer periphery of the operating member 30, and the body portion 71 of the engaging member 70 is placed against the body portion 71. The sleeve portion 72 of the latching member 70 can be abutted between the return spring 60 and the second positioning ring 80, and the locking portion 73 of the latching member 70 is controlled by the operating member 30. The first end 31 is pierced;

The second positioning ring 80 is received in the operating member 30 from the first end 31 of the operating member 30 and is connected to the inner surface of the operating member 30. The second positioning ring 80 of the embodiment is riveted to the operation. In the piece 30, the second positioning ring 80 is looped over the body 71 of the engaging member 70 and abuts against the sleeve portion 72 of the engaging member 70, and the sleeve portion 72 of the engaging member 70 is clamped. Between the return spring 60 and the second positioning ring 80, since the sleeve portion 72 of the engaging member 70 has a semicircular structure, the area clamped by the return spring 60 and the second positioning ring 80 increases. And can provide higher structural stability;

The operating unit is sleeved at the second end 22 of the sleeve 20 with the first end 31 of the operating member 30, and the engaging portion 73 of the locking member 70 extending from the operating member 30 is inserted into the sleeve 20 Within the two side portions 232;

A magnetic unit 90 is disposed between the first end 21 and the second end 22 of the sleeve 20, and the magnetic unit includes a magnetic housing 91, a magnetic member 92 and an elastic member 93. The magnetic housing 91 is disposed at one end of the magnetic housing 91, and the other end abuts against one end of the elastic member 93, and the other end of the elastic member 93 abuts against the insertion end 42 of the post 40, and the magnetic The magnetic member 92 of the suction unit 90 faces the first end 21 of the sleeve 20.

The above is an improved structural relationship of the quick release lever structure of the reduced outer diameter, and the sleeve 20 of the quick release lever is connected to the subtool head 100, and the screwdriver tool head 100 is replaced by the sleeve 20 One end 20 is inserted into the driver head receiving portion 231. The outer peripheral edge of the driver tool head 100 has a plurality of locking recesses 101, and when the user does not operate the quick release lever, the normal state is as shown in FIG. The screwdriver head 100 is inserted into the first end 21 of the sleeve 20 and pressed against the magnetic member 92 of the magnetic unit 90. The magnetic member 92 is pressed against the magnetic member 91 to compress the elastic member. 93, the magnetic member 92 magnetically attracts the screwdriver tool head 100, and the locking portion 73 of the latching member 70 extending into the sleeve 20 correspondingly receives the locking of the screwdriver tool head 100. In the recess 101, the driver tool head 100 is positioned with the quick release lever, and the return spring 60 of the operating unit normally supports the latching member 70 and the second positioning ring 80, and the second positioning is performed. The operating member 30 connected to the ring 80 with the first end 31 normally abuts against the sleeve 20;

When the driver tool head 100 is to be replaced, the user operates to pull the operating member 30, and the operating member 30 is moved away from the sleeve 20, and the operating member 30 is linked to the second positioning connected thereto. The ring 80, the second positioning ring 80 will also push against the sleeve portion 72 of the latching member 70, and the card retaining member 70 is displaced away from the sleeve 20 and compresses the return spring 60. When the latching member 70 is displaced away from the sleeve 20, the locking portion 73 of the latching member 70 is gradually extended and disengages from the locking recess 101 of the screwdriver bit 100, when the card of the latching member 70 is The portion 73 is separated from the locking recess 101 of the screwdriver bit 100. As shown in Fig. 5, the user can take out the replacement tool bit 100, which is very simple to use.

However, the improvement of the structure of the detaching rod which is reduced in the outer diameter of the present invention can not only achieve the effect of quick operation, but also the card member 70 for splicing the tool bit 100 of the present invention is a long structure. Reducing the outer diameter of the quick release lever, in this embodiment, can reduce the overall outer diameter by about 30%, which not only improves the flexibility of use, but also is due to the outer portion of the quick release lever. The reduced size of the diameter can also reduce the structural weight of the quick release lever and reduce the energy loss when the power tool is driven.

Moreover, since the card abutting member 70 is formed by bending a long strip structure having a circular cross section, not only is it simpler, but also the structural strength of the member can be increased, and the service life thereof can be improved;

At the same time, the contact area of the card holder 70 and the driver tool head 100 is increased by the partial body 71, and the contact area of the card holder 70 is increased. The sleeve portion 72 of the semicircular structure is clamped between the return spring 60 and the second positioning ring 80, and the sleeve portion 72 of the latching member 70 is clamped over a large area during clamping, so that the clip portion 72 can be more stably clamped. The provision of the screwdriver tool head 100 provides a more stable positioning, so that the screwdriver tool head 100 is more stable and safe to use; and the actuation is also due to the sleeve portion of the semi-circular structure of the card-receiving member 70, and the large-area push The offset can make the action more certain, and the certainty of the operation is also improved.

"Knowledge Technology"
10‧‧‧ Positioning Control Structure
11‧‧‧ Inner rod
12‧‧‧Sleeve
121‧‧‧ gap
13‧‧‧ Positioning steel balls
A‧‧‧Pole
B‧‧‧Tool head "This Creation"
20‧‧‧ casing
21‧‧‧ first end
2‧‧‧second end
23‧‧‧through holes
231‧‧‧Starting heads
232‧‧‧Side
30‧‧‧Operating parts
31‧‧‧ first end
32‧‧‧second end
321‧‧‧Open mouth
40‧‧‧Post
41‧‧‧Connecting end
42‧‧‧plug end
43‧‧‧卡定凹
44‧‧‧C-shaped buckle
50‧‧‧First positioning ring
60‧‧‧Return spring
70‧‧‧ card offset
71‧‧‧ Body
72‧‧‧ Sets
73‧‧‧Card Department
80‧‧‧Second positioning ring
90‧‧‧Magnetic unit
91‧‧‧Magnetic holder
92‧‧‧Magnetic parts
93‧‧‧Flexible parts
100‧‧‧Starting tool head
101‧‧‧卡定凹
X‧‧‧ axial
Y‧‧‧ radial

Figure 1 is a schematic view of a conventional quick release lever. Fig. 2 is a schematic exploded perspective view showing the improved structure of the quick release lever of the reduced outer diameter of the present invention. Fig. 3 is a schematic view showing the appearance of a three-dimensional structure in which the structure of the quick release outer diameter of the reduced outer diameter is improved. Fig. 4 is a cross-sectional view showing the use of the normalized normal screwdriver driver head for the structure of the quick release outer diameter of the reduced outer diameter. Fig. 5 is a cross-sectional view showing the structure of the quick release lever of the reduced outer diameter of the creation, pulling the operating member away from the sleeve, and disengaging the card from the tool bit. Fig. 6 is a cross-sectional view showing another modification of the structure of the quick release lever for reducing the outer diameter of the present invention.

20‧‧‧ casing

21‧‧‧ first end

22‧‧‧ second end

23‧‧‧through holes

231‧‧‧Starting heads

232‧‧‧Side

30‧‧‧Operating parts

31‧‧‧ first end

32‧‧‧second end

321‧‧‧Open mouth

40‧‧‧Post

41‧‧‧Connecting end

42‧‧‧plug end

43‧‧‧卡定凹

44‧‧‧C-shaped buckle

50‧‧‧First positioning ring

60‧‧‧Return spring

70‧‧‧ card offset

71‧‧‧ Body

72‧‧‧ Sets

73‧‧‧Card Department

80‧‧‧Second positioning ring

90‧‧‧Magnetic unit

91‧‧‧Magnetic holder

92‧‧‧Magnetic parts

93‧‧‧Flexible parts

100‧‧‧Starting tool head

101‧‧‧卡定凹

X‧‧‧ axial

Y‧‧‧ radial

Claims (9)

The invention relates to an improved structure of a fast-removing rod with a reduced outer diameter, comprising: a sleeve having a through hole, wherein the through hole is formed by connecting two side portions of a peripheral end of the sub-head receiving portion, the screwdriver head receiving portion is provided Inserting a sub-tool head; an operating unit comprising: an operating member, a hollow structure, and the two ends are respectively open first end and second end; one post, one end is a connecting end, and the other end is a a connecting end, the connecting rod penetrates the operating member, and the connecting end is passed out from the second end of the operating member for connecting with the power tool; a first positioning ring is sleeved outside the connecting rod and accommodated Inserting into the operating member; a return spring sleeved outside the post and abutting against the first positioning ring; a latching member connecting a set of portions between the ends of the two bodies, and the body The other end of the portion is respectively connected with a locking portion, the extending direction of the body of the engaging member is defined as an axial direction, the vertical axis is defined as a radial direction, and the sleeve portion is a semi-circular structure extending radially to the sleeve portion. Projecting laterally to the two body portions, and the extending direction of the locking portion and the extension of the body portion The clamping member has an angle of 45±15 degrees, the engaging member is disposed on the inner side of the operating member, and the body of the engaging member abuts against the connecting rod, and the sleeve portion abuts against the return spring, and the card The locking portion of the resisting member is passed through the first end of the operating member; and the second positioning ring is disposed on the inner surface of the operating member, and the second positioning ring is sleeved on the body of the engaging member and abuts against a sleeve portion of the locking member; the operating unit is sleeved at one end of the sleeve with the first end of the operating member, and the card engaging portion extending from the operating member penetrates the sleeve Inside the side section. The structure of the quick release outer diameter of the reduced outer diameter as described in claim 1, wherein the sleeve is a hollow tubular structure, and one end of the sleeve is a first end and the other end is a second end. The outer diameter of the second end of the sleeve is smaller than the outer diameter of the first end of the sleeve, and the inner diameter of the first end of the operating member is formed corresponding to the outer diameter of the second end of the sleeve, and the first end sleeve of the operating member Connected to the second end of the sleeve. The structure of the quick-release outer diameter of the reduced outer diameter of the second aspect of the invention is improved, wherein the driver's head receiving portion of the through hole of the sleeve has a hexagonal hole structure and penetrates the first end and the second end. And the side portion is opened by the second end and extends to a position near the first end. The structure of the reduced outer diameter of the quick release lever is improved according to the first aspect of the invention, wherein the second end of the operating member has an opening, the opening is a hexagonal hole structure, and the connecting end of the connecting rod The connecting end is a hexagonal column structure, and the connecting end of the connecting rod is pierced by the opening of the operating member, and the plug end of the connecting rod is pierced by the first end of the operating member. The structure of the quick release outer diameter of the reduced outer diameter as described in claim 1 is characterized in that the outer circumference of the post is provided with a plurality of locking recesses around the outer circumference, and a C-shaped buckle is engaged with the locking of the post. The first positioning ring abuts the C-shaped buckle, and the first positioning ring is located between the C-shaped buckle and the return spring. The structure of the quick release outer diameter of the reduced outer diameter as described in claim 1, wherein the engaging portion of the engaging member has an angle of 45 degrees with the body. The structure of the quick release outer diameter of the reduced outer diameter as described in claim 1, wherein the second positioning ring is riveted into the operating member. The improved structure of the quick release outer diameter of the reduced outer diameter as described in claim 2, further comprising a magnetic unit disposed between the first end and the second end of the sleeve, and the magnetic The suction unit comprises a magnetic housing, a magnetic member and an elastic member. The magnetic housing is disposed at one end of the magnetic housing, and the other end is abutted against one end of the elastic member, and the other end of the elastic member is further abutted against The plug end of the post and the magnetic member of the magnetic unit face the first end of the sleeve. The structure of the quick release outer diameter of the reduced outer diameter as described in claim 1 is improved, wherein the end portion of the retaining member has a circular cross section.