WO2006081763A1 - Emmanchement solide d'un outil a main - Google Patents

Emmanchement solide d'un outil a main Download PDF

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Publication number
WO2006081763A1
WO2006081763A1 PCT/CN2006/000166 CN2006000166W WO2006081763A1 WO 2006081763 A1 WO2006081763 A1 WO 2006081763A1 CN 2006000166 W CN2006000166 W CN 2006000166W WO 2006081763 A1 WO2006081763 A1 WO 2006081763A1
Authority
WO
WIPO (PCT)
Prior art keywords
hole
handle
hand tool
wedge
mounting hole
Prior art date
Application number
PCT/CN2006/000166
Other languages
English (en)
French (fr)
Inventor
Shusen Luo
Original Assignee
Shusen Luo
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shusen Luo filed Critical Shusen Luo
Priority to US11/815,551 priority Critical patent/US20090031869A1/en
Priority to EA200701670A priority patent/EA200701670A1/ru
Priority to EP06705587A priority patent/EP1849564A4/en
Publication of WO2006081763A1 publication Critical patent/WO2006081763A1/zh

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B23/00—Axes; Hatchets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25G—HANDLES FOR HAND IMPLEMENTS
    • B25G3/00—Attaching handles to the implements
    • B25G3/02—Socket, tang, or like fixings
    • B25G3/12—Locking and securing devices
    • B25G3/28—Locking and securing devices comprising wedges, keys, or like expanding means

Definitions

  • the present invention relates to a hand tool, and more particularly to a hand tool that is firmly attached. Background technique
  • the hand tool used for the handle, the mounting end of the handle and the hand tool mounting hole generally adopt several cross-sectional shapes such as a circle or an ellipse, and the handle and the mounting hole of the cross-sectional shape are simple in manufacturing and low in production cost, but this
  • the assembly structure is affected by factors such as climate, environment, temperature, humidity, and use conditions.
  • the handle is prone to volume shrinkage. When the shrinkage reaches a certain level, the handle and the hand tool head are loosened, which affects safe use.
  • the assembled end of the handle is deformed and deformed into a wedge shape having the same shape as that of the assembled blind hole, which greatly improves the tensile resistance of the axe or the hammer. Release and use safety, and extend the service life by more than 3 times.
  • the object of the present invention is to propose an axe or hammer having the same large pull-out force as proposed by PCT/CN03/00842.
  • the axe or hammer mounting hole is easy to manufacture, and when assembled with an adhesive, a large viscosity formula can be used. Adhesive, and does not need to seal the mounting end of the mounting hole, the production cycle is short, the yield is high, and the quality is good.
  • the hand-attached hand tool of the present invention comprises a hand tool head (1) and a handle (2), the hand tool head (1) has a mounting hole (11), and the handle (2) has a mounting end (21) characterized by a handle ( 2)
  • the cross section of the fitting end (21) has a shape formed by intersecting a plurality of arcs not at the same center point, and the arc intersection forms a concave corner (13), and the concave angle (13) of each cross section forms a longitudinal groove (23)
  • the mounting hole (11) of the hand tool head (1) is composed of a plurality of circular holes which intersect at adjacent holes of the loading end (S), and the mounting holes (11) are mounted
  • the cross-sectional shape of the end (S) is formed by the intersection of a plurality of arcs not at the same center point, and the intersection of the arcs forms a lobe (25), and the lobe (25) of each cross section forms a longitudinal rib (24).
  • the mounting hole (11) of the hand tool head (1) is a blind hole.
  • At least two adjacent holes in the circular hole form an angle greater than zero degrees, and a distance from a center point of the at least two adjacent holes is smaller than a distance away from a cross section near the loading end (S) The distance from the center point of the at least two adjacent holes in the cross section of the inlet end (S).
  • the circular holes are separated by at least two adjacent holes at a depth from the loading end (S), and at least two holes are formed in a cross section of the holes in which the at least two adjacent holes are separated
  • the shapes are all round, and there is a space (31) between adjacent circles, and the interval (31) of each cross section forms a longitudinal partition wall (30) having a wedge function, and the longitudinal partition wall (30) is fitted into the handle (2) after assembly. In the assembly end (21).
  • the length of a section of the hole near the loading end (S) is smaller than the diameter of the section of the hole away from the loading end (S).
  • At least one of the plurality of circular holes constituting the mounting hole (11) has a conical shape at a depth from the loading end (S).
  • the mounting hole (11) is provided with a wedge (3).
  • the length of the wedge (3) is greater than the depth of the mounting hole (11).
  • the handle (2) has a longitudinal hole in the center of each round (22)
  • the handle (2) has a longitudinal elastic pin (32) therein.
  • the mounting hole (11) is a through hole, and a wedge (3) is mounted in the mounting hole (11), and the other end (N) of the hand tool head (1) opposite to the loading end (S) There is a counterbore (14), a backing (5) is formed at the rear end of the wedge (3), and the countersink (5) is fitted into the counterbore (14) after assembly.
  • the wedge portion (9) of the wedge (3) has an inner hole (8).
  • the mounting end (21) of the handle (2) is formed with a transverse through hole (29), and a pin receiving groove (28) is formed at both ends of the lateral through hole (29), in the lateral through hole (29) Fitted with elastic pins (27).
  • the other end (N) of the hand tool head (1) opposite to the loading end (S) is provided with not less than one longitudinal through hole (12) having a size smaller than the bottom surface of the blind hole and communicating with the mounting hole (11).
  • the through hole (12) of the other end (N) is formed with a counterbore (14) at the other end (N).
  • a nail (6) is mounted in the through hole (12) of the other end (N), and the nail (6) has a wedge shape (9).
  • the nail (6) has a nail screw (26) at the front end and a sinking table (5) at the rear end.
  • the length of the nail (6) is greater than the total length of the hand tool head (1) and the handle (2) after assembly.
  • the nail (6) passes through the hand tool head (1) and the handle (2), and the screw (26) at the front end exposes the rear end of the handle and is connected with a nut (7).
  • the mounting hole (11) is provided with a counterbore (15) at the loading end (S). 06000166
  • An adhesive (20) is disposed between the mounting end (21) of the handle (2) and the mounting hole (11).
  • the outer edge of the handle (2) has a protective layer (4).
  • a solid axe or hammer including an axe hammer (1), handle (2) and wedge (3), handle (2) with a mounting end (21), axe hammer (1) with mounting holes (11)
  • the handle (2) is in the shape of a straight cylinder, the handle (2) is hollow, and has a hole (22); the assembly end (21) of the handle (2) has a sectional shape that is not in the same center point. The arc is connected.
  • the arc joint forms a concave corner, and the outer surface of the fitting end (21) forms a longitudinal groove.
  • the fitting hole (11) is a through hole or a blind hole, and the fitting hole (11) has a wedge shape at the bottom, and the end portion has a straight cylindrical shape, and the end sectional shape is the same as that of the fitting end (21).
  • the holes (22) are one or more.
  • the hole (22) is a through hole, and the hole (22) is a cylindrical shape.
  • the wedge (3) has a wedge shape at the top and a cylindrical shape at the bottom.
  • the length of the wedge (3) is greater than the length of the mounting hole (11).
  • the wedge (3) has an interference fit with the hole (22).
  • the assembly end (21) has an adhesive between the fitting end (11) and the fitting hole (11).
  • the outer edge of the handle (2) has a protective layer (4).
  • the firmly connected hand tool is assembled into the handle groove of the mounting hole, like a spline fit connection, and the mounting hole of the hand tool is integrally formed with a hand-integrated wedge-shaped longitudinal direction.
  • the longitudinal partition wall is fitted into the fitting end of the handle (2), and the fitting end of the handle (2) is pressed to be deformed into the same shape as the mounting hole.
  • the mounting hole is made into a blind hole. Since the mounting hole (11) and the handle mounting end (21) are both in the form of a circular arc connection, the general processing method can be used to conveniently produce the high-precision cross-section form.
  • the handle assembly end (21) and the mounting hole (11), the handle assembly end (21) is like a piston rod, the mounting hole (11) is like a hydraulic cylinder, and an adhesive is placed at the bottom of the blind hole, and the handle is normally assembled.
  • the pressure is generally 2 tons, and the mold assembly end (21) has a mold cross-sectional area of 150 mm 2 .
  • the handle assembly end (21 ) When the handle assembly end (21 ) is compressed to the adhesive, it can produce a pressure of 1.33 x 10 5 KPa, which can make the adhesive with higher viscosity.
  • the assembly method can use a viscosity agent with a large viscosity formula, or it can fully fill the joint portion.
  • the gap is not required to seal the mounting end of the mounting hole (11) first, saving time and effort, defective product rate, good product quality. As long as the adhesive does not flow, the assembled product can be packaged without being fully cured.
  • the process time is shortened, and the rust and dirt of the product in the process are avoided.
  • the connection of the hand tool is not affected by external climate, environment, temperature, humidity and the like, and is avoided. Stem volume shrinkage and aging of the adhesive, and the protective effect of the blind bore, in use, external impact is not directly connected to the site, to further improve the life of hand tools. In this way, the hand tool not only has large pulling force, but also has high anti-twisting and bending strength.
  • the hand-joined hand tool proposed by the invention has simple processing, low production cost, simplified assembly process, strong connection and high safety.
  • Figure 1 is a cross-sectional view of the first preferred embodiment of a hand-held tool
  • Figure 2 is a cross-sectional view taken along line C - C of Figure 1;
  • Figure 3 is a cross-sectional view of the hand tool head of the first preferred embodiment
  • Figure 4 is a B-direction view of Figure 3;
  • Figure 5 is a view of the handle of the first preferred embodiment
  • Figure 6 is a view taken along the line A in Figure 5;
  • Figure 7 is a cross-sectional view taken along line E - E of Figure 5;
  • Figure 8 is a cross-sectional view of the second preferred embodiment hand tool
  • Figure 9 is a C-(: sectional view of Figure 8.
  • Figure 10 is a cross-sectional view of the FF of Figure 8;
  • Figure 11 is a cross-sectional view of the hand tool head of the second preferred embodiment;
  • Figure 12 is a B-direction view of Figure 11;
  • Figure 13 is an L-L arrow view of Figure 11;
  • Figure 14 is a view of the handle of the preferred embodiment of the second embodiment
  • Figure 15 is a view taken along the line A in Figure 14;
  • Figure 16 is a cross-sectional view taken along line E-E of Figure 14;
  • Figure 17 is a cross-sectional view of the hand tool with a firm connection of the preferred embodiment of the third embodiment;
  • Figure 18 is a cross-sectional view of Figure 17 (-C;
  • Figure 19 is a cross-sectional view of the hand tool head of the third preferred embodiment.
  • Figure 20 is a B-direction view of Figure 19;
  • Figure 21 is a view of the handle of the preferred embodiment of the third embodiment.
  • Figure 22 is a cross-sectional view taken along line G - G of Figure 21;
  • Figure 23 is a cross-sectional view taken along line H - H of Figure 21;
  • Figure 24 is a view of a third preferred embodiment of the elastic pin
  • Figure 25 is a cross-sectional view of the fourth preferred embodiment of the hand-held tool;
  • Figure 26 is a cross-sectional view taken along line C - C of Figure 25;
  • Figure 27 is a cross-sectional view of the hand tool head of the fourth preferred embodiment.
  • Figure 28 is a cross-sectional view taken along line B of Figure 27;
  • Figure 29 is a view of the handle of the fourth preferred embodiment.
  • Figure 30 is a view taken along the line A in Figure 29;
  • Figure 31 is a cross-sectional view taken along line E - E of Figure 29;
  • Figure 32 is a cross-sectional view of a wedge of a fourth preferred embodiment
  • Figure 33 is a cross-sectional view showing a preferred embodiment of the fifth embodiment
  • Figure 34 is a cross-sectional view of the handle
  • Figure 35 is a front view of the wedge
  • Figure 36 is a left side view of the handle
  • Figure 37 is a cross-sectional view of the axe hammer
  • Figure 38 is a cross-sectional view of the axe hammer head B - B;
  • Figure 39 is a cross-sectional view of a sixth preferred embodiment
  • Figure 40 is a cross-sectional view of the handle
  • Figure 41 is a left side view of the handle
  • Figure 42 is a front view of the wedge
  • Figure 43 is a cross-sectional view of the axe hammer
  • Figure 44 is a cross-sectional view of the axe hammer head A - A;
  • Figure 45 is a cross-sectional view of the seventh preferred embodiment of the hand-held tool;
  • Figure 46 is a cross-sectional view taken along line C - C of Figure 45;
  • Figure 47 is a cross-sectional view of the hand tool head of the seventh preferred embodiment.
  • Figure 48 is a B-direction view of Figure 47;
  • Figure 49 is a view of the handle of the seventh preferred embodiment
  • Figure 50 is a view taken along the line A in Figure 49;
  • Figure 51 is a cross-sectional view taken along line E - E of Figure 49;
  • Figure 52 is a cross-sectional view of the wedge of the seventh preferred embodiment
  • Figure 53 is a view taken along line D of Figure 52;
  • Figure 54 is a cross-sectional view of the eighth preferred embodiment of the secure hand tool;
  • Figure 55 is a cross-sectional view taken along line C - C of Figure 54;
  • Figure 56 is a cross-sectional view of the hand tool head of the eighth preferred embodiment.
  • Figure 57 is a B-direction view of Figure 56;
  • Figure 58 is a cross-sectional view of the handle of the eighth preferred embodiment.
  • Figure 59 is a view taken along the line A in Figure 58;
  • Figure 60 is a cross-sectional view taken along line E - E of Figure 58;
  • Figure 61 is a view of a nail of an eighth preferred embodiment
  • Figure 62 is a cross-sectional view showing a preferred embodiment of the ninth preferred embodiment of the sturdy hand tool;
  • Figure 63 is a cross-sectional view taken along line C - C of Figure 62;
  • Figure 64 is a cross-sectional view of a hand tool head of a nine preferred embodiment
  • Figure 65 is a B-direction view of Figure 64;
  • Figure 66 is a cross-sectional view of the handle of the ninth preferred embodiment.
  • Figure 67 is a view taken along the line A in Figure 66;
  • Figure 68 is a sectional view taken along line E - E of Figure 66;
  • Figure 69 is a cross-sectional view of a wedge of a ninth preferred embodiment
  • Figure 70 is a view of a nail of a ninth preferred embodiment
  • Figure 71 is an enlarged view of Figure 62;
  • Figure 72 is a cross-sectional view showing the tenth preferred embodiment of the secure hand tool
  • Figure 73 is a cross-sectional view taken along line C - C of Figure 72;
  • Figure 74 is a cross-sectional view of the hand tool head of the preferred embodiment of the tenth embodiment
  • Figure 75 is a B-direction view of Figure 74;
  • Figure 76 is a cross-sectional view of the handle of the tenth preferred embodiment
  • Figure 77 is a view taken along line A of Figure 76;
  • Figure 78 is a sectional view taken along line E - E of Figure 77;
  • Figure 79 is a partial cross-sectional view of a nail of a tenth preferred embodiment
  • Figure 80 is a view of a tenth preferred embodiment nut
  • a preferred embodiment of the present invention includes a hand tool head (1) and a handle (2), as shown in Figures 3 and 4, a mounting hole for the hand tool head (1) (11) ) is a blind hole formed by the intersection of two inner and outer small circular blind holes.
  • the center line of the two holes is parallel to the center line of the assembled handle.
  • the two circular blind holes are close to the loading end (S)
  • the bottom of the loading end (S) is an inverted conical blind hole whose small end is connected with the cylindrical hole.
  • the cross-sectional shape of each hole of the mounting hole (11) is a two-section arc which is not in the same center.
  • two or so lobes (25) are formed at the junction of the orphans, and the lobes (25) of each section form two longitudinal ribs (24), and the mounting hole (11) is near the end of the loading end (S)
  • the portion is straight, and the cross-sectional dimension of the bottom hole away from the loading end (S) is larger than the cross-sectional dimension of the end hole near the loading end (S), which is a small inner and outer shape, and the loading end (S) is Counterbore (15).
  • the cross-sectional shape of the fitting end (21) of the handle (2) is formed by the intersection of two arcs not at the same center point, and the intersection of the arcs forms a concave angle (13).
  • the concave angle (13) of each section forms a longitudinal groove (23) of the surface, as shown in Fig. 1 and Fig. 2 after assembly, the rib (24) is embedded in the groove (23), and the handle (2) is close to the assembly end (
  • the front portion of 21) is placed in the counterbore (15), and the adhesive 20 is filled at the joint between the handle and the mounting hole, which not only improves the torsional and bending strength, but also reduces the production cost.
  • a second preferred embodiment of the present invention shown in Figures 8, 9, and 10, includes a hand tool head (1) and a handle (2), as shown in Figures 11 and 12, the hand tool head (1) is mounted.
  • the hole (11) is a blind hole
  • the mounting hole (11) is composed of three round blind holes, the center of the middle hole The line coincides with the center line of the handle after assembly, and the other two holes intersect the middle hole at the loading end (S), as shown in Fig. 11 and Fig.
  • the cross section of the mounting hole (11) at the loading end (S) The shape is formed by the intersection of thousands of segments that are not at the same center point, and the distance between the center points of the adjacent two arcs is smaller than the sum of the radii of the two orphans, and the intersection of the arcs forms a lobe (25), and the convexity of each cross section
  • the angle (25) forms a longitudinal rib (24), and the three cylindrical blind holes shown in Fig. 8, Fig. 10, Fig. 11, Fig. 12, Fig. 13 are three holes away from the loading end (S).
  • the distance between the centers of two adjacent arcs on the FF cross section of the three holes separated by the three holes is greater than the sum of the radii of the two arcs.
  • the two arcs become circles, and there are A section (31) formed by the material of the hand tool head (1), the interval (31) of each cross section forms a longitudinal partition wall (30) having a mold function, and the loading end (S) is provided with a counterbore (15). .
  • the cross-sectional shape of the fitting end (21) of the handle (2) shown in Fig. 14, Fig. 15, Fig. 16 is formed by the intersection of four arcs not at the same center point, and the intersection of the four arcs forms a W angle.
  • the return angle (13) of each section forms a longitudinal W groove (23), and a thousand longitudinal elastic pins (32) are provided in the handle (2).
  • the rib (24) is embedded in the groove (23) as shown in Fig. 8, Fig. 9, and Fig. 10.
  • the fitting end (21) of the handle (2) first contacts the bottom longitudinal partition (30) of the mounting hole 11, The handle continues to be loaded, and the partition (30) splits the assembled end of the handle (2) into three parts.
  • the partition (30) acts like a wedge integral with the tool head and is longitudinally embedded in (21) to prevent the handle (
  • the assembly end (2) of 2) produces fiber breakage when split by the partition wall (30), and a plurality of longitudinal elastic pins (32) are provided in the handle (2).
  • the fitting end (21) Due to the pressing action of the partition wall (30), the fitting end (21) is deformed into the same shape as the mounting hole (11), and an adhesive is provided between the fitting end (21) and the mounting hole (11), so that the handle (2) It is very firmly combined with the hammer head (1).
  • the loading end (S) is provided with a counterbore (15) for easy assembly of the handle and beautiful connection.
  • the outer edge of the handle (2) has a protective layer (4), and the protective layer (4) is made of a rubber-like elastic material. , can absorb the impact force when used.
  • a third preferred embodiment of the present invention includes a hand tool head (1) and a handle (2), and two elastic cross pins (27), as shown in FIG. 19 and FIG.
  • the mounting hole (11) of the hand tool head (1) is a blind hole formed by the intersection of two small and medium small circular blind holes.
  • the center line of the hole is parallel to the center line of the assembled handle, and the mounting hole (11)
  • the cross-sectional shape of each cross-section is formed by the intersection of two arcs not at the same center point, the intersection of the arcs forms a lobe (25), and the lobe (25) of each section forms a longitudinal rib (24), the mounting hole (11)
  • the cross-sectional dimension of the section near the loading end (S) is smaller than the section of the hole in the middle of the mounting hole (11), which is a medium-large outer shape, and the loading end (S) is provided with a counterbore (15), such as 21, 22, and 23,
  • the cross-sectional shape of the fitting end (21) of the handle (2) is formed by the intersection of two arcs not in the same center, and the intersection of the arcs forms a concave corner (13), each of which
  • the concave corner (13) of the cross section forms a longitudinal groove (23), and a transverse through hole 29 is formed at the loading end (21
  • the elastic pin (27) is an open elastic pin of a U-shaped structure. When the pressure is applied, the opening size is narrowed. After the pressure is removed, the opening size is widened. After assembly, the elastic pin is assembled. The pin (27) is inserted into the hole (29) and the opening is made rearward, and then the fitting end (21) of the handle (2) is fitted into the mounting hole (11), and the rib (24) is embedded in the four slots (23).
  • the elastic pin In the case where the elastic pin is inserted into the end of the mounting hole (11), the elastic pin (27) is pressed and sunk into the pin pocket (28), and when assembled, the elastic pin (27) At the mounting hole with a larger cross-sectional dimension of the middle portion, the elastic pin (27) is still in close contact with the hole wall due to the elastic action, and the fitting end (21) of the handle (2) is caught in the mounting hole by the elastic pin 27 ( In 11), the looseness is prevented, and the countersunk hole (15) is formed at the loading end (S), which is not only easy to assemble but also beautiful in connection, and the joint between the handle and the mounting hole is filled with an adhesive, which further enhances the joint strength.
  • a fourth preferred embodiment of the present invention includes a hand tool head (1), a handle (2), and a wedge (3), as shown in FIGS. 27 and 28 (1)
  • the mounting hole (11) is a blind hole formed by the intersection of two blind holes close to the loading end (S) and the cylindrical end away from the loading end (S) as an inverted cone type, and the center lines of the two holes are After assembly, the center line of the handle is parallel, and the cross-sectional shape of the mounting hole (11) is formed by the intersection of two segments that are not in the same center.
  • the intersection of the arcs forms a lobe (25), and the lobes of each section (25)
  • Forming a longitudinal rib (24) the bottom of the mounting hole (11) is wedge-shaped, the end is straight, and the loading end (S) is provided with a counterbore (15), as shown in Fig. 29, Fig. 30, Fig. 31,
  • the cross-sectional shape of the fitting end (21) of the handle (2) is formed by the intersection of two arcs not at the same center point, and the four corners (13) are formed at the intersection of the orphans, and the four corners (13) of each section form the longitudinal direction of the surface.
  • the wedge 32 has a female hole (8), so that the wedge (3) can be easily driven into the loading end (21) of the handle (2), and the wedge is assembled ( 3) Pre-spin the mounting end (21) of the handle (2) to the depth, and then insert the handle into the mounting hole (11).
  • the handle The impact force will completely push the wedge (3) into the handle (2) into the loading end (21) as shown in Fig. 25 and Fig. 26.
  • the loading end (21) is deformed by the pressing of the wedge (3), the top It becomes a wedge shape, and since the wedge (3) is hollow, the inner hole (8) is filled with the material of the handle, so that the wedge (3) is not easily released from the loading end.
  • a counterbore (15) is formed at the loading end (S), which facilitates assembly and makes the connection more aesthetically pleasing.
  • the joint between the handle fitting end (21) and the mounting hole (11) has an adhesive to further increase the joint strength.
  • the fitting hole 11 of the axe hammer head 1 is a blind hole.
  • the handle fitting end 21 is two arcs which are not at the same center and whose center is located on the center line of the handle.
  • the arc joint forms a concave corner, and two longitudinal grooves are formed on the outer surface of the fitting end 21. twenty three.
  • This embodiment includes an axe hammer 1, a handle 2 and a wedge 3.
  • the handle 2 has an inner space and has two holes 22, and the holes 22 are through holes, and the holes 22 have a cylindrical shape.
  • the inner handle can reduce the transmission of impact force during use and reduce the user's discomfort.
  • the axe hammer head 1 has a fitting hole 11, the bottom of the fitting hole 11 has a wedge shape, the end portion has a straight cylindrical shape, and the end sectional shape is the same as the sectional shape of the fitting end 21; the fitting hole 11 is Blind hole.
  • the top of the wedge 3 is wedge-shaped, the bottom is cylindrical, and the length of the wedge 3 is larger than the length of the fitting hole 11.
  • the wedge 3 extends into the handle 2 - the distance of the handle, which can enhance the strength of the joint between the handle and the axe hammer, and prevent the assembly end from being broken during use.
  • the cylindrical bottom of the wedge 3 is inserted into the hole 22, and the wedge-shaped top remains outside the hole 22.
  • the fitting end 21 on which the wedge 3 is mounted is fitted into the fitting hole 11 so that the top of the wedge 3 comes into contact with the bottom of the fitting hole 11.
  • the fitting end 21 is then fitted into the fitting hole 11 using an impact force. Under the action of the impact force, the wedge 3 is completely nailed into the hole 22, and the fitting end 21 is deformed by the pressing of the wedge-shaped top of the wedge 3, and the top of the fitting end 21 becomes a wedge shape.
  • the top of the wedge 3 has an appropriate shape, and the end portion of the assembly 21 is deformed to have the same shape as the bottom of the fitting hole 11, so that the handle 2 and the axe hammer head 1 are strongly joined together.
  • the length of the wedge 3 is greater than the length of the fitting hole, so that the wedge extends into the handle a certain distance, which can enhance the strength of the fitting end and prevent the assembly (21) from being broken during use.
  • the outer edge of the handle 2 has a protective layer 4, and the protective layer 4 is made of an elastic material such as rubber, and can absorb the impact force during use.
  • the fitting hole 11 of the axe hammer head 1 is a through hole.
  • the handle assembly end 21 has a cross section as shown in FIG. 41, which is composed of four arcs which are not at the same center and whose center is located on the center line of the handle.
  • the arc joint forms a concave corner, and four longitudinal directions are formed on the outer surface of the assembly end 21.
  • This embodiment includes an axe hammer 1, a handle 2 and a wedge 3. As shown in Fig.
  • the handle 2 has a straight cylindrical shape, and the handle 2 is hollow, and has three holes 22, and the hole 22 is a through hole, and the hole 22 has a cylindrical shape.
  • the inner handle can reduce the transmission of impact force during use and reduce the user's discomfort.
  • the axe hammer head 1 has a fitting hole 11, the bottom of the fitting hole 11 has a wedge shape, the end portion has a straight cylindrical shape, and the end sectional shape is the same as that of the fitting end 21; the fitting hole 11 is Through hole.
  • the top of the wedge 3 is wedge-shaped, the bottom is cylindrical, and the length of the wedge 3 is larger than the length of the fitting hole 11.
  • the wedge 3 extends into the handle 2 - segment distance, which can enhance the handle and The strength of the joint of the axe hammer prevents the assembly end from breaking during use.
  • the fitting end 21 of the handle 2 is first inserted into the fitting hole 11 of the axe hammer head 1, and then the wedge 3 is inserted into the hole 22, and the wedge 3 is completely nailed into the hole 22 using an impact force. Since the top of the wedge 3 is wedge-shaped, the end of the hole 22 is deformed after being driven into the hole 22.
  • the top of the wedge 3 has an appropriate shape, so that the end of the fitting end 21 is deformed to have the same shape as the bottom of the fitting hole 11, so that the handle 2 and The axe hammer 1 is very firmly bonded together.
  • the length of the wedge 3 is greater than the length of the fitting hole, so that the wedge extends into the handle a certain distance, which can enhance the strength of the fitting end and prevent the fitting end 21 from being broken during use.
  • the outer edge of the handle 2 has a protective layer 4, and the protective layer 4 is made of an elastic material such as rubber, and can absorb the impact force during use.
  • a seventh preferred embodiment of the present invention includes a hand tool head (1), a handle (2), and a wedge (3), as shown in FIGS. 47 and 48 (1)
  • the mounting hole (11) is a through hole, which is formed by the intersection of three through holes which are close to the loading end (S) and which are cylindrical away from the loading end (S), and the center line of the three holes is After assembly, the center line of the handle is parallel, and the cross-sectional shape of the mounting hole (11) is formed by the intersection of four arcs not in the same center, and the lobes are formed at the intersection of the arcs, and the lobes of each section (25) Forming a four-dimensional longitudinal rib (24), the mounting hole (11) is provided with a counterbore (15) at the loading end (S), at the other end of the hand tool head (1) opposite the loading end (S) ( N) also has a counterbore (14).
  • the mounting hole (11) has a straight cylindrical shape near the loading end and a wedge shape near the (N) end.
  • the sectional shape of the fitting end (21) of the handle (2) is absent.
  • Four arcs of the same center point are intersected, and four concave corners (13) are formed at the intersection of the arcs.
  • the concave corners (13) of each section form four longitudinal grooves (23), and the shape of the handle (2) is a straight cylinder.
  • the rear end of the wedge (3) is formed with a sinking table (5), which sinks the table
  • the cross-sectional shape of (5) is the same as the cross-sectional shape of the counterbore (14) of the hand tool head, and has a wedge shape (9) on the sinking table (5), and a three-pillar body 10 at the front end of the wedge shape (9), the three-pillar body
  • the size and position of the 10 corresponds to the hole (22) of the mounting end of the handle (2), and the length of the wedge (3) is greater than the length of the mounting head (11) of the hand tool head.
  • the loading end (S) is provided with a counterbore (15), which facilitates the assembly of the handle and is aesthetically pleasing. There is an adhesive between the fitting end (21) and the mounting hole (11).
  • An eighth preferred embodiment of the present invention includes a handle (2), a hand tool head (1), and a nail (6), as shown in FIG. 58, FIG. 59, and FIG. 2)
  • the cross-sectional shape of the assembly end (21) is formed by the intersection of two arcs not at the same center, and two concave corners (13) are formed at the intersection of the arcs, and the concave angle (13) of each section is at the loading end.
  • the outer surface of (21) forms two longitudinal IHJ slots (23), and the mounting end of the handle (2) is provided with a hole (22) for inserting the nail (6), as shown in Fig. 56 and Fig.
  • the cross-sectional shape of the mounting hole (11) is the same as the cross-sectional shape of the loading end (21), which is a straight hole blind hole, and a blind hole hole.
  • the bottom surface is provided with two through holes (12), and the through hole (12) is formed with a counterbore (14) on the other end (N) of the hand tool head (1) opposite to the loading end (S), as shown in Fig. 61.
  • the nail (6) has a anti-back screw (26) on the nail rod portion (10), and a sinking table (5) at the rear end.
  • the length of the nail (6) is larger than the length of the mounting hole, as shown in Fig. 54 (6) )
  • Insert the handle (2) a distance.
  • the end is inserted into the handle ( 2 ) through the through hole (12).
  • the table (5) of the nail ( 6 ) is loaded into the counterbore (14) at the (N) end of the hand tool head (1).
  • the hand tool head (1) is firmly connected to the handle (2), which is both beautiful and firm.
  • a counterbore (15) is formed at the loading end (S) to facilitate assembly of the handle (2) and to have an adhesive between the fitting end (21) and the mounting hole (11).
  • a ninth preferred embodiment of the present invention includes a handle (2), a hand tool head (1), a wedge (3) and a nail (6), as shown in Figure 66, Figure 67 and
  • the cross-sectional shape of the loading end (21) of the handle (2) is formed by the intersection of two arcs not at the same center, and two concave corners (13) are formed at the intersection of the arcs. 13)
  • Two longitudinal grooves (23) are formed on the outer surface of the loading end (21), and the fitting end of the handle (2) is provided with a hole (22) for facilitating the loading of the nail (6).
  • the mounting hole (11) of the hand tool head (1) is a blind hole, which is made up of two close to the loading end (S) which is cylindrical and away from the loading end (S) as a reverse cone.
  • the blind holes of the type are formed, the center lines of the two holes are parallel to the center line of the handle after assembly, and the cross-sectional shapes of the mounting holes (11) are formed by the intersection of two arcs not in the same center, and the intersection of the arcs Forming a lobe (25), the lobe (25) of each section forms a longitudinal rib (24), the bottom of the mounting hole (11) is wedge-shaped, the end is a straight cylinder, and the mounting hole (11) is a blind hole,
  • the other end (N) of the hand tool head (1) opposite to the loading end (S) has two through holes (12), the center position of the through hole (12) and the fitting end of the assembled handle (2) (21) ) of the pores (22) coincides with the location, in (N) manufactured by counter bore end (I 4) with
  • the wedge (3) has an inner hole (8).
  • the nail (6) has a retraction screw (26) at the front end, a countersunk (5) at the rear end, and a shank. Section (10) The surface size is smaller than the cross-sectional dimension of the inner hole (12) and the inner hole of the wedge (3), and the length of the nail (6) is larger than the length of the mounting hole, as shown in Fig.
  • the wedge (3) is driven from the (N) end of the hand tool head (1) through the through hole (12) to the handle (2) In the fitting end (21), the fitting end (21) is deformed by the wedge (3) wedge shape, and the shape is the same as the bottom of the mounting hole (11), so that the handle (2) and the hand tool head (1) are firmly fixed.
  • a counterbore is formed at the loading end of the mounting hole (11) to facilitate the assembly of the handle and to make the connection beautiful.
  • a tenth preferred embodiment of the present invention includes a handle (2), a hand tool head (1), and a nail (6), as shown in FIGS. 76, 77, and 78, the handle ( 2)
  • the cross-sectional shape of the assembly end (21) is formed by the intersection of two circles that are not at the same center, and two concave corners (13) are formed at the intersection of the arcs, and the W angle (13) of each section is at the loading end.
  • the outer surface of (21) forms two longitudinal IHJ slots (23), and the handle (2) has a straight cylindrical shape, and two longitudinal holes (22) for inserting the wedge nails (6) are formed, and the holes (22) are through holes.
  • the hole (22) has a cylindrical shape.
  • the mounting hole (11) of the hand tool head (1) is a blind hole, which is made up of two cylinders close to the loading end (S) and away from the loading end (S).
  • the conical blind holes are formed, the center lines of the two holes are parallel to the center line of the assembled handle, and the cross-sectional shapes of the mounting holes (11) are formed by the intersection of two arcs not in the same center, and the arcs are intersected.
  • the lobes (25) are formed, the lobes (25) of each section form a longitudinal rib (24), the bottom of the mounting hole (11) is wedge-shaped, the end is a straight cylinder, and the mounting hole (11) is a blind hole.
  • the other end N of the hand tool head (1) opposite to the loading end S is provided with two through holes (12), the center position of the through hole (12) and the assembly of the rear handle (2)
  • the holes ( 22 ) of the mating end ( 2 1) are coincident
  • the counterbore (14) of the through hole (12) is formed at the (N) end
  • the loading end (S) of the hand tool head (1) is formed with a sink.
  • the nail (6) has a screw (26) at its front end and a sinking table (5) at the rear end.
  • a wedge shape (9) is formed on the inner side of the sinking table (5).
  • the length of the nail (6) is greater than the total length of the hand tool head and the handle after assembly, as shown in Fig. 72, the screw (26) at the front end of the nail (6) passes through the hand.
  • the tool head (1) and the handle (2) are exposed at a distance from the rear end of the handle (2).
  • the handle is loaded into the mounting hole (11), and the nail (6) is removed from the hand tool head (1)
  • the N end is inserted into the inner hole (22) of the handle through the through hole (12).
  • the table (5) of the nail (6) is loaded into the counterbore (14) of the N end, and the nail (6)
  • the wedge portion (9), the fitting end (21) of the pressing handle (2) is deformed to be the same as the bottom wedge shape of the mounting hole (11), so that the handle (2) is firmly coupled with the hand tool head (1),
  • the nail body part of the nail (6) passes through the handle (2), and the screw (26) at the front end thereof is exposed to a certain length of the rear end of the handle, and the nut (7) is tightened on the screw (26), and the nut (7) is passed through the nut (7).
  • the cylindrical portion (10) of the nail (6) acts as a reinforcing rib on the handle, further enhancing the joint strength, and preventing the position of the handle from being broken at the time of use. Further securely connect the hand tool head (1) to the handle (2).
  • a counterbore is formed at the loading end of the mounting hole (11) to facilitate the assembly of the handle, and the connection is beautiful.

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Description

连接牢固的手工具 技术领域
本发明涉及一种手工具，特别是涉及一种连接牢固的手工具。 背景技术
现在所使用的手工具， 其手柄的装配端和手工具安装孔普遍 都采用圆方或椭圆等几种截面形状， 这种截面形状的手柄和安装 孔虽然制造简单、 生产成本低， 但这种装配结构受气候、 环境、 温度、 湿度、 使用条件等因素的影响， 手柄易产生体积收缩， 当 收缩达到一定程度就会造成手柄与手工具头的松脱， 影响安全使 用。 釆用胶粘剂装配时， 必须用胶粘剂先将手柄装配端与手工具 头安装孔靠近装入端密封良好后， 再漭封装配， 如该密封有一点 微小的间隙， 也会造成漏胶而形成次品， 胶粘剂固化后， 再将密 封用的胶粘剂消除干净， 费时费力， 而且胶粘剂的固化时间长， 手工具从装配、 灌装， 到产品包装， 需要两昼夜的时间， 工序时 间跨度长，且容易在工序中产生生锈、脏污等缺陷。申请人在 2003 年 9月 30日申请并已公开的 PCT/CN03/OO842发明专利 《连接 牢固的斧或锤》提出了一种连接牢固的斧子或锤子， 包括内空的 手柄、 斧头或锤头的倒楔形盲孔和倒楔块。 手柄的装配端位于盲 孔和倒楔块之间， 在倒楔块的作用下手柄的装配端产生形变， 变 形为与装配盲孔的形状相同的楔形， 大幅度提高了斧子或锤子的 抗拉脱力和使用安全性， 并延长使用寿命 3倍以上。 但申请人在 实践中发现， PCT/CN03/00842 提出的连接牢固的斧或锤， 其安 装孔采用圆型的倒楔型孔时，抗拉脱力虽然 4艮大，但手柄的抗扭转 强度不是很高， 其安装孔采用方型、 椭圆型的倒楔型盲孔时,装配 的斧子或锤子，抗拉脱力大，抗扭转强度也高，但这种孔制造难度 大， 难以用常规工艺批量化生产。 发明内容
基于以上事实本发明的目的是提出一种与 PCT/CN03/00842 提出的具有同样大拉脱力的斧子或锤子， 这种斧子或锤子安装孔 制造容易， 采用胶粘剂装配时， 可采用大粘度配方的胶粘剂， 且 不需要密封安装孔的装配端， 生产周期短， 成品率高， 质量好。 本发明连接牢固的手工具， 包括手工具头（1)和手柄（2)， 手工 具头 （1)具有安装孔（11), 手柄 （2)具有装配端 （21), 其特 征在于手柄（2)的装配端（21)的横截面具有由不在同一中心点 的若干段弧相交接而成的形状， 弧相交接处形成凹角 （13)， 各横 截面的凹角 （13) 形成纵向凹槽 （23), 手工具头 （1) 的安装孔 (11)由若干个圆形孔组成， 这些圆形孔在靠装入端（S)相邻孔 相交， 安装孔（11)在靠装入端（S)的横截面形状由不在同一中 心点的若干段圆弧相交接而成，弧相交接处形成凸角 （25), 各横 截面的凸角 （25) 形成纵向的凸棱（24), 装配后手工具头 （1) 的安装孔（11)的凸棱（24)嵌入手柄（2) 的装配端（21) 的凹 槽 （ 23 ) 中。
所述手工具头 （1) 的安装孔（11) 为盲孔。
所述圆形孔中至少有两个相邻孔之间成大于零度的夹角， 在 靠近装入端（ S )的横截面上所述至少两个相邻孔的中心点的距离 小于远离装入端（ S )的横截面上所述至少两个相邻孔中心点的距 离。
所述圆形孔中在离装入端（S)—定深度处至少有两个相邻孔 分开， 在所述至少两个相邻孔分开的这段孔的横截面上该至少两 孔的形状都成为圆， 相邻的圆间有一段间隔（31)， 各横截面的间 隔 （31)形成具有楔子作用的纵向隔壁 （30 ), 装配后纵向隔壁 (30)嵌入到手柄 （2) 的装配端 （21) 中。
所述组成安装孔（ 11 )的若干个圆形孔中的至少一个圆形孔， 其靠近装入端 （S) 的一段孔的直径小于远离装入端 （S) 的一段 该孔的直径。
所述组成安装孔（11) 的若干个圆形孔中的至少一个孔在离 装入端 （S) —定深度处该孔的形状为圆锥形。
所述的安装孔（11) 中装有楔子 （3)。
所述楔子 （3) 的长度大于所述安装孔（11) 的深度。
所述手柄 （2) 内在各圆孤的中心具有纵向的孔 （22)
所述手柄 （2) 内具有纵向的弹性销 （32 )。
所述安装孔（11) 为通孔， 在所述安装孔 （11) 中装有楔子 (3), 在与装入端 （S)相反的手工具头 （1) 的另一端 （N) 制 有沉孔（14), 楔子（3)后端制有沉台 （5), 装配后沉台 （5)装 入沉孔 （ 14 ) 中。
所述楔子 （3) 的楔形部分（9)有内孔（8)。
所述的手柄 （2) 的装配端 （21) 制有横向通孔 （29)， 在横 向通孔（29)的两端制有销子容槽（28), 在横向通孔（29) 中装 有弹性销子 （27)。
在与装入端 (S)相反的手工具头 (1) 的另一端 （N) 制有 不少于一个的尺寸小于盲孔底面并与安装孔（11)相通的纵向通 孔 ( 12 )。
所述另一端 (N)的通孔 ( 12 )在该另一端 (N)制有沉孔 ( 14 )。 在所述另一端 （N) 的通孔 （12) 中安装有钉子 （6), 所述 钉子 （6)具有一段楔形 （9)。
所述的钉子 （6) 的前端制有钉子螺丝 （26)， 后端制有沉台 (5), 钉子（6)的长度大于手工具头（1)与手柄（2)装配后的 总长度， 钉子 （6) 穿过手工具头 （1)及手柄 （2), 其前端的螺 丝 （26) 露出手柄的后端， 并连接有螺母（7)。
所述安装孔（11)在装入端 （S) 制有沉孔（15)。 06000166
所述手柄（ 2 )装配端（ 21 )与安装孔（ 11 )之间具有粘接剂 (20 )。
所述的手柄 （2) 的外缘具有保护层 （4)。
一种连接牢固的斧或锤， 包括斧锤头 (1)、手柄 (2)及楔子（3), 手柄 （2) 具有装配端 （21), 斧锤头 （1) 具有装配孔（11)， 其 特征在于： 所述的手柄 （2) 形状为直筒形， 手柄 （2) 内空， 具 有孔 （22); 手柄 （2) 的装配端 （21) 截面形状为不在同一中心 点的若干段弧连接而成。
弧连接处形成凹角， 装配端 （21) 外表面形成纵向凹槽。
装配孔 （11) 为通孔或盲孔， 装配孔 （11)底部为楔形， 端 部为直筒形， 端部截面形状与所述的装配端（21)截面形状相同。
所述的孔 （22)为一个或一个以上。
孔（22) 为通孔， 孔（22) 为圆柱形。
楔子 （3)顶部为楔形， 底部为圓柱形。
所述的楔子 （3) 的长度大于所述装配孔（11) 的长度。
楔子 （3) 与孔（22) 过盈配合。
所述的装配端 （21) 与装配孔 （11)之间具有粘接剂。
所述的手柄 (2)外缘具有保护层 (4)。
本发明所提出的连接牢固的手工具， 装配后安装孔的凸棱嵌 入手柄凸槽中， 如同花键配合连接， 而且该手工具的安装孔内制 有与手工具体一体的具有楔子作用的纵向隔壁， 纵向隔壁嵌入手 柄 （2) 的装配端， 并挤压手柄 （2) 的装配端使其产生型变， 成 为与安装孔相同的形状。 将安装孔制成盲孔， 由于安装孔 （11) 和手柄装配端 （21)都采用圆弧连接的截面形式， 利用通用加工 方法即可较方便地制作出精度较高的这种截面形式的手柄装配端 (21)和安装孔（11), 这种手柄装配端（21)如同活塞杆、 安装 孔 （11) 如同液压缸， 在盲孔的底部放有粘接剂， 手柄正常装配 的压力一般为 2吨， 手柄装配端 （21 ) 的模截面面积为 150mm2, 当手柄装配端（21 )压缩到胶粘剂时， 能产生 1.33xl05KPa的压强， 这样可将粘度较大的胶粘剂， 如粘度 0.32Pa · S的环氧树脂， 充分 的填充到手柄（2 )装配端（21 )的内部间隙及装配端（21 )与安装 孔（11 )之间的间隙中， 而不需要将环氧树脂加稀释剂降低到一定 的粘度再灌装， 这样不加稀释剂的环氧树脂粘接效果会更好， 该装 配方法可以采用大粘度配方的粘胶剂， 也可能充分填充连接部的间 隙， 装配时不需要先密封安装孔 ( 11 ) 的装配端， 省时省力， 次品 率次， 产品质量好， 装配后的产品只要胶粘剂不流动， 而不必全部 固化完全即可包装， 有效地缩短了工序时间， 避免了产品在工序上 的生锈和脏污， 这种手工具， 其连接部位不受外界气候、 环境、 温 度、 湿度等因素的影响， 避免了手柄体积收缩及粘接剂的老化， 同 时由于盲孔的保护作用， 在使用过程中， 外力不能直接冲击到连接 部位， 进一步提高了手工具的使用寿命。这样手工具不仅拉脱力大， 抗扭转及抗弯强度都很高， 本发明提出的连接牢固的手工具加工简 单、 生产成本低， 简化装配工艺， 并且连接牢固， 使用安全性高。 附图说明
图 1是第一优选实施例连接牢固的手工具的剖视图；
图 2是图 1的 C - C剖视图；
图 3是第一优选实施例手工具头的剖视图；
图 4是图 3的 B向视图；
图 5是第一优选实施例手柄的视图；
图 6是图 5的 A向视图；
图 7是图 5的 E - E剖视图；
图 8是第二优选实施例手工具的剖视图；
图 9是图 8的 C- (：剖面图；
图 10是图 8的 F-F剖面图； 图 11是第二优选实施例手工具头的剖视图；
图 12是图 11的 B向视图；
图 13是图 11的 L-L向视图；
图 14是笫二优选实施例手柄的视图；
图 15是图 14的 A向视图；
图 16是图 14的 E-E剖视图；
图 17是笫三优选实施例连接牢固的手工具的剖视图; 图 18是图 17的（： - C剖视图；
图 19是第三优选实施例手工具头的剖视图；
图 20是图 19的 B向视图；
图 21是笫三优选实施例手柄的视图；
图 22是图 21的 G - G剖视图；
图 23是图 21的 H - H剖视图；
图 24是第三优选实施例弹性销子的视图；
图 25是第四优选实施例连接牢固的手工具的剖视图; 图 26是图 25的 C - C剖视图；
图 27是第四优选实施例手工具头的剖视图；
图 28是图 27的 B向剖视图；
图 29是第四优选实施例手柄的视图；
图 30是图 29的 A向视图；
图 31是图 29的 E - E剖视图；
图 32是第四优选实施例楔子的剖视图；
图 33是笫五优选实施例的剖视图；
图 34是手柄剖视图；
图 35是楔子主视图；
图 36是手柄左视图；
图 37是斧锤头剖视图； 图 38是斧锤头 B - B向剖视图；
图 39是第六优选实施例的剖视图；
图 40是手柄剖视图；
图 41是手柄左视图；
图 42是楔子主视图；
图 43是斧锤头剖视图；
图 44是斧锤头 A - A向剖视图；
图 45是第七优选实施例连接牢固的手工具的剖视图; 图 46是图 45的 C - C剖视图；
图 47是第七优选实施例手工具头的剖视图；
图 48是图 47的 B向视图；
图 49是第七优选实施例手柄的视图；
图 50是图 49的 A向视图；
图 51是图 49的 E - E剖视图；
图 52是第七优选实施例楔子的剖视图；
图 53是图 52的 D向视图；
图 54是第八优选实施例连接牢固手工具的剖视图； 图 55是图 54的 C - C剖视图；
图 56是第八优选实施例手工具头的剖视图；
图 57是图 56的 B向枧图；
图 58是第八优选实施例手柄的剖视图；
图 59是图 58的 A向视图；
图 60是图 58的 E - E剖视图；
图 61是第八优选实施例钉子的视图；
图 62是笫九优选实施例连接牢固手工具的剖视图； 图 63是图 62的 C - C剖视图；
图 64是九优选实施例手工具头的剖视图； 图 65是图 64的 B向视图；
图 66是第九优选实施例手柄的剖视图；
图 67是图 66的 A向视图；
图 68是图 66的 E - E剖视图；
图 69是第九优选实施例楔子的剖视图；
图 70是第九优选实施例钉子的视图；
图 71是图 62的放大图；
图 72是第十优选实施例连接牢固手工具的剖视图;
图 73是图 72的 C - C向剖视图；
图 74是笫十优选实施例手工具头的剖视图；
图 75是图 74的 B向视图；
图 76是第十优选实施例手柄的剖视图；
图 77是图 76的 A向视图；
图 78是图 77的 E - E剖视图；
图 79是第十优选实施例钉子的局部剖视图；
图 80是第十优选实施例螺母的视图；
附图标记说明
1手工具头 11安装孔
2手柄 12N端通孔
3楔子 13弧相交接处 1HJ角
4保护层 14安装孔底端通孔的沉孔
5打子沉台 15安装孔装入端沉孔
6钉子 20股粘剂
7紧固螺母 21手柄装配端
8楔子楔型部分内孔 22手柄内孔
9楔子的楔型部分 23手柄装配端凹槽
10楔子底部的柱型 24安装孔凸棱 25安装孔截面凸角 31间隔
26钉子螺丝 32纵向弹性销
27弹性销子 S装入端
28销子容槽 N与装入端 S相反的手工 29横向通孔 具头 （1 ) 的另一端
30隔壁
以下结合附图对本发明作进一步说明：
具体实施方式
本发明的笫一优选实施例，如图 1、图 2所示包括手工具头 (1) 和手柄 (2), 如图 3、 图 4所示， 手工具头 (1)的安装孔 (11)为盲孔， 是由两个内大外小圆形盲孔相交形成的， 两孔的中心线都与装配 后手柄的中心线平行， 这两个圆形盲孔靠近装入端 (S)为圆柱型 孔， 离开装入端 (S)的底部为小端与圆柱型孔连接的倒圆锥型盲 孔， 安装孔 （11 )各段孔的截面形状为由不在同一中心的二段圆 弧相交接而成，孤相交接处形成两个凸角（25)，各截面的凸角（ 25 ) 形成两条纵向凸棱 (24)， 安装孔 (11)靠近装入端 （S ) 的端部为直 筒形， 远离装入端（S )的底部孔的截面尺寸大于靠近装入端（S ) 的端部孔的截面尺寸， 为内大外小的形状， 装入端（S )制有沉孔 (15)。 如图 5、 图 6、 图 7所示， 手柄 (2)的装配端 (21)的截面形状 为由不在同一中心点的两段圆弧相交接而成， 弧相交接处形成凹 角（13), 各截面的凹角 （13 )形成表面的纵向凹槽（23 )， 装配后 如图 1、 图 2所示， 凸棱 (24)嵌入凹槽 (23)中， 手柄 (2)靠近装配端 (21)的前部装入沉孔 (15)中，在手柄与安装孔的连接处填充有胶粘 剂 20, 既提高了抗扭及抗弯强度， 又降低了生产成本。
本发明的第二优选实施例， 图 8、 图 9和图 10所示， 包括手 工具头 (1)和手柄 (2), 如图 11、 图 12所示， 手工具头（1 )的安装 孔 (11)为盲孔， 安装孔 (11)是由三个圆型盲孔組成， 中间孔的中心 线与装配后手柄的中心线重合， 另两个孔在装入端（S )都与中间 孔相交， 如图 11、 图 12所示安装孔（11 )在装入端 （S ) 的横截 面形状为由不在同一中心点的若千段孤相交接而成， 相邻两弧中 心点的距离小于这两孤的半径之和， 弧相交接处形成凸角（25)， 各横截面的凸角（25)形成纵向凸棱 (24), 如图 8、 图 10、 图 11、 图 12、 图 13所示这三个圆柱型盲孔在离开装入端 （S ) —定深度处 三孔分开， 在三孔分开的这一段孔的 F-F横截面上相邻两圆弧中 心点的距离大于这两个圆弧的半径之和， 这两个圆弧成为圆， 相 邻两圆之间有由手工具头（1)的材料形成的一段间隔 (31), 各横截 面的间隔（31 )形成了具有模子作用的纵向隔壁 (30)， 装入端（S ) 制有沉孔（15 )。 如图 14、 图 15、 图 16所示手柄 （2 ) 的装配端 (21)的横截面形状为由不在同一中心点的四段弧相交接而成 , 四 段弧的相交接处形成 W角 （13 )， 各截面的回角（13)形成纵向 W槽 (23), 在手柄 (2)内设有若千支纵向的弹性销 (32)。 装配后如图 8、 图 9、图 10所示凸棱 (24)嵌入凹槽 (23)中，手柄（2 )的装配端（21 ) 先与安装孔 11底部纵向隔壁 (30)接触，将手柄继续装入，隔壁 (30) 就会将手柄（2 )的装配端劈开为三部分， 隔壁（30 )如同一个与 工具头一体的楔子， 纵向嵌入到 (21)中， 为了防止手柄（2 ) 的装 配端 (21)在被隔壁 （30 ) 劈开时产生纤维断裂， 在手柄 (2)内， 设 有若干支纵向的弹性销 (32)。由于隔壁 (30)的挤压作用，装配端 (21) 变形为与安装孔 (11)相同的形状， 装配端 (21)与安装孔 (11)之间具 有粘接剂， 使手柄 (2)与锤头 (1)非常牢固的结合在一起。
装入端 （S ) 制有沉孔 (15)， 便于手柄装配， 而且衔接美观， 手柄 (2)的外缘具有保护层 (4),保护层 (4)采用橡胶一类弹性材料制 成的， 可吸收使用时的冲击力。
本发明的第三优选实施例， 如图 17、 图 18所示， 包括手工 具头 (1)和手柄 (2)， 及二支弹性横销 (27)， 如图 19、 图 20所示， 手工具头 (1)的安装孔 (11)为盲孔， 是由两个中大外小圆形盲孔相 交形成的，孔的中心线都与装配后手柄的中心线平行，安装孔（ 11 ) 的各截面形状为由不在同一中心点的二段圆弧相交接而成， 弧相 交接处形成凸角 (25), 各截面的凸角（25)形成纵向凸棱 (24)， 安装 孔 (11)靠近装入端 （S ) 的截面尺寸小于安装孔（11 ) 中部的一段 孔的截面尺寸， 为中大外小的形状， 装入端 （S ) 制有沉孔 (15), 如图 21、 图 22、 图 23所示， 手柄 (2)的装配端 (21)的截面形状为 由不在同一中心的二段圆弧相交接而成， 弧相交接处形成凹角 (13), 各截面的凹角（13)形成纵向凹槽 (23), 在装入端 (21)制有横 向通孔 29, 在横向通孔 29的两端制有销子容槽 （28 ), 如图 24 所示， 弹性销子 （27 ) 为 ϋ字型结构的开口弹性销， 在受压时， 开口尺寸即变窄， 压力去除后， 开口尺寸又会变宽， 装配后， 将 弹性销子（27 )装入孔（29 )中并使其开口向后， 然后将手柄（2 ) 的装配端 (21)装入安装孔 (11)后， 凸棱 (24)嵌入四槽 (23)中， 弹性 销子装入到安装孔 （11 ) 的端部时， 弹性销子 （27 ) 受压， 沉入 销子容槽 （28 ) 中， 当装配到位后， 弹性销子 （27 )位与其中部 较大截面尺寸的安装孔处， 弹性销子 ( 27 ) 由于弹性作用仍与孔 壁紧密贴合， 通过弹性销子 27将手柄 （2 ) 的装配端 (21)卡在安 装孔 (11)中， 防止了松脱， 装入端 (S)制有沉孔 (15)， 不仅便于装配 而且衔接美观， 在手柄与安装孔的连接处填充有胶粘剂， 更增强 了连接强度。
本发明的第四优选实施例， 如图 25、 图 26所示， 包括手工 具头 (1)、 手柄 (2)及楔子 (3), 如图 27、 图 28所示手工具头 (1)的安 装孔 (11)为盲孔， 是由两个靠近装入端 （S ) 为圆筒型远离装入端 ( S )为倒圆锥型的盲孔相交形成的， 两孔的中心线都与装配后手 柄的中心线平行， 安装孔 （11 )各截面形状为由不在同一中心的 二段圆孤相交接而成 ,弧相交接处形成凸角（25) ,各截面的凸角（25) 形成纵向凸棱 (24)， 安装孔 (11)的底部为楔形， 端部为直筒形， 装 入端 （S ) 制有沉孔 (15), 如图 29、 图 30、 图 31 所示， 手柄 (2) 的装配端 (21)的截面形状为由不在同一中心点的两段圆弧相交接 而成， 孤相交接处形成四角（13), 各截面的四角（13)形成表面的纵 向凹槽（23 ), 如图 32所示楔子 (3)具有内孔 (8), 这样楔子 (3)能够 较容易地钉入手柄 (2)的装入端 (21), 装配时将楔子 (3)预先纵向钉 入手柄 （2 ) 的装配端 (21)—定深度， 然后将手柄装入安装孔 (11) 中， 当楔子 (3)顶部与安装孔 (11)的底部接触后， 手柄的冲击力会 将楔子 (3)完全钉入手柄（ 2 )装入端（ 21 ) 内 如图 25、 图 26所 示， 装入端 (21)受楔子 (3)的挤压产生形变， 顶部成为楔形， 由于 楔子 (3)内空，其内孔 (8)中充满了手柄的材料，这样楔子 (3)不易从 装入端松脱。
在装入端（ S )制有沉孔 (15), 能够便于装配且衔接更加美观。 手柄装配端 (21)与安装孔 （11 ) 的连接处具有粘接剂， 更增 强了连接强度。
本发明的笫五优选实施例， 如图 33 - 38所示， 斧锤头 1的装 配孔 11为盲孔。在本实施例中手柄装配端 21如图 36所示， 是不 在同一圆心且圆心位于手柄中心线上的两个圆弧， 弧连接处形成 凹角， 在装配端 21的外表面形成二条纵向凹槽 23。
本实施例包括斧锤头 1、 手柄 2及楔子 3。 如图 34所示， 手 柄 2形状为内空， 具有两孔 22, 孔 22为通孔， 孔 22的形状为圆 柱形。 内空的手柄可以降低使用时冲击力的传导， 降低使用者的 不适感。
如图 33和 36所示， 斧锤头 1具有装配孔 11 , 装配孔 11的 底部为楔形， 端部为直筒形， 端部截面形状与所述的装配端 21 截面形状相同； 装配孔 11为盲孔。 如图 35所示， 楔子 3顶部为 楔形，底部为圆柱形，并且楔子 3的长度大于所述装配孔 11长度。 如图 33所示楔子 3伸入手柄 2—段距离，可以增强手柄与斧锤头 连接处的强度， 防止装配端在使用时断裂。 在装配时， 将楔子 3 的圆柱形底部插入孔 22内， 楔形顶部留在孔 22外面。 将安装了 楔子 3的装配端 21装入装配孔 11内， 使楔子 3顶部与装配孔 11 底部接触。 然后使用冲击力将装配端 21安装进装配孔 11内。 在 冲击力的作用下， 楔子 3完全钉入孔 22内， 装配端 21受到楔子 3楔形顶部的挤压产生形变， 装配端 21顶部成为楔形。 楔子 3顶 部具有适当的形状， 装配在 21的端部形变后形状与装配孔 11的 底部相同， 使手柄 2和斧锤头 1非常牢固的结合在一起。 楔子 3 的长度大于装配孔的长度， 这样楔子伸入手柄一定距离， 可以增 强装配端的强度， 防止装配（21 )在使用中断裂。
装配端 21与装配孔 11之间具有粘接剂。
手柄 2外缘具有保护层 4, 保护层 4采用橡胶一类的弹性材 料制成， 可以吸收使用时的冲击力。
本发明的第六优选实施例， 如图 39至图 44所示， 斧锤头 1 的装配孔 11 为通孔。 在本实旋例中手柄装配端 21截面如图 41 所示，是不在同一圆心且圆心位于手柄中心线上的四条圆弧组成， 弧连接处形成凹角， 在装配端 21的外表面形成四条纵向凹槽 23。 本实施例包括斧锤头 1、 手柄 2及楔子 3。 如图 40所示， 手柄 2 形状为直筒形， 手柄 2内空, 具有三个孔 22, 孔 22为通孔， 孔 22的形状为圆柱形。 内空的手柄可以降低使用时冲击力的传导， 降低使用者的不适感。
如图 43和 44所示， 斧锤头 1具有装配孔 11， 装配孔 11的 底部为楔形， 端部为直筒形， 端部截面形状与所述的装配端 21 截面形状相同； 装配孔 11为通孔。 如图 42所示， 楔子 3顶部为 楔形， 底部为圆柱形， 并且楔子 3的长度大于所述装配孔 11的长 度。 如图 39所示， 楔子 3伸入手柄 2—段距离， 可以增强手柄与 斧锤头连接处的强度， 防止装配端在使用时断裂。 在装配时， 先 将手柄 2的装配端 21插入斧锤头 1的装配孔 11, 然后将楔子 3 插入孔 22， 并使用冲击力将楔子 3完全钉入孔 22内。 由于楔子 3 顶部为楔形， 钉入孔 22后导致孔 22的顶端产生形变， 楔子 3顶 部具有适当的形状， 使装配端 21的端部形变后形状与装配孔 11 的底部相同， 使手柄 2和斧锤头 1非常牢固的结合在一起。 楔子 3 的长度大于装配孔的长度， 这样楔子伸入手柄一定距离， 可以 增强装配端的强度， 防止装配端 21在使用中断裂。
装配端 21与装配孔 11之间具有粘接剂。
手柄 2外缘具有保护层 4， 保护层 4采用橡胶一类的弹性材 料制成， 可以吸收使用时的冲击力。
本发明的第七优选实施例， 如图 45、 图 46所示， 包括手工 具头 (1)、 手柄 (2)和楔子 (3), 如图 47、 图 48所示手工具头 (1)的安 装孔 (11)为通孔， 是由三个靠近装入端 （S )为圆筒型远离装入端 ( S )为倒圆锥型的通孔相交形成的，三孔的中心线都与装配后手 柄的中心线平行， 安装孔（11 )各截面形状为由不在同一中心的 四段圆弧相交接而成，弧相交接处形成凸角（25) ,各截面的凸角（25) 形成四奈纵向凸棱 (24), 安装孔 (11)在装入端 （S ) 制有沉孔 (15)， 在与装入端 （S )相反的手工具头 （1 ) 的另一端 （N )也制有沉 孔 (14)。 安装孔 (11)靠近装入端的端部为直筒形， 靠近（N ) 端为 楔形， 如图 49、 图 50、 图 51所示， 手柄 (2)的装配端 (21)的截面 形状为不在同一中心点四段圆弧相交接而成， 弧相交接处形成四 个凹角（13)， 各截面的凹角（13)形成四条纵向凹槽 (23), 手柄 (2)的 形状为直筒形、 具有三个纵向孔 (22), 孔 (22)为通孔， 孔 (22)的形 状为圆柱形， 内空的手柄可以降低使用时冲击力的传导， 使用更 舒适。
如图 52、 图 53所示， 楔子 (3)的后端制有沉台 （5 ), 该沉台 ( 5 )的截面形状与手工具头的沉孔 (14)的截面形状相同， 在沉台 ( 5 )上有楔形 (9), 在楔形（9)的前端制有三支柱体 10， 三支柱体 10的尺寸与位置同手柄 (2)装配端的孔 (22)对应，楔子 (3)的长度大 于手工具头安装孔 (11)的长度。
装配时， 先将手柄 (2)的装配端 (21)装入手工具头 (1)的安装孔 (11)内，安装孔 (11)凸棱 (24)嵌入到手柄凹槽 (23)中，然后将楔子 (3) 的三支柱体 10 分别插入手柄 (2)的三个孔 (22)中， 并钉入手柄 (2) 内，继续使用冲击力将楔形部分 (9)也釘入手柄 (2)的装入端 (21)中， 由于楔形 (9)的挤压使装入端 (21)的顶端形变为楔形， 装配到位后 楔子 (3)的沉台（5 )沉入沉孔 (14)中， 由于楔子 (3)的柱形部分钉入 手柄 (2)内，楔形部分 (9)将装入端挤压变形为与安装孔底部形状相 同的楔形， 这样不仅有效地防止手工具头的松脱， 而且楔子 (3)对 安装孔又起到了密封作用。
装入端（S )制有沉孔 (15)， 能够便于手柄装配， 且衔接美观。 装配端 (21)与安装孔 (11)之间具有粘接剂。
本发明的第八优选实施例，如图 54、图 55所示，包括手柄 (2)、 手工具头 (1)及钉子 (6), 如图 58、 图 59、 图 60所示， 手柄 （2 ) 的装配端 （21 ) 的横截面形状是由不在同一圆心的两个圆弧相交 接而成， 弧相交接处形成两个凹角（13), 各截面的凹角（13)在装入 端 (21)的外表面形成二条纵向 IHJ槽 (23), 手柄 （2 ) 的装配端制有 便于装入钉子 (6)的孔 (22)， 如图 56、 图 57所示， 手工具头 (1)具 有安装孔 (11), 安装孔 （11 )是由两个圆柱型的盲孔相交形成的， 两孔的中心线都与装配后手柄的中心线平行， 安装孔（11 )各截 面形状为由不在同一中心的二段圆弧相交接而成， 安装孔 (11)的 截面形状与所述的装入端 (21)的截面形状相同， 为直筒形的盲孔， 在盲孔的孔底面制有两个通孔 (12)， 通孔 (12)在与装入端 （S )相 反的手工具头（1 )的另一端（N )上制有沉孔 (14), 如图 61所示， 钉子 (6)钉杆部分 (10)上制有防退螺丝 (26), 后端制有沉台（5)， 钉 子 (6)的长度大于安装孔的长度， 如图 54所示钉子 (6)伸入手柄 (2) 一段距离， 在装配时， 将手柄装配端 (21)装入安装孔 (11)中， 然后 将钉子 (6)从手工具头的有沉孔 (14)的（N )端穿过通孔 (12)钉入手 柄 (2)中， 装配到位后， 钉子 (6)的沉台（5)装入手工具头 (1)上 （N ) 端的沉孔 (14)中， 将手工具头（1)与手柄 (2)牢固连接， 既美观又牢 固。
在装入端（S )制有沉孔 (15), 便于手柄 (2)的装配， 且衔接美 装配端 (21)与安装孔 (11)之间具有粘接剂。
本发明的第九优选实施例， 如图 62、 图 63和 71所示， 包括 手柄 (2)、 手工具头 (1)、 楔子 (3)及釘子 (6), 如图 66、 图 67和图 68所示， 手柄（2 )的装入端 (21)的横截面形状由不在同一圆心的 两个圆弧相交接而成， 弧相交接处形成两个凹角（13) , 各截面凹 角（13)在装入端 (21)的外表面形成二条纵向凹槽 (23), 手柄（2 )的 装配端制有便于装入钉子 (6)的孔 (22)。 如图 64、 图 65所示， 手 工具头 (1)的安装孔 (11)为盲孔， 是由两个靠近装入端（S )为圆筒 型远离装入端（S )为倒圆锥型的盲孔相交形成的， 两孔的中心线 都与装配后手柄的中心线平行， 安装孔（11 )各截面形状为由不 在同一中心的二段圆弧相交接而成， 弧相交接处形成凸角（25)， 各截面的凸角（25)形成纵向凸棱 (24) , 安装孔 (11)的底部为楔形， 端部为直筒形， 安装孔 (11)为盲孔， 在与装入端 （S )相反的手工 具头（1 )的另一端（N )有两个通孔 (12)， 该通孔 (12)的中心位置 与装配后手柄（2 )的装配端 (21)的孔 (22)的位置重合， 在（N )端 制有通孔 （12 ) 的沉孔 (I4) , 手工具头 （1 )在装入端 （S ) 制有 沉孔 (15), 如图 69所示楔子 (3)具有内孔 (8), 如图 70所示钉子 (6) 前端制有防退螺丝 (26),后端制有沉台（5),且其钉杆部分 (10)的截 面尺寸小于通孔 (12)和楔子 (3)内孔的截面尺寸， 钉子 (6)的长度大 于安装孔的长度， 如图 62 所示， 伸入手柄 (2)—段距离， 在装配 时，将手柄（2 )的装配端装到安装孔 (11)中后， 将楔子 (3)从手工具 头（1)的 （N ) 端穿过通孔 (12)钉入到手柄 (2)的装配端 (21)中，装配 端 (21)受到楔子 (3)楔形的挤压产生形变后，形状与安装孔 (11)底部 相同，使手柄 (2)和手工具头 (1)牢固地结合在一起， 然后将钉子 (6) 从手工具头（1)的 （N ) 端穿过通孔 (12)、 顺着已装入手柄 (2)内的 楔子 (3)的内孔 (8)装入手柄 (2)中，装配到位后， 钉子 (6)的沉台（5)， 装入到手工具头 (1) ( N ) 端的沉孔 (14)中， 这样钉子 (6)不仅能防 止楔子的退出，更进一步将手工具头 (1)与手柄 (2)牢固连接。
在安装孔 (11)的装入端制有沉孔， 便于手柄的装配， 且衔接 美观。
装配端 (21)与安装孔 (11)之间具有粘接剂。
本发明的第十优选实施例， 如图 72、 图 73所示， 包括手柄 (2)、 手工具头（1)及钉子 (6), 如图 76、 图 77和图 78所示， 手柄 (2)装配端 (21)的横截面形状是由不在同一圆心的两个圆孤相交接 而成， 弧相交接处形成两个凹角（13), 各截面的 W角（13)在装入端 (21)的外表面形成二条纵向 IHJ槽 (23),手柄 (2)形状为直筒形， 制有 便于装入楔形钉子 (6)的两个纵向孔 (22)， 孔 (22)为通孔， 孔 (22)的 形状为圆柱形。 如图 74、 图 75所示， 手工具头 (1)的安装孔 (11) 为盲孔， 是由两个靠近装入端 （S ) 为圆筒型、 远离装入端 （S ) 为倒圆锥型的盲孔相交形成的， 两孔的中心线都与装配后手柄的 中心线平行， 安装孔 （11 )各截面形状为由不在同一中心的二段 圆弧相交接而成， 弧相交接处形成凸角（25)， 各截面的凸角（25)形 成纵向凸棱 (24)， 安装孔 (11)的底部为楔形， 端部为直筒形， 安装 孔 (11)为盲孔， 在与装入端 S相反的手工具头 （1 ) 的另一端 N制 有两个通孔 (12)， 该通孔 (12)的中心位置与装配后手柄 （2 ) 的装 配端 (21)的孔 (22)的位置重合， 在 （N ) 端制有通孔 （12 ) 的沉孔 (14)， 手工具头（1 ) 的装入端（S )制有沉孔 (15)。 如图 79所示， 钉子 (6)前端制有螺丝 (26), 后端制有沉台（5)， 在靠近沉台（5)的内 侧制有楔形 (9)， 为了方便制作将沉台（5)和楔形部分做成内孔 (8)， 钉子 (6)的长度大于手工具头与手柄装配后的总长度， 如图 72 所 示， 钉子 (6)前端的螺丝 (26)穿过手工具头 (1)及手柄 (2), 并露出手 柄 (2)后端一段距离， 在装配时， 将手柄装入安装孔 (11)中， 将钉 子 (6)从手工具头 (1)由 N端穿过通孔 (12)装入手柄内孔 (22)中， 装 配到位后， 钉子 （6 ) 的沉台 （5 ) 装入到 N端的沉孔（14 ) 中， 钉子 (6)的楔形部分 (9)， 挤压手柄（2 )的装配端 (21), 使其产生变 形为与安装孔 (11)的底部楔形相同， 使手柄 (2)与手工具头 (1)牢固 结合， 钉子 (6)的钉体部分穿过手柄 (2), 并将其前端的螺丝 (26)露 出手柄后端一定长度， 把螺母 (7)在螺丝 (26)上拧紧， 即可通过螺 母 (7)与钉子 (6)的螺丝 (26)将手工具头 (1)与手柄 (2)拉紧，而且钉子 (6)的柱形部分 (10)对手柄起到加强筋的作用， 进一步增强了连接 强度， 能够防止手柄任一位置在使用时断裂。 进一步将手工具头 (1)与手柄 (2)牢固连接。 在安装孔 (11)的装入端制有沉孔便于手柄 的装配， 且衔接美观。
装配端 (21)与安装孔 (11)之间具有粘接剂。

Claims

权 利 要 求
1. 一种连接牢固的手工具， 包括手工具头 （1) 和手柄 （2)， 手工具头 （1)具有安装孔 （11), 手柄 （2) 具有装配端 （21), 其特征在于手柄（2)的装配端（21)的横截面具有由不在同一中 心点的若干段弧相交接而成的形状， 弧相交接处形成 W角 （13), 各横截面的凹角 （13) 形成纵向凹槽 （23), 手工具头 （1) 的安 装孔（11) 由若干个圆形孔组成， 这些圆形孔在靠装入端（S)相 邻孔相交， 安装孔（11)在靠装入端（S)的横截面形状由不在同 一中心点的若干段圆弧相交接而成，弧相交接处形成凸角 （ 25 ), 各横截面的凸角（25)形成纵向的凸棱（24)，装配后手工具头（1) 的安装孔（11) 的凸棱（24)嵌入手柄 （2) 的装配端 （21) 的凹 槽 （23) 中。
2. 如权利要求 1所述连接牢固的手工具， 其特征在于所述手 工具头 （1) 的安装孔 （11) 为盲孔。
3. 如权利要求 1或 2所述连接牢固的手工具， 其特征在于所 述圆形孔中至少有两个相邻孔之间成大于零度的夹角， 在靠近装 入端（S)的横截面上所述至少两个相邻孔的中心点的距离小于远 离装入端 （S) 的横截面上所述至少两个相邻孔中心点的距离。
4. 如权利要求 3所述连接牢固的手工具， 其特征 于所述圆 形孔中在离装入端（S)—定深度处至少有两个相邻孔分开， 在所 述至少两个相邻孔分开的这段孔的横截面上该至少两孔的形状都 成为圆， 相邻的圆间有一段间隔（ 31 ), 各横截面的间隔（ 31 )形 成具有楔子作用的纵向隔壁 （30 ), 装配后纵向隔壁 （30)嵌入 到手柄 （2) 的装配端 （21) 中。
5. 根据权利要求 1或 2所述连接牢固的手工具， 其特征在于 所述组成安装孔 （11) 的若干个圆形孔中的至少一个圆形孔， 其 靠近装入端 （S) 的一段孔的直径小于远离装入端 （S) 的一段该 孔的直径。
6. 如权利要求 5所述的连接牢固的手工具， 其特征在于所述 组成安装孔（ 11 )的若千个圆形孔中的至少一个孔在离装入端（ s ) 一定深度处该孔的形状为圆锥形。
7. 如权利要求 1或 2所述连接牢固的手工具， 其特征在于所 述的安装孔（11) 中装有楔子 （3)。
8. 如权利要求 7所述连接牢固的手工具， 其特征在于所述楔 子 （3) 的长度大于所述安装孔（11) 的深度。
9. 如权利要求 1所述连接牢固的手工具， 其特征在于所述手 柄 （2) 内在各圆弧的中心具有纵向的孔（22)
10. 如权利要求 1所述连接牢固的手工具，其特征在于所述手 柄 (2) 内具有纵向的弹性销 (32 )。
11. 如权利要求 1所述连接牢固的手工具， 其特征在于所述安, 装孔 （11) 为通孔， 在所述安装孔（11) 中装有楔子 （3), 在与 装入端（S)相反的手工具头（1)的另一端（N)制有沉孔（14), 楔子 （3)后端制有沉台 （5), 装配后沉台 （5) 装入沉孔（14) 中。
12. 如权利要求 7或 8所述连接牢固的手工具，其特征在于所 述楔子 （3) 的楔形部分（9)有内孔（8)。
13. 如权利要求 5 所述连接牢固的手工具， 其特征在于所述 的手柄（ 2 )的装配端（ 21 )制有横向通孔（ 29 ),在横向通孔 ( 29 ) 的两端制有销子容槽（ 28 ),在横向通孔 ( 29 )中装有弹性销子（ 27 )。
14. 如权利要求 2所述的连接牢固的手工具，其特征在于在与 装入端 （S)相反的手工具头 （1) 的另一端 （N) 制有不少于一 个的尺寸小于盲孔底面并与安装孔（11)相通的纵向通孔 （12)。
15. 如权利要求 14所述连接牢固的手工具， 其特征在于所述 另一端 （N) 的通孔（12)在该另一端 （N)制有沉孔（14)。
16. 如权利要求 14或 15所述的连接牢固的手工具，其特征在 于在所述另一端 （N) 的通孔 （12) 中安装有钉子 （6)， 所述钉 子 （6)具有一段楔形 （9)。
17. 如权利要求 15所述的连接牢固的手工具， 其特征在于所 述的钉子 （6) 的前端制有钉子螺丝 （26), 后端制有沉台 （5), 钉子（6)的长度大于手工具头（1)与手柄（2)装配后的总长度， 钉子 （6) 穿过手工具头 （1)及手柄 （2)， 其前端的螺丝 （26) 露出手柄的后端， 并连接有螺母（7)。
18. 如权利要求 1所述连接牢固的手工具，其特征在于所述安 装孔（11) 在装入端 （S)制有沉孔（15)。
19. 如权利要求 1所述连接牢固的手工具，其特征在于所述手 柄 （2)装配端 （21) 与安装孔（11)之间具有粘接剂 （20)。
20. 如权利要求 1所述连接牢固的手工具，其特征在于所述的 手柄 （2) 的外缘具有保护层 （4)。
21. 一种连接牢固的斧或锤， 包括斧锤头 (1)、 手柄 (2)及楔子 ( 3 ), 手柄（ 2 )具有装配端（ 21 ), 斧锤头（ 1 )具有装配孔（ 11 ), 其特征在于： 所述的手柄 （2) 形状为直筒形， 手柄 （2) 内空， 具有孔 （22); 手柄 （2) 的装配端 （21)截面形状为不在同一中 心点的若干段弧连接而成。
22. 如权利要求 21所迷的连接牢固的斧或锤， 其特征在于： 弧连接处形成凹角， 装配端 （21)外表面形成纵向凹槽。
23. 如权利要求 21所述的连接牢固的斧或锤， 其特征在于： 装配孔（11) 为通孔或盲孔， 装配孔 （11)底部为楔形， 端部为 直筒形， 端部截面形状与所述的装配端 （21)截面形状相同。
24. 如权利要求 21所述的连接牢固的斧或锤， 其特征在于： 所述的孔 （22) 为一个或一个以上。
25. 如权利要求 21所述连接牢固的斧或锤， 其特征在于： 孔 (22) 为通孔， 孔（22)为圆柱形。
26. 如权利要求 21所述的连接牢固的斧或锤， 其特征在于： 楔子 （3) 顶部为楔形， 底部为圆柱形。
27. 如权利要求 21或 26所述的连接牢固的斧或锤，其特征在 于： 所述的楔子 （3) 的长度大于所述装配孔（11) 的长度。
28. 如权利要求 27所述的连接牢固的斧或锤， 其特征在于： 楔子 （3) 与孔 （22) 过盈配合。
29. 如权利要求 21所述的连接牢固的斧或锤， 其特征在于： 所述的装配端 (21) 与装配孔（11)之间具有粘接剂。
30. 如权利要求 21所述连接牢固的斧或锤， 其特征在于： 所 述的手柄 （2) 外缘具有保护层 （4)。
PCT/CN2006/000166 2005-02-05 2006-01-26 Emmanchement solide d'un outil a main WO2006081763A1 (fr)

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US11/815,551 US20090031869A1 (en) 2005-02-05 2006-01-26 Hand tool being connected firmly
EA200701670A EA200701670A1 (ru) 2005-02-05 2006-01-26 Прочно соединённый ручной инструмент
EP06705587A EP1849564A4 (en) 2005-02-05 2006-01-26 SOLID EMBEDDING OF A HAND TOOL

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CNU2005200004085U CN201036876Y (zh) 2005-02-05 2005-02-05 连接牢固的斧或锤

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US20090031869A1 (en) 2009-02-05
EP1849564A1 (en) 2007-10-31
EA200701670A1 (ru) 2008-04-28
CN201036876Y (zh) 2008-03-19
EP1849564A4 (en) 2009-04-15

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