TWM620414U - Sleeve and working tool assembly - Google Patents

Abstract

The utility model provides a sleeve, which includes a sleeve body, a teeth structure and a stopping structure. The sleeve body has an opening and an inner wall. The teeth structure is disposed around the inner wall of the sleeve body and includes a plurality of inner teeth and a plurality of concave portions. Each of the concave portions is located between the adjacent two of the inner teeth. The stopping structure is disposed around the inner wall of the sleeve body and is further away from the opening than the teeth structure away from the opening. The stopping structure includes a through hole and an inner surrounding wall. The through hole is corresponding to the opening, the inner surrounding wall has a thickness, and the through hole passes through the inner surrounding wall. A stopping distance relative to the thickness of the inner surrounding wall exists between the each of the concave portions and the through hole. Therefore, it is favorable for improving the engagement between the sleeve and a working element.

Description

Sleeve and tool assembly

This model relates to a sleeve, in particular to a sleeve that can push against tool parts.

With the development of science and technology, when operating tool parts such as screws, users often use sleeves to engage the tool parts to increase the convenience of operation. When using the sleeve to engage the tool part, the user often applies excessive force to cause the tool part to fall off the sleeve, which causes a waste of time. In order to increase the stability of the sleeve clamping tool, many accessories used with the sleeve have been developed on the market, but this often increases additional manufacturing costs.

In view of this, a sleeve that can strengthen the engagement strength of the engagement tool without increasing the manufacturing cost is still the goal of the joint efforts of related industries today.

The purpose of the present invention is to provide a sleeve and tool assembly. By arranging a stop structure on the sleeve body, the stop structure can press against the tool when the tool is inserted into the sleeve, thereby strengthening the sleeve and the tool. The strength of the engagement between.

According to an embodiment of the present invention, a sleeve is provided, which includes a sleeve body, a tooth structure, and a stop structure. The sleeve body has an opening and an inner wall. The tooth structure is ringed on the inner wall of the sleeve body and includes a plurality of inner teeth and a plurality of notches. Each notch is located between two adjacent inner teeth. The stop structure is ringed on the inner wall of the sleeve body and is farther away from the opening than the tooth-like structure. The stop structure includes a through hole and an inner ring wall. The perforation corresponds to the opening, the inner ring wall has a thickness, and the perforation passes through the inner ring wall. There is a stopping distance from the notch part to the through hole relative to the thickness of the inner ring wall.

Thereby, when a tool piece is inserted into the sleeve from the opening of the sleeve body, the tool piece not only engages with the tooth structure, but also abuts against the stop structure, thereby increasing the stress of the sleeve acting on the tool piece. Strengthen the clamping strength of the sleeve clamping tool.

According to the sleeve of the foregoing embodiment, the tooth-like structure may further include a groove. The groove is arranged around the tooth structure, and the groove is located between the stop structure and the opening.

According to the sleeve of the foregoing embodiment, a distance between the groove and the stop structure may be greater than a distance between the groove and the opening.

The sleeve according to the foregoing embodiment may further include a clamping ring. The clamping ring is arranged in the groove, wherein a distance between the groove and the stop structure is smaller than a distance between the groove and the opening.

According to the sleeve of the foregoing embodiment, the tooth height of the inner tooth of the tooth structure is a, the stopping distance is d2, and the tooth height a and the stopping distance d2 can satisfy the following conditions: 0.5≤d2/a≤2.

According to an embodiment of the present invention, a tool assembly is provided, which includes a sleeve and a tool part. The sleeve includes a sleeve body, a tooth structure and a stop structure. The sleeve body has an opening and an inner wall. The tooth structure is ringed on the inner wall of the sleeve body and includes a plurality of inner teeth and a plurality of notches. Each notch is located between two adjacent inner teeth. The stop structure is ringed on the inner wall of the sleeve body and is farther away from the opening than the tooth-like structure. The stop structure includes a through hole and an inner ring wall. The perforation corresponds to the opening, the inner ring wall has a thickness, and the perforation passes through the inner ring wall. There is a stopping distance from the notch part to the through hole relative to the thickness of the inner ring wall. The tool includes a top portion, wherein the shape of the top portion corresponds to the shape of the tooth structure.

Thereby, when the tool part is inserted into the sleeve, the tool part body can be engaged with the tooth structure, and the top part can be pressed against the stop structure, increasing the position where the sleeve engages the tool part, and thus lifts the sleeve and the tool. The strength of the engagement between the pieces.

According to the tool assembly of the foregoing embodiment, the tooth-like structure may further include a groove. The groove is arranged around the tooth structure, and the groove is located between the stop structure and the opening.

According to the tool assembly of the foregoing embodiment, the sleeve may further include a clamping ring. The clamping ring is arranged in the groove, wherein the distance between the groove and the stop structure is smaller than the distance between the groove and the opening.

According to the tool assembly of the foregoing embodiment, a cross-section of the tooth-like structure has a first height h1, and the top portion has a top thickness A1. The first height h1 and the top thickness A1 can satisfy the following conditions: h1≥A1.

According to the tool assembly of the foregoing embodiment, the tool component may further include a receiving portion, wherein the shape of the receiving portion corresponds to the shape of the through hole of the stop structure.

The embodiments of the present invention will be described below with reference to the drawings. For the sake of clarity, many practical details will be explained in the following description. However, the reader should understand that these practical details should not be used to limit the present model. That is to say, in some embodiments of the present invention, these practical details are unnecessary. In addition, for the sake of simplification of the drawings, some conventionally used structures and elements will be drawn in a simple schematic manner in the drawings; and repeated elements may be represented by the same or similar numbers.

In addition, when a component (or mechanism or module, etc.) is “connected”, “configured” or “coupled” to another component in this document, it can mean that the component is directly connected, directly disposed, or directly coupled to another component It can also mean that an element is indirectly connected, indirectly disposed, or indirectly coupled to another element, that is, there are other elements between the element and another element. When it is clearly stated that a certain element is "directly connected", "directly arranged" or "directly coupled" to another element, it means that there is no other element between the element and another element. The terms first, second, third, etc., are only used to describe different elements or components, and have no limitation on the elements/components themselves. Therefore, the first element/component can also be renamed as the second element/component. And the combination of components/components/mechanisms/modules in this article is not a combination of general well-known, conventional or conventional in this field. It is not possible to judge whether the combination relationship is based on whether the component/component/mechanism/module itself is a conventional one. It can be easily completed by ordinary knowledgeable persons in the technical field.

Please refer to FIG. 1, which shows a schematic diagram of a sleeve 100 according to an embodiment of the present invention. The sleeve 100 includes a sleeve body 110, a tooth structure 120 and a stop structure 130. The sleeve body 110 has an opening 111 and an inner wall 112. The tooth structure 120 is ringed on the inner wall 112 of the sleeve body 110 and includes a plurality of inner teeth 121 and a plurality of notches 1211 (marked in the second figure). The stop structure 130 is disposed around the inner wall 112 of the sleeve body 110 and is farther from the opening 111 than the tooth structure 120. The stop structure 130 includes a through hole 131 and an inner ring wall 132. The perforation 131 corresponds to the opening 111. The inner ring wall 132 has a thickness t (marked in Figure 2). The perforation 131 penetrates the inner ring wall 132. The notch portion 1211 to the through hole 131 have a stopping distance d2 relative to the thickness t of the inner ring wall 132 (marked in FIG. 2). When a tool piece (not shown in the figure) is inserted into the sleeve 100 through the opening 111, the tool piece is engaged with the tooth structure 120, and a thickness stop distance d2 is exposed through the inner ring wall 132 relative to the recess portion 1211. The part abuts against the tool part, so as to prevent the tool part from falling off from the sleeve body 110 due to excessive force applied by the user during use. In detail, in the embodiment in Figure 1, the tool part can be a hexagonal screw, but the present invention is not limited to this. Specifically, the stop structure 130 of the sleeve 100 can strengthen the clamping strength of the sleeve 100 to engage the tool without adding additional components and causing additional manufacturing costs.

As shown in FIG. 1, the tooth structure 120 may further include a groove 122. The groove 122 is arranged around the tooth structure 120 and is located between the stop structure 130 and the opening 111. The tool part may generate debris due to wear and tear, thereby reducing the friction between the sleeve 100 and the tool part, so that the strength of the sleeve 100 to engage the tool part is weakened. Through the arrangement of the groove 122, when the tool part is inserted into the sleeve 100, the inner teeth 121 scrape the debris generated by the tool part to the groove 122 while engaging the tool part, which can prevent the debris from remaining in the tool part. This reduces the friction between the sleeve 100 and the tool part. In this way, the strength of the sleeve 100 engaging with the tool part can be prevented from being weakened.

Please refer to FIG. 2 in conjunction, which shows a front view of the sleeve 100 according to the embodiment in FIG. 1. As shown in Figure 2, the perforation 131 of the stop structure 130 is a circular perforation, but the present invention is not limited to this. In detail, in other embodiments, the shape of the perforation may be a square, a pentagon, or the like. In this way, the shape of the stop structure can be adjusted according to the needs of the user.

As shown in Figure 2, the tooth height of the inner tooth 121 of the tooth structure 120 is a, the stopping distance from the notch 1211 to the perforation 131 is d2, and the tooth height a and the stopping distance d2 can meet the following conditions: 0.5 ≤d2/a≤2. Specifically, the inner tooth 121 has a protruding end 1212. In detail, when 0.5≤d2/a≤1, the stopping distance d2 is less than or equal to the tooth height a of the inner tooth 121 (that is, the thickness t of the inner ring wall 132 does not exceed the convex end 1212 of the inner tooth 121), thereby reducing The manufacturing cost of the sleeve 100, and effectively strengthen the strength of the clamping tool part of the sleeve 100; when 1≤d2/a≤2, there is a distance d1 from the protruding end 1212 to the through hole 131, so as to increase the engagement of the stop structure 130 Stability of tool parts.

Please refer to FIG. 3, which shows a cross-sectional view of a sleeve 100a according to another embodiment of the present invention. The sleeve 100a includes a sleeve body 110a, a tooth structure 120a, and a stop structure 130a. The structures of the sleeve body 110a, the tooth structure 120a, and the stop structure 130a of the embodiment in FIG. 3 are the same as those of the sleeve body 110, the tooth structure 120, and the stop structure 130 of the embodiment in FIG. 1, and will not be repeated here. . In particular, the sleeve body 110a may include a connecting port 113a for connecting a connecting tool (not shown in the figure) to the sleeve 100a. The connecting tool may be a socket wrench, but the present invention is not limited to this.

Furthermore, a cross section of the tooth structure 120a has a first height h1, and a cross section of the stop structure 130a has a second height h2. Specifically, the second height h2 of the stop structure 130a is greater than the first height h1 of the tooth-shaped structure 120a, so as to prevent the connecting tool from entering the tooth-shaped structure 120a from the connecting port 113a due to excessive force, and then pushing the tool part against it, causing The tool piece is detached from the sleeve 100a.

Please refer to FIG. 4, which shows a cross-sectional view of a sleeve 100b according to another embodiment of the present invention. The sleeve 100b includes a sleeve body 110b, a tooth structure 120b, and a stop structure 130b. In the embodiment in FIG. 4, the sleeve body 110b has an opening 111b and an inner wall (not shown in the figure). The tooth structure 120b is ringed on the inner wall of the sleeve body 110b and includes a plurality of inner teeth (not shown in the figure) and a groove 122b. The groove 122b is arranged around the tooth structure 120b and is located between the stop structure 130b and the opening 111b. The structure of the stop structure 130b of the embodiment in FIG. 4 is the same as that of the stop structure 130 of the embodiment in FIG. 1, and will not be repeated here.

In particular, a cross section of the tooth structure 120b has a first height h1, and a cross section of the stop structure 130b has a second height h2. Specifically, the second height h2 of the stop structure 130b is smaller than the first height h1 of the tooth structure 120b. In the embodiment in Fig. 4, the tool part can be a hexagonal nut, but the present invention is not limited to this. Specifically, the first height h1 of the tooth-shaped structure 120b is greater than or equal to the thickness of the nut of the tool part, so that the tool part can be fully engaged with the tooth-shaped structure 120b, and the strength of the sleeve 100b with the tool part is strengthened.

As shown in FIG. 4, the distance between the groove 122b and the stop structure 130b may be greater than the distance between the groove 122b and the opening 111b. Due to the short distance between the groove 122b and the opening 111b, the internal teeth can scrape the debris on the tool part to the groove 122b when the tool part is inserted into the sleeve 100b, and the tool part is removed from the sleeve After 100b is removed, the debris scraped in the groove 122b can be quickly removed by the opening 111b. In this way, it is beneficial to quickly scrape off the debris on the tool piece.

Please refer to FIGS. 5 and 6, where FIG. 5 is an exploded view of the sleeve 100c according to another embodiment of the present invention, and FIG. 6 is a cross-sectional view of the sleeve 100c according to the embodiment of FIG. 5. As shown in FIGS. 5 and 6, the sleeve 100c includes a sleeve body (not shown in the figure), a tooth structure 120c, and a stop structure (not shown in the figure). The structure of the sleeve body and the stop structure of the embodiment in FIG. 5 is the same as the structure of the sleeve body 110 and the stop structure 130 of the embodiment in FIG. The tooth structure 120c is ringed on the inner wall of the sleeve body and includes a plurality of inner teeth 121c and a groove 122c. In particular, in the embodiment in FIG. 5, the sleeve 100c may further include a clamping ring 140c. The clamping ring 140c is disposed in the groove 122c, and the distance between the groove 122c and the stop structure is smaller than the distance between the groove 122c and the opening of the sleeve body.

Specifically, the clamping ring 140c is used to clamp a tool (not shown in the figure), and through the distance relationship between the groove 122c and the stop structure, the clamping capability of the clamping ring 140c can be increased. In the embodiment of Fig. 5, the tool part is a screw with a nut. Through the configuration of the clamping ring 140c and the stop structure, the clamping ring 140c clamps the nut, and the nut abuts against the stop structure, so as to prevent the nut from falling out of the clamping range of the clamping ring 140c. Thereby, it is beneficial to improve the engagement ability of the sleeve 100c to engage the tool part.

Please refer to FIG. 7, which shows an exploded view of the tool assembly 200 according to an embodiment of the present invention. The tool assembly 200 includes a sleeve 210 and a tool 220. The sleeve 210 includes a sleeve body 211, a tooth structure 212 and a stop structure 213. The sleeve body 211 has an opening 2111 and an inner wall (not shown in the figure). The tooth structure 212 is ringed on the inner wall of the sleeve body 211 and has a plurality of inner teeth 2121, a plurality of notches (not shown in the figure) and a groove 2122. Each notch is located between the two adjacent inner teeth 2121. The stop structure 213 is arranged around the inner wall of the sleeve body 211 and is farther away from the opening 2111 than the tooth structure 212. The stop structure 213 includes a through hole 2131 and an inner ring wall 2132. The perforation 2131 corresponds to the opening 2111, and the inner ring wall has a thickness (not shown in the figure). The perforation 2131 penetrates the inner ring wall 2132. There is a stopping distance from the notch portion to the through hole 2131 relative to the thickness of the inner ring wall 2132 (not shown in the figure). The tool 220 includes a top portion 221. The shape of the top portion 221 corresponds to the shape of the tooth structure 212.

Specifically, the tool member 220 can be engaged with the tooth structure 212 through the top portion 221 and abut against the stop structure 213. In this way, the ability of the sleeve 210 to engage with the tool part 220 can be strengthened.

In the embodiment of FIG. 7, a cross section of the tooth-like structure 212 has a first height h1 (not shown in the figure), and the top portion 221 has a top thickness A1. The first height h1 and the top thickness A1 can satisfy the following conditions: h1≥A1. Specifically, in the embodiment in Figure 7, h1=A1+2 mm. In this way, the stability of the sleeve 210 engaging the tool part 220 can be increased.

Furthermore, the tool component 220 may further include a receiving portion 222. The shape of the receiving portion 222 corresponds to the shape of the through hole 2131 of the stop structure 213. Through the configuration of the receiving portion 222, the receiving portion 222 can be engaged with the through hole 2131, and the position of the sleeve 210 for engaging the tool member 220 is increased. Thereby, it is beneficial to improve the engagement strength between the sleeve 210 and the tool part 220.

As shown in FIG. 7, the groove 2122 is arranged around the tooth structure 212 and is located between the stop structure 213 and the opening 2111. The sleeve 210 may further include a clamping ring 214. The clamping ring 214 is disposed in the groove 2122, and the distance between the groove 2122 and the stopping structure 213 is smaller than the distance between the groove 2122 and the opening 2111. In the embodiment in Fig. 7, the tool component 220 is a hexagonal screw, but the present invention is not limited to this. In detail, through the arrangement of the clamping ring 214 and the groove 2122, the clamping ring 214 can clamp the top portion 221 and the top portion 221 abuts the stop structure 213. Thereby, it is beneficial to improve the engagement strength between the sleeve 210 and the tool part 220.

The technical features such as the structure and relative position of the tooth structure and the stop structure in the plural embodiments disclosed in the above-mentioned invention can be combined and configured according to the requirements of different sleeves to achieve corresponding effects. In other words, the invention does not use the above-mentioned The contents disclosed in the embodiments are limited.

In summary, the sleeve and tool assembly provided by the present invention have the following advantages: First, through the configuration of the stop structure, the clamping strength of the sleeve clamping tool can be strengthened. Second, the groove of the tooth structure can prevent the chip from the tool from weakening the strength of the sleeve to engage the tool. Third, a receiving part can be further provided on the tool part to strengthen the engagement strength between the sleeve and the tool part.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention. Anyone who is familiar with this technique can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection of the present invention The scope shall be subject to the scope of the attached patent application.

100, 100a, 100b, 100c, 210: sleeve 110, 110a, 110b, 211: sleeve body 111, 111b, 2111: opening 112: Inner Wall 113a: connection port 120, 120a, 120b, 120c, 212: tooth structure 121, 121c, 2121: internal teeth 1211: Notch 1212: raised end 122, 122b, 122c, 2122: groove 130, 130a, 130b, 213: stop structure 131,2131: Piercing 132, 2132: inner ring wall 140c, 214: Clamping ring 200: Tool components 220: tool parts 221: reach the top 222: Acceptance Department a: tooth height A1: Top thickness d1: distance d2: stopping distance h1: first height h2: second height t: thickness

Figure 1 shows a schematic diagram of a sleeve according to an embodiment of the present invention; Figure 2 shows a front view of the sleeve according to the embodiment of Figure 1; Figure 3 shows a cross-sectional view of a sleeve according to another embodiment of the present invention; Figure 4 shows a cross-sectional view of a sleeve according to another embodiment of the present invention; Figure 5 shows an exploded view of the sleeve according to another embodiment of the present invention; Figure 6 shows a cross-sectional view of the sleeve according to the embodiment of Figure 5; and Figure 7 is an exploded view of the tool assembly according to an embodiment of the present invention.

100: sleeve

112: Inner Wall

121: Inner Teeth

1211: Notch

1212: raised end

132: inner ring wall

a: tooth height

d1: distance

d2: stopping distance

t: thickness

Claims (10)

A sleeve includes: a sleeve body with an opening and an inner wall; a tooth-like structure, ringed on the inner wall of the sleeve body, including: a plurality of inner teeth; and a plurality of notches, each The notches are located between the two adjacent inner teeth; and a stop structure is arranged on the inner wall of the sleeve body and is farther from the opening than the tooth structure. The stop structure includes: A perforation corresponding to the opening; and an inner ring wall having a thickness, wherein the perforation passes through the inner ring wall, and the notches to the perforation have a stop with respect to the thickness of the inner ring wall distance. The sleeve according to claim 1, wherein the tooth-shaped structure further comprises: a groove disposed around the tooth-shaped structure, and the groove is located between the stop structure and the opening. The sleeve according to claim 2, wherein a distance between the groove and the stop structure is greater than a distance between the groove and the opening. The sleeve according to claim 2, further comprising: a clamping ring disposed in the groove, wherein the groove and the stop structure are A distance between the groove and the opening is smaller than a distance between the groove and the opening. The sleeve of claim 1, wherein a tooth height of the inner teeth of the tooth structure is a, the stopping distance is d2, and the tooth height a and the stopping distance d2 satisfy the following conditions: 0.5

d2/a

2. A tool assembly includes: a sleeve, including: a sleeve body with an opening and an inner wall; a tooth-like structure, ringed on the inner wall of the sleeve body, and including: a plurality of inner teeth; and A plurality of notches, each of the notches is located between the adjacent two of the inner teeth; and a stop structure, which is arranged around the inner wall of the sleeve body and is farther from the opening than the tooth structure , The stop structure includes: a perforation corresponding to the opening; and an inner ring wall having a thickness, the perforation passes through the inner ring wall, wherein the notches to the perforation relative to the inner ring wall The thickness has a stopping distance; and a tool piece including: a top portion, wherein the shape of the top portion corresponds to the shape of the tooth structure. The tool assembly according to claim 6, wherein the tooth-shaped structure further comprises: a groove disposed around the tooth-shaped structure, and the groove is located between the stop structure and the opening. The tool assembly according to claim 7, wherein the sleeve further comprises: a clamping ring disposed in the groove, wherein a distance between the groove and the stop structure is smaller than the distance between the groove and the opening A distance between. The tool assembly according to claim 6, wherein a cross-section of the tooth-like structure has a first height h1, the abutment portion has a abutment thickness A1, and the first height h1 and the abutment thickness A1 satisfy the following conditions: h1

A1. The tool assembly according to claim 6, wherein the tool piece further comprises: a receiving portion, wherein the shape of the receiving portion corresponds to the shape of the through hole of the stop structure.

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