CN112335435A - Telescopic handle assembly and gardening scissors - Google Patents
Telescopic handle assembly and gardening scissors Download PDFInfo
- Publication number
- CN112335435A CN112335435A CN202011208657.9A CN202011208657A CN112335435A CN 112335435 A CN112335435 A CN 112335435A CN 202011208657 A CN202011208657 A CN 202011208657A CN 112335435 A CN112335435 A CN 112335435A
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- handle assembly
- sleeve
- telescopic handle
- rotary switch
- clamp
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- 238000010413 gardening Methods 0.000 title abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 23
- 238000010008 shearing Methods 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 11
- 230000005489 elastic deformation Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000005381 potential energy Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000009975 flexible effect Effects 0.000 description 2
- 238000003898 horticulture Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
- A01G3/02—Secateurs; Flower or fruit shears
- A01G3/025—Secateurs; Flower or fruit shears having elongated or extended handles
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
- A01G3/02—Secateurs; Flower or fruit shears
- A01G3/021—Secateurs; Flower or fruit shears characterized by the arrangement of pivots
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
- A01G3/02—Secateurs; Flower or fruit shears
- A01G3/025—Secateurs; Flower or fruit shears having elongated or extended handles
- A01G3/0251—Loppers, i.e. branch cutters with two handles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/10—Telescoping systems
- F16B7/14—Telescoping systems locking in intermediate non-discrete positions
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a telescopic handle assembly and gardening scissors with the telescopic handle assembly, wherein the telescopic handle assembly comprises an outer sleeve piece, an inner sleeve piece, a clamp and a rotary switch; the inner sleeve member is movably inserted into the outer sleeve member; the hoop is connected with the outer sleeve, the hoop is sleeved on the periphery of the inner sleeve, a first notch communicated with an inner cavity of the hoop is formed in the hoop, two hinge seats are arranged on the outer side wall of the hoop and are respectively arranged on two sides of the first notch, and the two hinge seats can approach each other to enable the hoop to be elastically deformed so as to lock the inner sleeve; the rotary switch is rotationally connected with the hinge base; the rotary switch is provided with at least one first inclined plane, and the outer side wall of the hinged seat is provided with at least one second inclined plane. The invention can conveniently adjust and lock the self telescopic length.
Description
Technical Field
The invention relates to the technical field of gardening equipment, in particular to a telescopic handle assembly and gardening scissors.
Background
Can install telescopic handle on some horticulture scissors sword, conveniently adjust the handle length of scissors to the convenience is accomodate the scissors and is pruned with the horticulture. When the length of some existing telescopic handles is adjusted, the movable rods need to be unlocked and locked, the locking action is complex, and the length adjustment is not convenient enough.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a telescopic handle assembly which can conveniently adjust and lock the telescopic length of the telescopic handle assembly.
The invention also provides the gardening scissors with the telescopic handle assembly.
According to the embodiment of the first aspect of the invention, the telescopic handle assembly comprises an outer sleeve piece, an inner sleeve piece, a clamping hoop and a rotary switch; the inner sleeve member is movably inserted into the outer sleeve member; the hoop is connected with the outer sleeve, the hoop is sleeved on the periphery of the inner sleeve, a first notch communicated with an inner cavity of the hoop is formed in the hoop, two hinge seats are arranged on the outer side wall of the hoop and are respectively arranged on two sides of the first notch, and the two hinge seats can approach each other to enable the hoop to be elastically deformed so as to lock the inner sleeve; the rotary switch is rotationally connected with the hinge base; the rotary switch is provided with at least one first inclined plane, the outer side wall of the hinge seat is provided with at least one second inclined plane, and the first inclined planes and the second inclined planes are matched in a one-to-one corresponding mode; when the rotary switch rotates forwards, the first inclined surface and the second inclined surface are mutually extruded to enable the two hinge seats to be close to each other; when the rotary switch rotates reversely, the shown hoop is elastically deformed to enable the two hinged seats to be far away from and return.
The telescopic handle assembly provided by the embodiment of the invention has at least the following beneficial effects: the inner sleeve piece is movably inserted into the outer sleeve piece, so that the overall length of the handle assembly can be controlled by mutually stretching the inner sleeve piece and the outer sleeve piece, when the outer sleeve piece and the inner sleeve piece need to be locked, the rotating switch is firstly rotated to enable the first inclined plane and the second inclined plane to be mutually extruded, so that the two hinged seats are mutually close to each other to drive the clamp to generate elastic deformation of inward contraction, and the clamp locks the inner sleeve piece to enable the inner sleeve piece and the outer sleeve piece to be mutually fixed; on the contrary, to make the flexible activity of outer sleeve spare and interior external member, then only need the contrarotation rotary switch, make first inclined plane and second inclined plane reset, the clamp also consequently can reply original size to relieve the locking to interior external member, can adjust the relative position of outer sleeve spare and interior external member from this wantonly, with adjusting handle assembly's whole length, simultaneously, cooperation clamp elastic deformation's elastic potential energy, the clamp can drive two articulated seats and reset. The process of unlocking and locking the internal member only needs to rotate the rotary switch, so that the process of adjusting the length of the handle assembly is facilitated.
According to some embodiments of the invention, the rotary switch is provided with a second notch in clamping fit with the two hinge seats, the two hinge seats are respectively attached to two opposite side walls of the second notch, the inner side wall of the second notch is rotatably connected with the hinge seats, and the two opposite side walls of the second notch are respectively provided with at least one first inclined surface. Through setting up the second breach, make the laminating on first inclined plane and second inclined plane compacter, transmission efficiency is higher to can reduce the action range of rotary switch, improve the locking efficiency of rotary switch to the clamp.
According to some embodiments of the present invention, at least one first wedge block is disposed on an inner side wall of the second notch, and the first inclined surface is disposed on the first wedge block; the lateral wall of articulated seat be equipped with at least one with first wedge corresponds complex second wedge, the second inclined plane is located on the second wedge, first wedge and second wedge can mutually support, and when making the rotary switch rotate, mutual extrusion can be realized on first inclined plane and the second inclined plane. Specifically, as shown in fig. 3, the second breach has the lateral wall of two relative settings, for the inside wall of second breach, all be provided with two first wedge on each inside wall, two first wedge distribute around rotary switch's pivot, the lateral wall of articulated seat is equipped with and corresponds complex second wedge with first wedge, rotary switch rotates in-process, first wedge and second wedge relative movement, make the protruding position of first wedge and the protruding position contact laminating of second wedge, thereby make first inclined plane and second inclined plane extrude each other, inwards promote two hinge seats, realize the effect of clamp locking internal member.
According to some embodiments of the present invention, a protruding shaft is disposed on an inner side wall of the second notch, a circular groove rotationally engaged with the protruding shaft is disposed on an outer side wall of the hinge seat, the first inclined plane is disposed on the protruding shaft, and the second inclined plane is disposed on the circular groove; or the inner side wall of the second notch is provided with a circular groove, the outer side wall of the hinged seat is provided with a convex shaft which is matched with the circular groove in a rotating mode, the first inclined plane is arranged on the circular groove, and the second inclined plane is arranged on the convex shaft. Through the cooperation of protruding axle and circular slot, make rotary switch can rotate with two articulated seats relatively, realize rotary switch's rotation and connect.
According to some embodiments of the invention, the inner side wall of the second notch is provided with a first fixing hole for the bolt rod to pass through, the outer side wall of the hinge base is provided with a second fixing hole for the bolt rod to pass through, a bolt can be arranged in the first fixing hole and the second fixing hole in a penetrating manner, the rotary switch is connected with the hinge base, and the rotary switch is rotated around the bolt to realize the rotary connection of the rotary switch.
According to some embodiments of the invention, a connection sleeve is provided between the clamp and the casing member, the connection sleeve is fixed to the casing member, and the clamp is connected to the casing member through the connection sleeve.
According to some embodiments of the invention, the connecting sleeve is detachably connected with the outer sleeve member, so that the connecting sleeve and the hoop are convenient to disassemble and assemble, and the connecting sleeve and the hoop can be conveniently replaced or maintained by disassembling the connecting sleeve.
According to some embodiments of the invention, the inner side wall of the connecting sleeve is provided with a clamping column, the outer sleeve member is provided with a clamping groove in clamping fit with the convex column, and the detachable connection of the connecting sleeve and the outer sleeve member is realized through the clamping fit of the clamping column and the clamping groove.
According to some embodiments of the invention, a swing arm is arranged at one end of the rotary switch far away from the second notch, an avoiding groove is arranged at the lower side of the swing arm, an opening communicated with the avoiding groove is arranged at the end part of the swing arm, the rotary switch is convenient to rotate by arranging the avoiding groove and the opening, and in practical application, fingers can extend into the avoiding groove from the opening to shift the swing arm upwards, so that the rotary switch can be driven to rotate.
According to some embodiments of the invention, the outer sleeve member further comprises a gripping sleeve, and the gripping sleeve is sleeved on the outer sleeve member. Grip the cover through setting up, conveniently grip telescopic handle subassembly, improve telescopic handle subassembly grip the comfort level.
Horticultural shears according to embodiments of the second aspect of the present invention include the telescopic handle assembly of embodiments of the first aspect of the present invention described above.
The gardening scissors provided by the embodiment of the invention at least have the following beneficial effects: the garden shears comprise a telescopic handle assembly, wherein an inner sleeve piece of the telescopic handle assembly is movably inserted into an outer sleeve piece, so that the overall length of the handle assembly can be controlled by mutually stretching the inner sleeve piece and the outer sleeve piece; on the contrary, to make the flexible activity of outer sleeve spare and interior external member, then only need the contrarotation rotary switch, make first inclined plane and second inclined plane reset, the clamp also consequently can reply original size to relieve the locking to interior external member, can adjust the relative position of outer sleeve spare and interior external member from this wantonly, with adjusting handle assembly's whole length, simultaneously, cooperation clamp elastic deformation's elastic potential energy, the clamp can drive two articulated seats and reset. The process of unlocking and locking the internal member only needs to rotate the rotary switch, so that the process of adjusting the length of the handle assembly is facilitated.
According to some embodiments of the invention, the garden shears further comprise a first shear body, a second shear body, a connecting rod and a transmission rod, the first scissor body and the transmission rod are both provided with the telescopic handle assembly, the middle part of the first scissor body is hinged with the middle part of the second scissor body, a shearing structure corresponding to each other is arranged between one end of the first shear body and one end of the second shear body, one end of the connecting rod is hinged with the middle part of the first shear body, the other end of the connecting rod is hinged with the transmission rod, a tooth structure which is matched with each other is arranged between the transmission rod and the first scissors body, the rotating center of the tooth structure on the transmission rod and the rotating center of the tooth structure on the first scissors body respectively correspond to the hinge point of the connecting rod, one side of the transmission rod, which is deviated from the intersection point, is provided with a sliding part, and the other end of the second shear body is provided with a sliding groove in sliding fit with the sliding part. When the two telescopic rod handle assemblies move close to each other, the transmission rod and the first shear body are enabled to rotate through the matching of the tooth structures due to the limit of the connecting rod, at the moment, the first shear body can be assumed to be relatively immobile, the force application end of the telescopic rod handle assembly connected with the transmission rod is arranged at the tail end, the tooth structure matched with the first shear body is arranged at the other end, the second shear body is driven to move close to the first shear body through the reaction of the tooth structure on the sliding piece and through the sliding fit of the sliding piece and the sliding groove, so that the shearing effect is achieved.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of a telescoping handle assembly according to an embodiment of the present invention;
FIG. 2 is an exploded schematic view of the telescoping handle assembly shown in FIG. 1;
FIG. 3 is an enlarged schematic view of area A shown in FIG. 2;
FIG. 4 is a schematic view of a rotary switch of the telescoping handle assembly shown in FIG. 1;
FIG. 5 is a schematic view of a connection sleeve and clip connection of the telescoping handle assembly shown in FIG. 1;
FIG. 6 is a cross-sectional schematic view of the telescoping handle assembly shown in FIG. 1;
FIG. 7 is a schematic view of a pair of garden shears according to an embodiment of the present invention;
fig. 8 is a schematic view illustrating the first and second scissors bodies of the pair of garden shears shown in fig. 7;
fig. 9 is a schematic view of another view angle of the garden shears shown in fig. 8.
Reference numerals:
the outer sleeve member 100, the clamping groove 110, the inner sleeve member 200, the clamp 300, the first notch 310, the hinge base 320, the circular groove 330, the second wedge-shaped block 331, the second inclined surface 332, the second fixing hole 340, the rotary switch 400, the second notch 410, the protruding shaft 420, the first wedge-shaped block 421, the first inclined surface 422, the avoiding groove 430, the opening 431, the first fixing hole 440, the swing arm 450, the connecting sleeve 500, the clamping column 510, the holding sleeve 600, the bolt 700, the first shear body 810, the second shear body 820, the sliding groove 821, the connecting rod 830, the driving rod 840, the sliding member 841 and the tooth structure 850.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
As shown in fig. 1, 2 and 3, the telescopic handle assembly according to the embodiment of the first aspect of the present invention includes an outer sheath member 100, an inner sheath member 200, a yoke 300 and a rotary switch 400; the inner sleeve member 200 is movably inserted into the outer sleeve member 100; the hoop 300 is connected with the outer sleeve member 100, the hoop 300 is sleeved on the periphery of the inner sleeve member 200, a first notch 310 communicated with an inner cavity of the hoop 300 is arranged on the hoop 300, two hinge seats 320 are arranged on the outer side wall of the hoop 300, the hinge seats 320 are respectively arranged on two sides of the first notch 310, and the two hinge seats 320 can approach each other to enable the hoop 300 to elastically deform so as to lock the inner sleeve member 200; the rotary switch 400 is rotatably connected with the hinge base 320; the rotary switch 400 is provided with at least one first inclined surface 422, the outer side wall of the hinge base 320 is provided with at least one second inclined surface 332, and the first inclined surfaces 422 and the second inclined surfaces 332 are matched in a one-to-one correspondence manner; when the rotary switch 400 is rotated in the forward direction, the first inclined surface 422 and the second inclined surface 332 are pressed against each other to make the two hinge bases 320 approach each other; when the rotary switch 400 is rotated in the reverse direction, the yoke 300 is elastically deformed to separate and restore the two hinge seats 320.
Specifically, the inner sleeve 200 is movably inserted into the outer sleeve 100, so that the overall length of the handle assembly can be controlled by the inner sleeve 200 and the outer sleeve 100 extending and retracting mutually, when the outer sleeve 100 and the inner sleeve 200 need to be locked, the rotary switch 400 is firstly rotated to enable the first inclined surface 422 and the second inclined surface 332 to be pressed against each other, so that the two hinge seats 320 are close to each other, the hoop 300 is driven to generate elastic deformation of inward contraction, so that the hoop 300 locks the inner sleeve 200, and the inner sleeve 200 and the outer sleeve 100 are fixed to each other; on the contrary, to make the outer sleeve 100 and the inner sleeve 200 move telescopically, only the reverse rotation rotating switch 400 is needed, so that the first inclined plane 422 and the second inclined plane 332 reset, the clamp 300 can also restore the original size through elastic deformation, thereby unlocking the inner sleeve 200, and thus the relative position of the outer sleeve 100 and the inner sleeve 200 can be adjusted arbitrarily, so as to adjust the overall length of the handle assembly, and meanwhile, the clamp 300 can drive the two hinge seats 320 to be far away from and reset by matching with the elastic potential energy of the elastic deformation of the clamp 300. The process of unlocking and locking the inner set 200 is simply to rotate the rotary switch 400, facilitating the process of adjusting the length of the handle assembly itself.
The first inclined surface 422 and the second inclined surface 332 may be located on a rotation axis of the rotary switch 400, and the rotary switch 400 rotates to change a relative contact position of the first inclined surface 422 and the second inclined surface 332, so that the two hinge bases 320 approach each other against the elastic force of the clip 300, and the clip 300 contracts inward, thereby achieving an effect of locking the inner set 200.
In some embodiments of the present invention, both the inner sleeve 100 and the outer sleeve 200 may be configured in a tubular shape, wherein the inner sleeve 100 may also be configured in a solid rod shape.
In some embodiments of the present invention, the rotary switch 400 has a second notch 410 engaged with the two hinge bases 320, the two hinge bases 320 are respectively attached to two opposite sidewalls of the second notch 410, an inner sidewall of the second notch 410 is rotatably connected to the hinge bases 320, and the two opposite sidewalls of the second notch 410 are respectively provided with at least one first inclined surface 422. Through setting up second breach 410, make the laminating of first inclined plane 422 and second inclined plane 332 more tight, transmission efficiency is higher to can reduce the action range of rotary switch 400, improve the locking efficiency of rotary switch 400 to clamp 300.
It is easily conceived that, in other embodiments, the rotary switch 400 may not be provided with the second notch 410, the rotary switch 400 is located at one side of one of the hinge seats 320, a first inclined surface 422 matched with the second inclined surface 332 is provided on one side wall of the rotary switch 400, then a bolt is inserted through the rotary switch 400 and the hinge seat 320 and is tightly matched with a nut, so that the first inclined surface 422 is attached to the second inclined surface 332, and by rotating the rotary switch 400, the first inclined surface 422 and the second inclined surface 332 are pressed against each other, so that the two hinge seats 320 are driven to approach each other, so that the clip 300 locks the inner sleeve 200.
In some embodiments of the present invention, at least one first wedge 421 is disposed on an inner sidewall of the second notch 410, and the first inclined surface 422 is disposed on the first wedge 421; the outer side wall of the hinge base 320 is provided with at least one second wedge-shaped block 331 correspondingly matched with the first wedge-shaped block 421, the second inclined surface 332 is arranged on the second wedge-shaped block 331, and the first wedge-shaped block 421 and the second wedge-shaped block 331 can be matched with each other, so that when the rotary switch 400 rotates, the first inclined surface 422 and the second inclined surface 332 can be mutually extruded. Specifically, as shown in fig. 3, the second notch 410 has two opposite side walls, which are inner side walls of the second notch 410, each inner side wall is provided with two first wedge blocks 421, the two first wedge blocks 421 are distributed around a rotating shaft of the rotary switch 400, the outer side wall of the hinge base 320 is provided with a second wedge block 331 correspondingly matched with the first wedge block 421, in the rotation process of the rotary switch 400, the first wedge block 421 and the second wedge block 331 move relatively, so that the protruding portion of the first wedge block 421 contacts and fits with the protruding portion of the second wedge block 331, thereby the first inclined surface 422 and the second inclined surface 332 are pressed against each other, the two hinge bases are pushed inward, and the effect of locking the inner sleeve 200 by the hoop 300 is achieved.
Of course, in other embodiments, the number of the first wedge block 421 and the second wedge block 331 may also be set to be one or more than two, and the specific number may be set according to the practical application, and is not limited herein.
In addition, the first wedge block 421 and the rotary switch 400 can be formed into an integral structure through injection molding, and the second wedge block 331 and the hinge base 320 can be formed into an integral structure through injection molding, so that the first wedge block 421 and the second wedge block 331 can be conveniently processed.
It is understood that in other embodiments, the first inclined surface 422 can be formed by forming an inclined groove on the inner sidewall of the second notch 410, and the second inclined surface 332 can be formed by forming an inclined groove on the outer sidewall of the hinge base 320.
In some embodiments of the present invention, the inner sidewall of the second notch 410 is provided with a protruding shaft 420, the outer sidewall of the hinge base 320 is provided with a circular groove 330 rotatably engaged with the protruding shaft 420, the first inclined plane 422 is provided on the protruding shaft 420, and the second inclined plane 332 is provided on the circular groove 330; through the cooperation of the protruding shaft 420 and the circular groove 330, the rotary switch 400 can rotate relative to the two hinge bases 320, so as to realize the rotary connection of the rotary switch 400. Among them, the first wedge 421 of the above embodiments may be disposed on the protruding shaft 420 and form an integrated structure with the protruding shaft 420, and the second wedge 331 may be disposed in the circular groove 330 and form an integrated structure with the inner end wall of the circular groove 330, so that the structure of the rotary switch 400 and the hinge base 320 is more compact, and the cooperation of the first slope 422 and the second slope 332 is more efficient.
It is easily conceived that in other embodiments, the inner sidewall of the second notch 410 is provided with a circular groove 330, the outer sidewall of the hinge base 320 is provided with a protruding shaft 420 rotatably engaged with the circular groove 330, the first inclined surface 422 is provided on the circular groove 330, and the second inclined surface 332 is provided on the protruding shaft 420.
In some embodiments of the present invention, the inner sidewall of the second notch 410 is provided with a first fixing hole 440 for the rod portion of the bolt 700 to pass through, the outer sidewall of the hinge base 320 is provided with a second fixing hole 340 for the rod portion of the bolt 700 to pass through, the bolt 700 may be inserted into the first fixing hole 440 and the second fixing hole 340, the rotary switch 400 is connected to the hinge base 320, and the rotary switch 400 is rotated around the bolt 700 to realize the rotary connection of the rotary switch 400. Specifically, as shown in fig. 3, the first fixing hole 440 is disposed on the protruding shaft 420, the first wedge block 421 is disposed on an end wall of the first fixing hole 440, so as to ensure that the first wedge block 421 can rotate around the rotating shaft of the rotating switch 400, the second fixing hole 340 is disposed in the circular groove 330, and the second wedge block 331 is disposed on an end wall of the second fixing hole 340, so as to ensure that the second wedge block 331 can be matched with the first wedge block 421.
In some embodiments of the present invention, as shown in fig. 3 and 5, a connection sleeve 500 is disposed between the clamp 300 and the casing member 100, the connection sleeve 500 is sleeved and fixed on the casing member 100, and the clamp 300 is connected with the casing member 100 through the connection sleeve 500. Wherein, the connecting sleeve 500 and the hoop 300 can be formed into an integrated structure, which is convenient for the processing process of the two,
in some embodiments of the present invention, the connection sleeve 500 is detachably connected to the casing member 100, so that the connection sleeve 500 and the clamp 300 can be easily disassembled, and the connection sleeve 500 and the clamp 300 can be easily replaced or maintained by disassembling the connection sleeve 500.
Further, in some embodiments of the present invention, as shown in fig. 6, the inner sidewall of the connection sleeve 500 is provided with a locking pillar 510, the outer sleeve 100 is provided with a locking groove 110 for locking with the protruding pillar, and the connection sleeve 500 and the outer sleeve 100 are detachably connected by locking the locking pillar 510 and the locking groove 110. It is contemplated that in other embodiments, the connection sleeve 500 and the outer casing member 100 may be connected by screwing, such as providing internal threads on the inner cavity wall of the connection sleeve 500 and external threads on the outer side wall of the outer casing member 100, and the outer casing member 100 and the connection sleeve 500 are detachably engaged by the internal and external threads.
In some embodiments of the present invention, as shown in fig. 4 and fig. 6, a swing arm 450 is disposed at an end of the rotary switch 400 away from the second notch 410, an avoiding groove 430 is disposed at a lower side of the swing arm 450, an opening 431 communicated with the avoiding groove 430 is disposed at an end of the swing arm 450, the rotary switch 400 is convenient to rotate by disposing the avoiding groove 430 and the opening 431, and in practical applications, a finger can extend into the avoiding groove 430 from the opening 431 to shift the swing arm 450 upwards, so that the rotary switch 400 can be driven to rotate.
In some embodiments of the present invention, as shown in fig. 2, a holding sleeve 600 is further included, and the holding sleeve 600 is sleeved on the outer sleeve member 100. Grip cover 600 through the setting, conveniently grip the telescopic handle subassembly, improve telescopic handle subassembly grip the comfort level.
As shown in fig. 7, the garden shears according to the second embodiment of the present invention include the telescopic handle assembly according to the first embodiment of the present invention.
Specifically, the garden shears comprise a telescopic handle assembly, wherein the inner sleeve 200 is movably inserted into the outer sleeve 100, so that the inner sleeve 200 and the outer sleeve 100 can control the overall length of the handle assembly through mutual telescopic, when the outer sleeve 100 and the inner sleeve 200 need to be locked, the rotary switch 400 is firstly rotated, so that the first inclined surface 422 and the second inclined surface 332 are pressed against each other, and thus the two hinge seats 320 are close to each other, the hoop 300 is driven to elastically deform in an inward contracting manner, so that the hoop 300 locks the inner sleeve 200, and the inner sleeve 200 and the outer sleeve 100 are fixed to each other; on the contrary, to make the outer sleeve 100 and the inner sleeve 200 move telescopically, only the reverse rotation of the rotary switch 400 is needed to reset the first inclined plane 422 and the second inclined plane 332, and the clamp 300 can also return to the original size, so as to unlock the inner sleeve 200, and thus the relative position of the outer sleeve 100 and the inner sleeve 200 can be arbitrarily adjusted to adjust the overall length of the handle assembly, and meanwhile, the clamp 300 can drive the two hinge seats 320 to reset in cooperation with the elastic potential energy of the elastic deformation of the clamp 300. The process of unlocking and locking the inner set 200 is simply to rotate the rotary switch 400, facilitating the process of adjusting the length of the handle assembly itself.
In some embodiments of the present invention, as shown in fig. 8 and 9, the garden shears further comprise a first shear body 810 and a second shear body 820, the scissors comprise a connecting rod 830 and a transmission rod 840, wherein telescopic handle assemblies are arranged on the first scissors body 810 and the transmission rod 840, the middle part of the first scissors body 810 is hinged with the middle part of the second scissors body 820, corresponding shearing structures are arranged between one end of the first scissors body 810 and one end of the second scissors body 820, one end of the connecting rod 830 is hinged with the middle part of the first scissors body 810, the other end of the connecting rod 830 is hinged with the transmission rod 840, mutually matched tooth structures 850 are arranged between the transmission rod 840 and the first scissors body 810, the rotating centers of the tooth structures 850 on the transmission rod 840 and the tooth structures 850 on the first scissors body 810 respectively correspond to the hinge points of the connecting rod 830, a sliding part 841 is arranged on one side of the transmission rod 840 deviating from the intersection point, and a sliding groove 821 in sliding fit with the sliding part 841 is arranged at the other end of the second scissors body 820.
When the two telescopic handle assemblies approach each other and move, due to the limit of the connecting rod 830, the driving rod 840 and the first scissor body 810 are rotated by the cooperation of the tooth structure 850, at this time, the first scissor body 810 can be assumed to be relatively immobile, the force application end of the telescopic handle assembly connected with the driving rod 840 is at the tail end, and the tooth structure 850, which is engaged with the first scissor body 810, is located at the other end, by reacting against the slider 841 through the tooth structure 850, the sliding piece 841 is slidably engaged with the sliding slot 821 to drive the second scissor body 820 to move close to the first scissor body 810, to achieve the shearing effect, the invention forms a connecting rod 830 slider structure through the first shear body 810, the second shear body 820, the connecting rod 830, the transmission rod 840 and the tooth structure 850, the force application to the handle assembly of the telescopic rod has good amplification effect, stable and labor-saving shearing is ensured, and the operation hand feeling is improved.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The present embodiment has been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the present invention.
Claims (10)
1. A telescoping handle assembly, comprising:
an outer jacket member (100);
the inner sleeve (200) is movably inserted into the outer sleeve (100);
the clamp (300), the clamp (300) is connected with the outer sleeve (100), the clamp (300) is sleeved on the periphery of the inner sleeve (200), a first notch (310) communicated with an inner cavity of the clamp (300) is formed in the clamp (300), two hinge seats (320) are arranged on the outer side wall of the clamp (300), the hinge seats (320) are respectively arranged on two sides of the first notch (310), and the two hinge seats (320) can be close to each other to enable the clamp (300) to be elastically deformed to lock the inner sleeve (200);
a rotary switch (400), wherein the rotary switch (400) is rotatably connected with the hinge base (320);
the rotary switch (400) is provided with at least one first inclined surface (422), the outer side wall of the hinge seat (320) is provided with at least one second inclined surface (332), and the first inclined surfaces (422) and the second inclined surfaces (332) are matched in a one-to-one correspondence manner;
when the rotary switch (400) rotates forwards, the first inclined surface (422) and the second inclined surface (332) are pressed against each other to enable the two hinge seats (320) to approach each other;
when the rotary switch (400) rotates reversely, the clamping hoop (300) is elastically deformed to enable the two hinge seats (320) to be far away and recover.
2. The telescopic handle assembly of claim 1,
rotation switch (400) be equipped with two articulated seat (320) centre gripping complex second breach (410), two articulated seat (320) respectively with the relative both sides wall laminating of second breach (410), the inside wall of second breach (410) with articulated seat (320) rotate to be connected, the relative both sides wall of second breach (410) all is equipped with at least one first inclined plane (422).
3. The telescopic handle assembly of claim 1,
at least one first wedge block (421) is arranged on the inner side wall of the second notch (410), and the first inclined surface (422) is arranged on the first wedge block (421);
the outer side wall of the hinged seat (320) is provided with at least one second wedge block (331) correspondingly matched with the first wedge block (421), and the second inclined surface (332) is arranged on the second wedge block (331).
4. The telescopic handle assembly of claim 1,
a protruding shaft (420) is arranged on the inner side wall of the second notch (410), a circular groove (330) which is in running fit with the protruding shaft (420) is arranged on the outer side wall of the hinged seat (320), the first inclined plane (422) is arranged on the protruding shaft (420), and the second inclined plane (332) is arranged on the circular groove (330); or
The inside wall of second breach (410) is equipped with circular slot (330), the lateral wall of articulated seat (320) be equipped with circular slot (330) normal running fit's protruding axle (420), first inclined plane (422) are located on circular slot (330), second inclined plane (332) are located on protruding axle (420).
5. The telescopic handle assembly of claim 1,
the inside wall of second breach (410) is equipped with first fixed orifices (440) that supply bolt (700) pole portion to pass through, the lateral wall of articulated seat (320) is equipped with second fixed orifices (340) that supply bolt (700) pole portion to pass through.
6. The telescopic handle assembly of claim 1,
hoop (300) with be equipped with adapter sleeve (500) between outer sleeve (100), adapter sleeve (500) cover is established and is fixed in outer sleeve (100), hoop (300) pass through adapter sleeve (500) with outer sleeve (100) are connected.
7. The telescopic handle assembly of claim 6,
the connecting sleeve (500) is detachably connected with the outer sleeve member (100).
8. The telescopic handle assembly of claim 7,
the inner side wall of the connecting sleeve (500) is provided with a clamping column (510), and the outer sleeve member (100) is provided with a clamping groove (110) matched with the convex column in a clamping manner.
9. Horticultural shears, characterised in that they comprise:
a telescopic handle assembly as claimed in any of claims 1 to 8.
10. A horticultural shears in accordance with claim 9,
the pair of scissors is characterized by further comprising a first scissors body (810), a second scissors body (820), a connecting rod (830) and a transmission rod (840), wherein the telescopic handle assemblies are arranged on the first scissors body (810) and the transmission rod (840), the middle part of the first scissors body (810) is hinged to the middle part of the second scissors body (820), corresponding shearing structures are arranged between one end of the first scissors body (810) and one end of the second scissors body (820), one end of the connecting rod (830) is hinged to the middle part of the first scissors body (810), the other end of the connecting rod (830) is hinged to the transmission rod (840), mutually matched tooth structures (850) are arranged between the transmission rod (840) and the first scissors body (810), and the rotating centers of the tooth structures (850) on the transmission rod (840) and the rotating center of the tooth structure (850) on the first scissors body (810) respectively correspond to the hinge point of the connecting rod (830), one side of the transmission rod (840) deviating from the intersection point is provided with a sliding part (841), and the other end of the second shear body (820) is provided with a sliding groove (821) in sliding fit with the sliding part (841).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011208657.9A CN112335435A (en) | 2020-11-03 | 2020-11-03 | Telescopic handle assembly and gardening scissors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011208657.9A CN112335435A (en) | 2020-11-03 | 2020-11-03 | Telescopic handle assembly and gardening scissors |
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| Publication Number | Publication Date |
|---|---|
| CN112335435A true CN112335435A (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011208657.9A Pending CN112335435A (en) | 2020-11-03 | 2020-11-03 | Telescopic handle assembly and gardening scissors |
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| Country | Link |
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| CN (1) | CN112335435A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4062747A1 (en) * | 2021-03-23 | 2022-09-28 | Fiskars Finland Oy Ab | A cutting device |
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