CN206101005U

CN206101005U - Low secateurs

Info

Publication number: CN206101005U
Application number: CN201621144682.4U
Authority: CN
Inventors: 方培锵
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-10-21
Filing date: 2016-10-21
Publication date: 2017-04-19
Anticipated expiration: 2026-10-21

Abstract

The utility model discloses a low secateurs relates to gardens pruning equipment field, include: the casing to and set up blade mechanism, drive mechanism and the actuating mechanism in the casing, and drive mechanism's one end and actuating mechanism transmission are connected, and the other end is connected with blade mechanism transmission, blade mechanism is including rotating last blade and the bottom knife of connecting, and its junction is provided with the blade locking gear of mutually supporting and prevents changeing the spring leaf, drive mechanism includes ball screw and the suit ball screw nut on ball screw, universal connection between ball screw and the actuating mechanism, and bearing frame and the bearing frame support of mutually supporting is provided with in the junction, the bearing frame is installed in the bearing frame support and can be swung in this bearing frame support. The utility model discloses can go up the blade stroke through adjusting, at the scope endotaxy elongated blade life that necessarily weares and teares to the blade is changed simple and conveniently, but utilize the design of rocking bearing seat to overcome the easy cracked problem of drive mechanism ball screw for low secateurs is durable more.

Description

A kind of low secateurs

Technical field

This utility model is related to gardens pruning apparatus field, more particularly to a kind of low secateurs.

Background technology

Electronic low secateurs knife is its low-profile, easy to carry as a kind of gardens class instrument, is a kind of in gardening pruning Conventional instrument.Such electronic low secateurs knife includes a movable blades and a fixed blade, and fixed blade is fixedly installed in In casing, movable blades are rotatably connected at fixed blade, and movable blades are driven by motor by drive mechanism and made Reciprocally swinging, so as to implement shear action.

On the one hand, during low secateurs use, fixed blade mainly undertakes supporting role, and movable blades undertake cutting and make With, and the blade angle of movable blades is little, therefore movable blades are easier abrasion, movable blades edge wear will affect Cutting efficiency and cutting effect, therefore be frequently necessary to adjust or change, when movable blades are changed, need to take casing apart, change Work is bothered very much；On the other hand, low secateurs needs for the rotation of motor to be converted into work by drive mechanism in the course of the work Linear reciprocating motion required for cutting blade, in this conversion process, the push rod presence being connected with movable blades swings up and down Phenomenon, therefore under the conditions of prior art, the ball screw that there is connection push rod is easily broken off, machine line is more was producing Journey efficiency of assembling is low and is easily damaged the problem of circuit.

A kind of electric pruner as disclosed in Chinese utility model patent 201110206360.3, knife includes casing, The motor being contained in casing, drive mechanism, movable blades and fixed blade slave shell front end are extended, wherein, fixed blade It is fixably attached in casing, movable blades are rotatably connected to fix on blade by Motor drive and by an axle.Cause This, in the urgent need to the replacing for designing a movable blades is simple and convenient, need not preferably pull down any one part, and can also Ball screw on solution drive mechanism is easily broken off and machine line is more low in production process efficiency of assembling and is easily damaged The problem of circuit.

Utility model content

First, the technical problem to be solved

The purpose of this utility model is the problems referred to above existing for prior art, and spy provides a kind of drive mechanism ball Screw mandrel not easy fracture, more durable low secateurs, to overcome prior art in low secateurs the problem do not grown of service life；This reality Also overcomed blade exchange in prior art and got up loaded down with trivial details time-consuming and use the more assembling effect of serious wear, circuit with new Rate is low and is easily damaged the problem of circuit.

2nd, technical scheme

To solve above-mentioned technical problem, this utility model provides a kind of low secateurs to be included：Casing, and be arranged in casing Blade mechanisms, drive mechanism and drive mechanism, one end and the drive mechanism of drive mechanism be connected, the other end and rolling reamer machine Structure is connected；Blade mechanisms include that the junction of the top cutter and bottom knife, top cutter and bottom knife for rotating connection is provided with The blade locking gear for cooperating and anti-turn spring piece；Drive mechanism includes ball screw and the rolling being sleeved on ball screw Ballscrew nut；Universal connection between ball screw and drive mechanism, and junction be provided with the bearing block that cooperates and Bearing bracket, bearing bracket is fixed at the inwall of casing, and bearing block is installed in bearing bracket and can be in the bearing Swing in seat support；Ball screw nut is connected with top cutter, and relative motion, low branch occur with bottom knife for driving top cutter Cut after switching on power, by drive mechanism to drive mechanism, by the reciprocating linear fortune being converted into required for low secateurs of motor It is dynamic, then drive top cutter opening and closing movement.

Wherein, the outer wall of bearing block is provided with symmetrical two rotating shaft, and correspondence rotating shaft is provided with bearing bracket Shaft hole, rotating shaft is installed in shaft hole so that bearing block can be around the shaft swing.

Wherein, anti-turn spring piece is provided with fixed part and the resilient tight lock part of tool, and fixed part is fixedly connected with bottom knife, Tight lock part is engaged with blade locking gear, and for limiting the blade locking gear one-directional rotation, anti-turn spring piece is additionally provided with slotting The location division being connected in bottom knife.

Wherein, back-moving spring, section magnetism and adjusting screw are provided with ball screw nut, section magnetism is arranged at multiple Between position spring, adjusting screw, the length of ball screw nut is screwed in by changing adjusting screw, adjustable stroke Magnet is in rolling Position in ballscrew nut.

Wherein, the magnetic receiver for installing section magnetism, one end and the tune of magnetic receiver are additionally provided with ball screw nut Section screw is abutted against, and the other end is abutted against with back-moving spring, and the other end of magnetic receiver is provided with the spring base playing the guiding role.

Wherein, the casing includes upper casing and the lower casing for mutually connecting, the blade mechanisms, drive mechanism and driving Mechanism is located in the space that the upper casing and lower casing are formed；It is fixed with the first Plug pin patch bay in the lower casing, described first First group of contact pin is provided with Plug pin patch bay, the drive mechanism is fixedly connected with the second Plug pin patch bay, sets in second Plug pin patch bay It is equipped with second group of contact pin.

3rd, the beneficial effects of the utility model

Compared with prior art, low secateurs of the present utility model has many advantages, such as follows：

(1) blade service life can be extended in certain wear range by adjusting top cutter stroke, and blade is more Change simple and convenient；

(2) problem of drive mechanism ball screw easy fracture is overcome using the design of swingable bearing block so that low branch Cut more durable in use；

(3) each component is made into independent entirety by modular design, without complicated connection, improve production efficiency And product stability.

Description of the drawings

Fig. 1 is low secateurs overall structure diagram of the present utility model；

Fig. 2 is blade mechanisms structural representation of the present utility model；

Fig. 3 is drive mechanism structural representation of the present utility model；

In figure：1 is casing；2 is blade mechanisms；3 is drive mechanism；4 is drive mechanism；5 is top cutter；6 is bottom knife； 7 is locking gear；8 is anti-turn spring piece；9 is ball screw；10 is ball screw nut；11 is bearing block；12 is bearing block Support；13 is rotating shaft；14 is shaft hole；15 is fixed part；16 is tight lock part；17 is location division；18 is back-moving spring；19 are row Journey Magnet；20 is adjusting screw；21 is magnetic receiver；22 is spring base；23 is push rod；24 is push rod oil sealing；25 is clicking section；26 For upper casing；27 is lower casing；28 is the first Plug pin patch bay；29 is first group of contact pin；30 is the second Plug pin patch bay；31 insert for second group Pin.

Specific embodiment

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment is used to illustrate this utility model, but can not be used for limiting scope of the present utility model.

The structure of the low secateurs of this utility model embodiment includes as shown in Figure 1 to Figure 3：Casing 1, and it is arranged on casing Blade mechanisms 2, drive mechanism 3 and drive mechanism 4 in 1, one end and the drive mechanism 4 of drive mechanism 3 are connected, the other end It is connected with blade mechanisms 2；Blade mechanisms 2 include rotating the top cutter 5 and bottom knife 6, top cutter 5 and the lower knife of connection The junction of piece 6 is provided with the blade locking gear 7 and anti-turn spring piece 8 for cooperating；Drive mechanism 3 includes ball screw 9 With the ball screw nut 10 being sleeved on the ball screw 9；Universal connection between ball screw 9 and drive mechanism 4, and Junction is provided with the bearing block 11 and bearing bracket 12 for cooperating, and bearing bracket 12 is fixed at the inwall of casing 1, Bearing block 11 is installed in bearing bracket 12 and can swing in the bearing bracket 12；Ball screw nut 10 and top cutter , there is relative motion in 5 connections, realize beta pruning action for driving top cutter 5 with bottom knife 6.

In the low secateurs course of work, top cutter 5 is circled around center of rotation, therefore be connected with top cutter 5 When promoting top cutter 5 to move, not exclusively simple linear reciprocating motion is accompanied by the upper of ball screw 9 to ball screw 9 Lower swing, so just generates the problem that ball screw 9 is easily broken off, and in order to solve the problem, the outer wall of bearing block 11 is arranged There is symmetrical two rotating shaft 13, the shaft hole 14 of correspondence rotating shaft 13 is provided with bearing bracket 12, rotating shaft 13 is installed in In shaft hole 14 so that bearing block 11 can swing around the rotating shaft 13, be so just avoided that and swing up and down the impact to ball screw, So as to extend the life-span of ball screw.

Wherein, anti-turn spring piece 8 is provided with fixed part 15 and the resilient tight lock part 16 of tool, fixed part 15 and bottom knife 6 It is fixedly connected, tight lock part 16 is engaged with blade locking gear 7, for limiting the one-directional rotation of blade locking gear 7, anti-turn spring Piece 8 is additionally provided with the location division 17 being plugged in bottom knife 6, the simple structure of anti-turn spring piece 8, easy installation and removal, therefore more Allowing blade replacement work is simple and convenient, without additionally dismantling low secateurs internal structure.

In order to realize the efficient utilization of top cutter 5, in ball screw nut 10 back-moving spring 18, section magnetism is provided with 19 and adjusting screw 20, section magnetism 19 is arranged between back-moving spring 18, adjusting screw 20, is revolved by changing adjusting screw 20 Enter the length of ball screw nut 10, position of the adjustable stroke Magnet 19 in ball screw nut 10 reaches control upper slitter The purpose of the stroke of piece 5.In use, top cutter 5 has after certain abrasion, can adjust adjusting screw 20 to adjust upper slitter The stroke of piece 5, can keep the work efficiency of low secateurs.It is additionally provided with for installing section magnetism 19 in ball screw nut 10 Magnetic receiver 21, one end and the adjusting screw 20 of magnetic receiver 21 are abutted against, and the other end is abutted against with back-moving spring 18, magnetic receiver 21 The other end is provided with the spring base 22 playing the guiding role.

Push rod 23 is wherein provided between ball screw nut 10 and the top cutter 5, the push rod 23 is provided with oil filler point And the push rod oil sealing 24 matched with the oil filler point, push rod oil sealing 24 is with the clicking section 25 for stirring it, clicking section 25 Integral type is arranged on push rod oil sealing 24, and push rod oil sealing 24 has elasticity, during the lubrication operation of low secateurs, it is only necessary to light The dynamic clicking section 25 of micro-shifting just oil addition can be lubricated at oil filler point.

Further, casing 1 includes upper casing 26 and the lower casing 27 for mutually connecting, blade mechanisms 2, the and of drive mechanism 3 Drive mechanism 4 is located in the space that upper casing 26 and lower casing 27 are formed.The first Plug pin patch bay 28 is fixed with the lower casing 27, the First group of contact pin 29 is provided with one Plug pin patch bay 28, drive mechanism 4 is fixedly connected with the second Plug pin patch bay 30, in the second Plug pin patch bay 30 It is provided with second group of contact pin 31.The mechanism that two groups of contact pins are provided separately, can cause each into module, so be set by modular Meter makes each component into independent entirety, without complicated connection, improves production efficiency of assembling and product stability.

As described above, low secateurs of the present utility model is after being powered up, the action first of drive mechanism 4, then by passing Dynamic connection, transfers power to drive mechanism 3, and drive mechanism 3 passes through ball screw 9 and ball screw nut 10 by driving machine The convert rotational motion that structure 4 is provided is linear reciprocating motion, and then ball screw 9 is connected with top cutter 5 by push rod 23, and is controlled Top cutter processed 5 does shear action, completes the whole work process of low secateurs.

The above is only preferred implementation of the present utility model, it is noted that for the ordinary skill people of the art Member for, on the premise of without departing from this utility model know-why, some improvements and modifications can also be made, these improve and Retouching also should be regarded as protection domain of the present utility model.

Claims

1. a kind of low secateurs, it is characterised in that the low secateurs includes：Casing (1), and be arranged in the casing (1) Blade mechanisms (2), drive mechanism (3) and drive mechanism (4), one end and the drive mechanism (4) of the drive mechanism (3) are passed Dynamic connection, the other end is connected with the blade mechanisms (2)；

The blade mechanisms (2) include the top cutter (5) and bottom knife (6), the top cutter (5) and the lower knife for rotating connection The junction of piece (6) is provided with the blade locking gear (7) and anti-turn spring piece (8) for cooperating；

The drive mechanism (3) includes ball screw (9) and the ball screw nut being sleeved on the ball screw (9) (10)；Universal connection between the ball screw (9) and the drive mechanism (4), and junction is provided with what is cooperated Bearing block (11) and bearing bracket (12), the bearing bracket (12) is fixed at the inwall of the casing (1), the axle Bearing (11) is installed in the bearing bracket (12) and can swing in the bearing bracket (12)；The ball screw spiral shell Female (10) are connected with the top cutter (5), and relative motion occurs with the bottom knife (6) for driving the top cutter (5).

2. low secateurs as claimed in claim 1, it is characterised in that the outer wall of the bearing block (11) is provided with symmetrical Two rotating shafts (13), are provided with the shaft hole (14) of the correspondence rotating shaft (13), the rotating shaft on the bearing bracket (12) (13) it is installed in the shaft hole (14) so that the bearing block (11) can swing around the rotating shaft (13).

3. low secateurs as claimed in claim 1 or 2, it is characterised in that the anti-turn spring piece (8) is provided with fixed part (15) And have resilient tight lock part (16), the fixed part (15) is fixedly connected with the bottom knife (6), the tight lock part (16) with Blade locking gear (7) engagement, for limiting blade locking gear (7) one-directional rotation.

4. low secateurs as claimed in claim 3, it is characterised in that the anti-turn spring piece (8) be additionally provided be plugged in it is described Location division (17) in bottom knife (6).

5. low secateurs as claimed in claim 1 or 2, it is characterised in that is provided with reset in the ball screw nut (10) Spring (18), section magnetism (19) and adjusting screw (20), the section magnetism (19) is arranged at the back-moving spring (18), adjusts Between section screw (20), the length of the ball screw nut (10) is screwed in by changing adjusting screw (20), described in scalable Position of the section magnetism (19) in the ball screw nut (10).

6. low secateurs as claimed in claim 5, it is characterised in that is additionally provided with for filling in the ball screw nut (10) If the magnetic receiver (21) of the section magnetism (19), one end and the adjusting screw (20) of the magnetic receiver (21) are abutted against, The other end is abutted against with the back-moving spring (18).

7. low secateurs as claimed in claim 6, it is characterised in that the other end of the magnetic receiver (21) has been provided with leads To the spring base (22) of effect.

8. low secateurs as claimed in claim 1 or 2, it is characterised in that the ball screw nut (10) and the top cutter (5) push rod (23) is provided between, the push rod (23) is provided with oil filler point and push rod oil sealing (24) matched with the oil filler point.

9. low secateurs as claimed in claim 8, it is characterised in that the push rod oil sealing (24) is with for dialling of stirring it Dynamic portion (25).

10. low secateurs as claimed in claim 1, it is characterised in that the casing (1) includes the upper casing (26) for mutually connecting With lower casing (27), the blade mechanisms (2), drive mechanism (3) and drive mechanism (4) are positioned at the upper casing (26) and lower machine In the space that shell (27) is formed；It is fixed with the lower casing (27) in the first Plug pin patch bay (28), first Plug pin patch bay (28) First group of contact pin (29) is provided with, the drive mechanism (4) is fixedly connected with the second Plug pin patch bay (30), second Plug pin patch bay (30) it is provided with second group of contact pin (31) in.