TWI524971B - Sleeve tool with protective cover construction - Google Patents

Description

Sleeve tool construction

The present invention relates to a protective sleeve construction for a sleeve tool; in particular, to a nut or bolt head having a locking clip that has been loosened, and having a work flow for reducing pollution, and capable of effectively applying an external force of impact Transfer out to increase the impact force, service life and an additional layer of protection.

According to the conventional sleeve structure, please refer to the approval certificate No. M331414 “Insulation sleeve”. The main feature is that the sleeve needs to be pressurized with the heat shrinking machine to make the sleeve reach a heat shrink sleeve. The tube and the sleeve are heated and pressurized to be compacted and fastened to the peripheral wall of the sleeve body. The heat shrinkable sleeve not only achieves the clamping and binding effect, but also has an insulating effect, and reaches the sleeve with the insulating sleeve. structure.

Because the sleeve of the prior art must be processed by electroplating, the outer surface of the sleeve can be formed with a layer of plating. However, when the electroplating factory is not ready to upgrade new equipment, it is often used for electroplating processing. In addition, the government has taken the lead in raising the cost of oil, electricity, water, labor, etc., in the past few years, when the large amount of polluted water is secretly discharged into rivers or underground areas, resulting in environmental protection and environmental damage. The cost of operating the electroplating process is also greatly increased, and the problem that the sleeve tool is forced to increase the price is a major problem.

Due to the sleeve of the prior art, although it has a thin protective layer, When the external force hits, it will often cause the impact point to rupture, even tearing and falling off, and reduce the impact force and the number of times it can withstand, and will reduce its service life is another major problem.

Therefore, how to develop a nut or bolt with a locking clip that has been loosened Head, and has a work process to reduce the pollution of the environment, and can effectively convert the impact force to improve the impact force and product service life that it is urgently needed to solve urgently.

The main content of the protective sleeve construction for the sleeve tool of the present invention is to provide a The utility model comprises a body, a protective sleeve which is arranged to rotate on the outer side of the body, and a ball which is restrained by the protective sleeve and can protrude from the inner side of the sleeve of the body, wherein the body is at least four corners of a tool. a four-corner connection portion for inserting a hole, a polygonal sleeve portion provided on the nut or the bolt head, and a positioning hole connected to the socket portion, wherein the connection portion and the socket portion are respectively located on the body Two ends, and at least one positioning hole is formed on a side of the socket portion, so that the ball can be accommodated in the positioning hole, and one end of the ball can protrude in the socket; and the protective cover is at least a hollow receiving portion for the body to be inserted, an abutting portion for restricting the sliding of the ball to fall off, and a limiting portion for having a fastening rotation between the body and the body, wherein the protective sleeve and the body are loosely fitted Rotatable state, and the sum of the shortest distance between the inner wall surface of the sleeve portion of the body of the positioning hole to the center line of the body and the maximum outer diameter of a ball is not greater than the protection adjacent to the outer side of the ball Nesting or abutting The maximum inner diameter of the part; in this way, it not only ensures that the ball will roll in the positioning hole of the body without being disengaged, so as to have a nut or a bolt head which is clamped and released, and at the same time, can also be externally When it hits the protective sleeve, it will force the protective sleeve to rotate on the body and effectively convert the external force to one side to improve the impact force and service life it can withstand, thereby achieving an additional layer of protection for its progressive effect. .

The invention adopts a protective cover directly on the outer surface of the body, so that the body does not need to enter The surface plating treatment is carried out to make it have a pollution-reducing work process, and to achieve the environmental protection concept of maintaining the environment ecology, and at the same time, the rust-proof layer that has been applied to the outer surface of the body is not in contact with other objects. Solid to achieve extended protection against rust is another big effect.

1‧‧‧ Ontology

10‧‧‧ Connection Department

11‧‧‧ Sockets

12‧‧‧Positioning holes

14‧‧‧ring

15‧‧‧ recessed area

2‧‧‧ protective cover

20‧‧‧ 容部

21‧‧‧Affiliation

22‧‧‧Limited

23‧‧‧Limited

24‧‧‧ concave ring groove

25‧‧‧Affiliation

3‧‧‧ balls

4‧‧‧ buckle

H1‧‧‧ shortest distance

H2‧‧‧Maximum inner diameter

H3‧‧‧Maximum outer diameter

Figure 1 is a perspective exploded partial cross-sectional view of the present invention.

Fig. 2 is a schematic exploded cross-sectional view of Fig. 1.

Fig. 3 is a combined sectional view of Fig. 2.

Fig. 4 is a sectional view taken along line A-A of Fig. 3.

Fig. 5 is a combined sectional view when the third figure is used.

Fig. 6 is a sectional view taken along line B-B of Fig. 5.

Figure 7 is a cross-sectional view showing a combination of still another embodiment of the present invention.

Figure 8 is a cross-sectional view showing a combination of still another embodiment of the present invention.

The present invention relates to a protective sleeve structure for a sleeve tool. Referring to Figures 1 to 6, a body 1 is provided, and a protective sleeve 2 for rotation on the outside of the body 1 is provided, and the protective sleeve 2 is restrained. The ball 3 protrudes from the inner side of the sleeve 11 of the body 1 , wherein the body 1 is at least provided by a tool (not shown, such as a ratchet wrench, a post, etc.) (not shown) a quadrangular connecting portion 10 for insertion, a polygonal sleeve portion 11 provided on a nut (not shown) or a bolt head (not shown), and a positioning communicating with the socket portion 11 The holes 12 are formed, and the connecting portion 10 and the socket portion 11 are respectively located at the two ends of the body 1. And at least one positioning hole 12 is formed in the side wall surface of the socket portion 10 so that the ball 3 can be received in the positioning hole 12, and one end of the ball 3 can protrude in the socket portion 11; The four-corner connecting portion 10 and the polygonal socket portion 11 are in a state of being connectable or not. The positioning holes 12 are arranged equidistantly on the outer side of the socket portion 11 of the body 1; The hardness of the body 1 is harder than the hardness of the protective cover 2.

The protective cover 2 is made of a hard material having a deformation amount and a repellable original shape. (For example, the plastic material is optimal), at least by a hollow receiving portion 20 for the body 1 to be placed, an abutting portion 21 for restricting the sliding of the ball 3, and having more than one and the body 1 The rotation of the limiting portion 22, 23, wherein the shape of the receiving portion 20 of the protective sleeve 2 is relative to the outer shape of the body 1, and the inner diameter of the receiving portion 20 is relatively larger than the outer diameter of the body 1. The rotation of the protective sleeve 2 and the body 1 is formed in a rotatable state, and the shortest distance H1 between the inner wall surface of the sleeve portion 11 of the body 1 of the positioning hole 12 and the center line of the body 1 is doubled and single. The total of the maximum outer diameters H3 of the balls 3 is not greater than the maximum inner diameter H2 of the accommodating portion 20 of the protective sleeve 2 adjacent to the outer side of the balls 3 or the abutting portion 21; and the shape of the hollow accommodating portion 20 is The shape of the outer surface of the body 1 is optimal, and the accommodating portion 20 has a class shape of different diameters up and down or a hollow shape of the same diameter.

When assembled and used, it is only necessary to first coat the outer surface of the body 1 with a layer of anti-rust oil. After the layer is placed, the ball 3 is placed in the positioning hole 12, and the receiving portion 20 of the protective cover 2 is directly placed on the body 1 until the limiting portions 22 and 23 of the protective cover 2 are respectively stuck. Abutting the two ends of the body 1 (as shown in Figures 3 and 4), the outer surface of the body 1 and the rustproof layer on the inside of the protective cover 2 are placed on the inside of the protective cover 2, and will not be with him. The object is dried and contacted to achieve the effect of preventing the rust from extending the warranty.

When impacted by an external force, due to the inner wall surface of the receiving portion 20 of the protective cover 2 and the body 1 The space between the outer surfaces will be interposed with air gas, so that the impacted protective cover 2 will first compress the air in the space to be squeezed out slowly, so that the first moment will cause a buffer impact and The ability to absorb the impact force, at the same time, the impact protection cover 2 will also produce a rotation on the body 1, in order to smoothly convert the impact force directly out, and improve the impact force and service life that can withstand, thereby achieving a layer The effectiveness of protection.

When the nut or bolt is loosened, the four-corner end of the ratchet wrench should be directly The cassette is sleeved in the connecting portion 10 of the body 1, and the sleeve portion 11 of the body 1 is placed on the nut or bolt to be loosened until the top edge of the nut or bolt to be loosened is convex. The ball 3 extending into the socket portion 11 is pushed outward until the side wall surface of the nut or the bolt head to be loosened is pressed against one side of the ball 3, so that the ratchet wrench can be started to drive the body 1 to follow. Rotate until the nut or bolt is completely loosened, and the nut (such as Figures 5 and 6) or the bolt head is clamped into the socket 11 of the body 1 and taken out following the body 1. .

Please refer to FIG. 7 for a further embodiment of the present invention. The main changes are The binding manner of the limiting portions 22 and 23 of the original protective cover 2 to the vicinity of the two ends of the body 1 is changed, so that the inner wall surface of the receiving portion 20 of the protective cover 2 is provided with an annular concave ring. The groove 24 is provided with a ring recess 14 on the outer surface of the body 1 of the recess ring groove 24, and the ring recess 14 is located below the positioning hole 12 to be directly buckled into the ring recess 14 and the concave ring groove by the buckle 4 In the case of 24, the protection sleeve 2 can be coupled to the body 1 in a relative rotation state, and the ball 3 can be moved in the positioning hole 12 by the restriction of the protective sleeve 2, and one end of the ball 3 can protrude. Into the socket portion 11 of the body 1; again, twice the shortest distance H1 between the inner wall surface of the sleeve portion 11 of the body 1 of the positioning hole 12 and the center line of the body 1 and a ball 3 The sum of the maximum outer diameters H3 is not greater than the maximum inner diameter H2 of the accommodating portion 20 of the protective cover 2 immediately adjacent to the outer side of the balls 3; as for the main structures of the body 1, the protective cover 2 and the balls 3 described above, The above content is described in detail, so it will not be described here.

Please refer to FIG. 8 , which is another embodiment of the creation. The main change is The binding manner of the limiting portions 22 and 23 of the original protective cover 2 to the vicinity of the two ends of the body 1 is changed, so that the outer surface of the body 1 which is located near the positioning hole 12 is formed with an annular recess. The region 15 and the inner wall surface of the protective sleeve 2 at the recessed portion 15 are formed with an inwardly projecting annular abutting portion 25, which is directly locked into the recessed portion 15 by the abutting portion 25 to achieve protection. The sleeve 2 can be coupled to the body 1 in a relative rotation state, and the ball 3 can be moved in the positioning hole 12 by the abutting portion 25 of the protective sleeve 2, and one end of the ball 3 can protrude into the body. In the socket portion 11 of the first portion; and the total distance between the inner wall surface of the sleeve portion 11 of the body 1 of the positioning hole 12 to the center line of the body 1 and the maximum outer diameter H3 of a ball 3 The combination is not greater than the maximum inner diameter H2 of the abutting portion 25 of the protective cover 2 adjacent to the outside of the ball 3; the main structures of the body 1, the protective cover 2 and the ball 3 described above have been described in detail above. Not to repeat here.

The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention; therefore, the features and spirits described in the scope of the present application are equally varied or modified. Within the scope of the patent application of the present invention.

1‧‧‧ Ontology

10‧‧‧ Connection Department

11‧‧‧ Sockets

12‧‧‧Positioning holes

2‧‧‧ protective cover

20‧‧‧ 容部

21‧‧‧Affiliation

22‧‧‧Limited

23‧‧‧Limited

3‧‧‧ balls

H1‧‧‧ shortest distance

H2‧‧‧Maximum inner diameter

H3‧‧‧Maximum outer diameter

Claims (5)

The utility model relates to a protective sleeve structure for a sleeve tool, comprising a body, a protective sleeve disposed on the outer side of the body for rotation, and a ball supported by the protective sleeve and protruding at one end of the sleeve portion of the body, wherein: the body is at least The utility model is composed of a connecting portion for inserting the four corner ends of the tool, a sleeve portion provided on the nut or the bolt head, and a positioning hole connected to the socket portion, and the connecting portion and the socket portion respectively The two ends of the body are formed, and at least one positioning hole is formed at a side of the socket portion, so that the ball can be accommodated in the positioning hole, and one end of the ball can protrude in the socket; the protective cover is at least a hollow receiving portion for receiving the body, an abutting portion for restricting the sliding of the ball, and a limiting portion for causing a fastening rotation between the body and the body, and the shape of the receiving portion of the protective cover is Relative to the outer shape of the body, and the inner diameter of the receiving portion is relatively larger than the outer diameter of the body, forming a rotatable state in which the protective sleeve and the body are loosely engaged, and the sleeve portion of the body that is located in the positioning hole Inner wall to body The sum of the shortest distance between the heart lines and the maximum outer diameter of one ball is not greater than the maximum inner diameter of the receiving portion of the protective sleeve immediately adjacent to the outer side of the ball; by the above configuration, the protective sleeve is coupled to the body The outer side is relatively rotatable and can form a gas space region between the protective sleeve and the body, and can restrict the movement of the ball in the positioning hole of the body, so that the snail with the locking clip is loosened Cap or bolt head, and has a work flow to reduce the pollution of the environment, and can effectively transfer the external force of the impact to improve the impact force, service life and an additional layer of protection. The utility model relates to a protective sleeve structure for a sleeve tool, which comprises a body, a protective sleeve which is placed on the outer side of the body for rotation, and a protective sleeve and a one end which can protrude from the inner side of the sleeve of the body The ball, wherein: the body is at least a connecting portion for inserting the four corner ends of the tool, a sleeve portion disposed on the nut or the bolt head, a positioning hole communicating with the socket portion, and being located below the positioning hole The ring portion is formed, and the connecting portion and the socket portion are respectively located at two ends of the body, and at least one positioning hole is formed at a side of the socket portion for the ball to be accommodated in the positioning hole, and One end of the ball can protrude in the socket; the protective sleeve is at least a hollow receiving portion for the body to be inserted, an abutting portion for restricting the ball from sliding off, and a concave ring groove for the buckle to be buckled The shape of the accommodating portion of the protective sleeve is relative to the outer shape of the body, and the inner diameter of the accommodating portion is relatively larger than the outer diameter of the body, and is fastened into the annular recess and the concave ring groove by the buckle. The protective sleeve can be combined with the relative rotation state of the body and the loose fit, and the total distance between the innermost wall of the sleeve portion of the body of the positioning hole to the center line of the body and the maximum outer diameter of a ball Is not larger than the protective sleeve next to the outside of the ball With the above structure, the protective sleeve is coupled to the outer side of the body to be relatively rotatable, and a gas space region can be formed between the protective sleeve and the body, and the ball can be restrained from being located on the body. The positioning hole is movable, so that it has a nut or a bolt head which is clamped and loosened, and has a work flow for reducing pollution environment, and can effectively transfer the external force of the impact to improve the bearing. Impact force, service life and an extra layer of protection. The utility model relates to a protective sleeve structure for a sleeve tool, comprising a body, a protective sleeve disposed on the outer side of the body for rotation, and a ball supported by the protective sleeve and protruding at one end of the sleeve portion of the body, wherein: the body is at least It is provided by a connecting part for inserting the four corner ends of the tool, and a set is provided on the nut or the screw a socket portion on the bolt head, a positioning hole connected to the socket portion, and an annular recessed portion located near the positioning hole, wherein the connecting portion and the socket portion are respectively located at the two ends of the body, and the socket portion The side of the side is formed with at least one positioning hole for the ball to be accommodated in the positioning hole, and one end of the ball can protrude in the socket; the protective cover is at least a hollow cavity for the body to be inserted a portion, and an abutting portion that restricts the ball from sliding off, and the shape of the receiving portion of the protective sleeve is opposite to the outer shape of the body, and the inner diameter of the receiving portion is relatively larger than the outer diameter of the body. An annular abutting portion protruding inwardly from the inner wall surface of the protective sleeve at the recessed portion of the body is formed by the abutting portion directly engaging the recessed portion, so that the protective sleeve can be coupled to the body The relative rotation state of the loose fit, and the sum of the shortest distance between the inner wall surface of the sleeve portion of the body of the positioning hole to the center line of the body and the maximum outer diameter of a ball is not greater than the adjacent ball The maximum inner diameter of the abutting portion of the outer protective sleeve; With the above configuration, the protective sleeve is coupled to the outer side of the body to be relatively rotatable, and a gas space region can be formed between the protective sleeve and the body, and the ball can be restricted from moving in the positioning hole of the body, so that The utility model has the nut or the bolt head which is clamped and has been loosened, and has the operation flow for reducing the pollution environment, and can effectively transfer the external force of the impact to improve the impact force, the service life and the first layer. The effectiveness of protection. The protective sleeve structure for a sleeve tool according to the first, second or third aspect of the invention, wherein the positioning holes are arranged on the body in an equidistant annular arrangement. The protective sleeve construction for a sleeve tool according to claim 4, wherein the hardness of the body is harder than the hardness of the protective cover.