CN210500002U

CN210500002U - Tool spanner

Info

Publication number: CN210500002U
Application number: CN201921394619.XU
Authority: CN
Inventors: 李翊诚
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-05-12
Anticipated expiration: 2029-08-26

Abstract

A tool wrench comprises an outer tube and an inner rod unit. The outer tube has a first sleeve section, a second sleeve section and a connecting section. The first sleeve section is provided with a first connecting hole and a first trepanning which extend along the radial direction. The second sleeve section is provided with a second connecting hole and a second sleeve hole which extend along the radial direction. The connecting section has an intermediate connecting hole extending in the radial direction. The inner rod unit comprises an inner rod, the inner rod is provided with a positioning section, and the positioning section is provided with an outer peripheral surface matched with the shape and the size of the first trepanning and a positioning bead capable of being pushed by an elastic spring. Therefore, the inner rod unit and the outer tube can be switched between a use state and a first storage state, when the inner rod is in the first storage state, the inner rod is contained in the outer tube, and the positioning ball of the inner rod is propped against the first trepan boring.

Description

Tool spanner

Technical Field

The present invention relates to a wrench, and more particularly to a tool wrench with multiple use modes.

Background

Referring to fig. 1 and 2, a tool wrench 1, for example, chinese utility model patent publication No. CN203418483U, includes an outer tube unit 11 and an inner rod unit 12 movably installed on the outer tube unit 11. The outer tube unit 11 has a hollow outer tube 111, and a first sleeve 112, a second sleeve 113 and a ring 114 respectively welded and fixed to the outer surface of the hollow outer tube 111, wherein the first sleeve 112 is located at one end of the hollow outer tube 111 and can be used for rotating objects such as bolts and nuts, and the second sleeve 113 is located at the other end of the hollow outer tube 111 and can also be used for rotating objects such as bolts and nuts. The ring cylinder 114 is located at the central section of the hollow outer tube 111. The first sleeve 112, the second sleeve 113 and the ring 114 each have a radially extending hexagonal hole 115. The inner rod unit 12 has a third sleeve 120, an inner rod 121 extending downward from the third sleeve 120 and capable of being engaged with each hexagonal hole 115, a plurality of metal beads 122 protruding from the inner rod 121 in a resilient manner, and a rubber ring 123 sleeved at the junction of the third sleeve 120 and the inner rod 121.

When in use, the outer tube unit 11 and the inner rod unit 12 can be used as socket wrenches separately, or the inner rod 121 of the inner rod unit 12 can be first inserted into one of the hexagonal holes 115 and cross-woven with the outer tube unit 11 in a cross or T shape, and then the first sleeve 112, the second sleeve 113 or the third sleeve 120 is used to disassemble and assemble bolts, nuts and other objects, so that the wrench has the advantages of being convenient to operate and apply force and capable of being operated in a labor-saving manner. After use, the inner rod unit 12 can be folded in the hollow outer tube 111 and the rubber ring 123 is tightly pressed in the trepan boring of the first sleeve 112 for positioning, so that the folded volume is small and the folded space is not occupied.

Although the tool wrench 1 has the above-mentioned multipurpose use characteristics, when the inner rod unit 12 is folded in the outer tube unit 11, the tool wrench needs to overcome the frictional resistance between the rubber ring 123 and the trepan boring of the first sleeve 112 for a complete circle, so that the tool wrench can be folded for a long time.

Disclosure of Invention

An object of the utility model is to provide a tool spanner that can receive and close fast.

The utility model discloses a tool spanner contains outer tube and interior pole unit. The outer tube extends in an axial direction and includes a tube wall that surrounds the axis and forms a passage that is open at both ends. The pipe wall is provided with a first sleeve section and a second sleeve section which are arranged in a reverse direction, and a connecting section which is connected with the first sleeve section and the second sleeve section. The first sleeve section is provided with a first connecting hole which extends along the radial direction and is penetrated in two directions, and a first sleeve hole which extends along the axial direction. The second sleeve section is provided with a second connecting hole which extends along the radial direction and is penetrated in two directions, and a second sleeve hole which extends along the axial direction. The connecting section is provided with a middle connecting hole which extends along the radial direction and is penetrated in two directions, and the first connecting hole, the first trepanning, the second connecting hole, the second trepanning and the middle connecting hole are polygonal holes with the same shape.

The inner rod unit is matched with the outer pipe, extends along the axial direction and is operatively connected with the outer pipe, and the inner rod unit comprises an inner rod and a plurality of limiting beads. The inner rod is provided with a head, a neck and a rod body which are sequentially arranged along the axial direction, the neck is provided with a positioning section adjacent to the head, the positioning section is provided with an outer peripheral surface matched with the shape and the size of the first trepan boring and a positioning bead which can be elastically arranged on the outer peripheral surface, and the cross section of the rod body is matched with the first connecting hole, the second connecting hole and the middle connecting hole. The limiting beads can be arranged on the rod body part in an elastic pushing mode, and the distance between every two adjacent limiting beads is larger than the outer diameter of the connecting section of the outer pipe.

Therefore, the inner rod unit and the outer pipe can be switched between a use state and a first storage state, when the inner rod unit is in the use state, the rod body part of the inner rod unit penetrates through one of the first connecting hole, the second connecting hole and the middle connecting hole of the outer pipe, when the inner rod unit is in the first storage state, the rod body part of the inner rod is contained in the channel of the outer pipe, and the positioning ball of the positioning section of the inner rod is propped against the first trepan boring.

The utility model discloses an instrument spanner, the passageway of outer tube is in the transversal circular of personally submitting of linkage segment.

The utility model discloses a tool spanner, the outer wall of the pipe wall of outer tube is circular in nature.

The utility model discloses a tool spanner, the linkage segment of outer tube have the external diameter with the external diameter of first sleeve section or the external diameter of second sleeve section is the same protruding ring portion in essence, the intermediate junction hole form in protruding ring portion, two adjacent spacing pearl the interval is greater than protruding ring portion's external diameter.

The utility model discloses an instrument spanner, the outer tube is the integrated forging shaping.

The utility model discloses an instrument spanner, the size in first trepanning of outer tube is greater than the size in second trepanning.

The utility model discloses an instrument spanner, the outer peripheral face of the location section of interior pole is hexagon or quadrangle.

The utility model discloses an instrument spanner, the head of interior pole has the edge the third trepanning that the axle direction extends, the third trepanning is polygonal hole.

The utility model discloses an instrument spanner, the neck of interior pole still have connect in the location section with the spacing section of shaft portion, spacing section has the annular that surrounds all around, and set up in the elastic ring of annular, interior pole unit with the outer tube still can convert to the second and accomodate the state during the state is accomodate to the second, the shaft section of interior pole hold in the passageway just the elastic ring is oppressed in the second trepanning.

The utility model discloses an instrument spanner still contains the adapter, interior pole still have with the neck reverse set up in the tail end of shaft portion, the tail end has the protruding pearl that can be pushed away by the bullet, adapter demountable installation in the tail end of interior pole support press in protruding pearl.

The beneficial effects of the utility model reside in that: through the shape and size of the outer peripheral face of location section with first trepanning cooperatees and location pearl bullet support in the design of first trepanning only needs overcome the single-point the elastic force of location pearl can with the location section pushes and is located first trepanning, consequently, the utility model discloses can receive fast and close.

Drawings

Other features and advantages of the present invention will become apparent from the following detailed description of the preferred embodiments with reference to the accompanying drawings, in which:

FIG. 1 is a sectional view of a tool wrench of the Chinese Utility model patent publication No. CN 203418483U;

FIG. 2 is a view similar to FIG. 1, illustrating an in-use state of a cross combination of an inner rod unit and an outer tube unit of the tool wrench;

FIG. 3 is an exploded perspective view of a first embodiment of the tool wrench of the present invention;

fig. 4 is an axial cross-sectional view of the first embodiment, illustrating a first stored state in which an inner rod unit of the first embodiment is received in an outer tube;

FIG. 5 is a cross-sectional view taken along line V-V of FIG. 4, illustrating a channel of the outer tube being circular in cross-section at a connecting section and a shaft portion of the inner rod unit being hexagonal in cross-section;

fig. 6 is a sectional view of the first embodiment, illustrating a use state in which the inner rod unit is inserted into a middle coupling hole of the outer tube;

fig. 7 is a view similar to fig. 6, illustrating another use state of the inner rod unit penetrating a first connection hole of the outer tube;

fig. 8 is an exploded perspective view of a second embodiment of the present invention;

FIG. 9 is an axial cross-sectional view of the second embodiment, illustrating a second stowed condition in which the inner rod unit is received within the outer tube;

fig. 10 is a sectional view of the second embodiment, illustrating the use state of the inner rod unit inserted through the intermediate coupling hole of the outer tube; and

fig. 11 is a view similar to fig. 10, illustrating another use state of the inner rod unit penetrating the first connection hole of the outer tube.

Detailed Description

Referring to fig. 3 to 5, the first embodiment of the tool wrench of the present invention includes an outer tube 2 and an inner rod unit 3. The outer tube 2 is formed by integral forging and extends along an axial direction X, so that the outer tube 2 has high structural strength, the outer tube 2 comprises a tube wall 21, the tube wall 21 surrounds an axial line L and forms a channel 20 with two open ends, and the tube wall 21 is provided with a first sleeve section 211 and a second sleeve section 212 which are arranged in an opposite direction, and a connecting section 213 connected to the first sleeve section 211 and the second sleeve section 212. Preferably, the cross section of the channel 20 of the outer tube 2 at the connecting section 213 is circular, and the outer wall surface of the tube wall 21 of the outer tube 2 is substantially circular.

Referring to fig. 3, 4 and 6, the first sleeve section 211 has a first connection hole 214 extending along a radial direction R and penetrating in both directions, and a first sleeve hole 215 extending along the axial direction X and used for rotating objects such as bolts and nuts. The second sleeve section 212 has a second connection hole 216 extending along the radial direction R and passing through in two directions, and a second sleeve hole 217 extending along the axial direction X and used for rotating objects such as bolts and nuts, preferably, the outer diameter of the first sleeve section 211 is larger than the outer diameter of the second sleeve section 212, and the size of the first sleeve hole 215 of the outer tube 2 is larger than the size of the second sleeve hole 217, thereby enabling the outer tube 2 to have sleeve functions of two different sizes, but in other variations, the size of the first sleeve hole 215 of the outer tube 2 can also be smaller than or equal to the size of the second sleeve hole 217, or can have the same function as a sleeve capable of rotating objects such as bolts and nuts. The connecting section 213 has a centrally located collar portion 218 and an intermediate connecting hole 219 formed in the collar portion 218, and the outer diameter of the collar portion 218 is substantially the same as the outer diameter of the first sleeve section 211. The intermediate connection hole 219 extends in the radial direction R and penetrates in both directions. The first connection hole 214, the first sleeve hole 215, the second connection hole 216, the second sleeve hole 217, and the middle connection hole 219 are polygonal holes with the same shape, and in this embodiment, are hexagonal holes. The first connection hole 214, the second connection hole 216 and the intermediate connection hole 219 have the same size.

The inner rod unit 3 is matched with the outer tube 2, extends along the axial direction X and is operatively connected to the outer tube 2, and the inner rod unit 3 comprises an inner rod 4 and a plurality of limiting beads 5. The inner rod 4 has a head 41, a neck 42, and a body 43 arranged in this order along the axial direction X. The head 41 of the inner rod 4 has a third hole 411 extending along the axial direction X, and the third hole 411 is a hexagonal hole and is used for rotating a bolt, a nut, and the like. The neck 42 has a locating section 421 adjacent to the head 41. The positioning section 421 has an outer peripheral surface 422 matching the shape and size of the first socket 215, and a positioning bead 423 elastically pushed on the outer peripheral surface 422, in the first embodiment, the outer peripheral surface 422 of the positioning section 421 of the inner rod 4 matches the shape of the first socket 215 to be a hexagon, but in other variations, the outer peripheral surface 422 of the positioning section 421 of the inner rod 4 can be other non-circular polygons, and the same function of positioning can be achieved. The shaft portion 43 is connected to the neck portion 42 and extends rearward, and the cross section of the shaft portion 43 has a hexagonal shape that fits the first connecting hole 214, the second connecting hole 216, and the intermediate connecting hole 219. The limiting beads 5 can be elastically arranged on the rod body part 43, wherein the distance between two adjacent limiting beads 5 is larger than the outer diameter of the convex ring part 218 of the outer tube 2.

The outer tube 2 and the inner rod unit 3 can be switched between a first storage state (see fig. 4) and a use state (see fig. 6). As shown in fig. 4, in the first storage state, the shaft portion 43 of the inner rod unit 3 is inserted into the outer tube 2 through the first sleeve hole 215 along the axial direction X, the shaft portion 43 of the inner rod 4 is accommodated in the passage 20, the outer peripheral surface 422 of the positioning section 421 is engaged with the first sleeve hole 215, and the positioning ball 423 is elastically abutted against the first sleeve hole 215 and can be stably positioned and retracted. As shown in fig. 6, in the use state, the inner rod unit 3 penetrates the protruding ring portion 218 of the outer tube 2 and is combined in a cross shape, the rod body portion 43 of the inner rod 4 penetrates the middle connection hole 219 of the outer tube 2, and is respectively blocked at two sides of the outer tube 2 by two adjacent limiting beads 5, so that the inner rod unit 3 is positioned at the protruding ring portion 218 of the outer tube 2 and cannot slide left and right, and thus the combination state can have the effect of labor saving operation when in use.

As shown in fig. 7, the inside rod unit 3 can also penetrate into the first sleeve section 211 of the outer tube 2, so that the shaft body 43 of the inside rod 4 penetrates into the first connection hole 214 of the first sleeve section 211, and the usage state of the T-shaped cross combination is also provided, which can save labor.

In the first embodiment, the shape and size of the outer peripheral surface 422 of the positioning segment 421 are matched with the first sleeve hole 215, and the positioning segment 421 can be pushed in and the positioning ball 423 can be elastically abutted against the first sleeve hole 215 to be folded only by overcoming the elastic force of the positioning ball 423 of a single point, so that the first embodiment can be rapidly folded.

Referring to fig. 8 to 11, the second embodiment of the present invention is similar to the first embodiment, and the difference lies in:

the inner rod 4 of the inner rod unit 3 further has a rear end 44 opposite to the neck 42 and disposed on the rod body 43, and the rear end 44 has a bead 441 capable of being pushed.

The tool wrench further comprises an adapter 6 detachably mounted to the inner rod unit 3. The adapter 6 is detachably mounted on the rear end 44 of the inner rod 4 and is pressed against the convex ball 441 for positioning. The adapter 6 includes a sleeve section 61 for being sleeved on the tail end portion 44, and a joint section 62 extending backward from the sleeve section 61, wherein the joint section 62 is used for being sleeved on various tool heads such as a screwdriver head, a sleeve head and the like, and has a function of changing into different sizes or shapes of trepanning holes.

The first connection hole 214, the first bushing hole 215, the second connection hole 216, the second bushing hole 217, and the middle connection hole 219 of the outer tube 2 are quadrilateral holes.

The cross section of the shaft body 43 of the inner shaft 4 is quadrangular. The neck 42 of the inner rod 4 further has a limiting section 424 connected to the positioning section 421 and the rod body 43, the limiting section 424 extends from the positioning section 421 to the rear in a tapered manner, the limiting section 424 has a circumferential ring groove 425, and an elastic ring 426 disposed in the circumferential ring groove 425.

As shown in fig. 9, when the inner rod unit 3 is to be folded in the outer tube 2, in addition to the first storage state in which the inner rod 4 is inserted into the outer tube 2 through the first sleeve hole 215 in the first embodiment, the shaft portion 43 of the inner rod unit 3 can be inserted into the outer tube 2 through the second sleeve hole 217 from another direction, and the shaft portion 43 of the inner rod 4 is accommodated in the passage 20 to be in a second storage state, and at this time, the elastic ring 426 of the limiting section 424 is pressed in the second sleeve hole 217 to be stably folded.

As shown in fig. 10 and 11, the second embodiment has a plurality of combinations, such as a cross assembly shown in fig. 10 or a T-cross assembly shown in fig. 11, which are the same as the first embodiment, and the adapter 6 can be selectively used while saving labor by the above-mentioned combination of the use status. In addition to the same purpose and function as those of the first embodiment, the second embodiment has the advantage of being able to receive and change the connectors with different specifications in two directions.

To sum up, the utility model discloses only need overcome the single-point the elastic force of location pearl 423 can with interior pole unit 3 accomodate in outer tube 2, so can receive fast receipts and close. Therefore, the object of the present invention can be achieved.

The above description is only an example of the present invention, and the scope of the present invention should not be limited thereby, and all the simple equivalent changes and modifications made according to the claims and the description of the present invention are still within the scope of the present invention.

Claims

1. A tool wrench, comprising: comprises the following steps:

the outer tube extends along an axial direction and comprises a tube wall, the tube wall surrounds an axial line and forms a channel with two open ends, the tube wall is provided with a first sleeve section and a second sleeve section which are arranged in an opposite direction, and a connecting section connected with the first sleeve section and the second sleeve section, the first sleeve section is provided with a first connecting hole which extends along a radial direction and is penetrated in a two-way mode, and a first trepanning hole which extends along the axial direction, the second sleeve section is provided with a second connecting hole which extends along the radial direction and is penetrated in a two-way mode, and a second trepanning hole which extends along the axial direction, the connecting section is provided with a middle connecting hole which extends along the radial direction and is penetrated in a two-way mode, and the first connecting hole, the first trepanning hole, the second connecting hole, the second trepanning hole and the middle connecting hole are polygonal holes with the same shape; and

an inner rod unit fitted to the outer tube and extending in the axial direction and operatively connected to the outer tube, the inner rod unit including:

an inner rod having a head, a neck and a body sequentially arranged along the axial direction, the neck having a positioning section adjacent to the head, the positioning section having an outer peripheral surface matched with the shape and size of the first trepan boring and a positioning bead elastically arranged on the outer peripheral surface, the cross section of the body matching with the first connecting hole, the second connecting hole and the middle connecting hole, and

the rod body part of the inner rod unit is arranged in one of the first connecting hole, the second connecting hole and the middle connecting hole of the outer tube in a penetrating mode in the use state, the rod body part of the inner rod unit is arranged in the channel of the outer tube in a penetrating mode in the first containing state, and the positioning beads of the positioning section of the inner rod are abutted to the first trepan boring in a bouncing mode.

2. The tool wrench of claim 1, wherein: the cross section of the channel of the outer pipe at the connecting section is circular.

3. The tool wrench of claim 1, wherein: the outer wall surface of the tube wall of the outer tube is substantially circular.

4. The tool wrench of claim 1, wherein: the connecting section of the outer pipe is provided with a convex ring part with the outer diameter substantially the same as that of the first sleeve section or that of the second sleeve section, the middle connecting hole is formed in the convex ring part, and the distance between two adjacent limiting beads is larger than the outer diameter of the convex ring part.

5. The tool wrench of claim 1, wherein: the outer pipe is integrally forged and formed.

6. The tool wrench of claim 1, wherein: the size of the first trepan boring of the outer tube is larger than the size of the second trepan boring.

7. The tool wrench of claim 1, wherein: the outer peripheral surface of the positioning section of the inner rod is hexagonal or quadrangular.

8. The tool wrench of claim 1, wherein: the head of the inner rod is provided with a third trepan boring extending along the axial direction, and the third trepan boring is a polygonal hole.

9. The tool wrench of claim 1, wherein: the neck of interior pole still have connect in the location section with the spacing section of shaft portion, spacing section has the annular that surrounds all around, and set up in the elastic ring of annular, interior pole unit with the outer tube still can convert to the second and accomodate the state during the state is accomodate to the second, the shaft portion of interior pole hold in the passageway just the elastic ring is oppressed in the second trepanning.

10. The tool wrench of claim 1, wherein: still contain the adapter, interior pole still have with the neck is reverse to be set up in the tail end of shaft portion, the tail end has the protruding pearl that can be pushed by the bullet, adapter demountable installation in the tail end of interior pole and support press in protruding pearl.