CN208982583U - A kind of Spring balancer with self-lock protection mechanism - Google Patents

Abstract

A kind of Spring balancer with self-lock protection mechanism of the utility model; including balancer ontology; balancer body bottom portion side fixing sleeve is connected to guiding sleeve; the internal activity of guiding sleeve is socketed with the drawstring for protruding into balancer body interior; the bottom fixing sleeve that drawstring stretches out balancer ontology is connected to link block; the bottom fixing sleeve of link block is connected to hook; the balancer body bottom portion other side is welded with connecting rod; the bottom of connecting rod is hinged with swing casing, swings casing far from one end sliding sleeve of connecting rod and is connected to motion bar.The utility model structure simple operations are convenient and efficient, on the one hand the clamping force to drawstring can be adjusted, to control speed of the drawstring when Spring balancer restores, hook is avoided to lash to neighbouring article and personnel, keep Spring balancer safe and reliable, on the other hand drawstring is fixed, adjusts the distance between drawstring bottom hook and Spring balancer according to actual needs, operator is facilitated to use.

Description

A kind of Spring balancer with self-lock protection mechanism

Technical field

The utility model belongs to machine-building auxiliary mould technical field, is related to a kind of Spring balancer, in particular to one Kind has the Spring balancer of self-lock protection mechanism.

Background technique

Spring balancer be using external advanced technologies, in conjunction with the concrete condition of domestic manufacturer, one kind of designed, designed with The matching used auxiliary tool of operational instrument, the energy which puts aside by wind spring make at hung operational instrument In null-gravity state, the labor intensity of operator is reduced energetically, improves labor productivity, and therefore, Spring balancer is Indispensable auxiliary tool in factory.

For traditional Spring balancer when in use without locking function, drawstring drives hook quick when restoring It is mobile, so that hook is easy to collide with neighbouring personnel or object, damage；In addition, traditional Spring balancer is not Have the ability for adjusting distance between hook and Spring balancer, it is inconvenient when use, need thus it is a kind of have it is self-locking The Spring balancer of protection mechanism.

Summary of the invention

The purpose of the utility model is to provide a kind of Spring balancers with self-lock protection mechanism, effectively solve existing skill Art there are the problem of.

The technical solution for solving above-mentioned technical problem is: a kind of Spring balancer with self-lock protection mechanism, including flat Weighing apparatus ontology, balancer body bottom portion side fixing sleeve are connected to guiding sleeve, and the internal activity of guiding sleeve, which is socketed with, to be stretched Enter the drawstring of balancer body interior, the bottom fixing sleeve that drawstring stretches out balancer ontology is connected to link block, the bottom of link block Fixing sleeve is connected to hook, and the balancer body bottom portion other side is welded with connecting rod, and the bottom of connecting rod is hinged with swing casing, pendulum Dynamic casing is connected to motion bar far from one end sliding sleeve of connecting rod, and one end that motion bar stretches out swing casing is hinged with the first locking Buffer gear, motion bar, which protrudes into below the one end for swinging casing, is hinged with adjusting rod, and adjusting rod stretches out one end hinge for swinging casing It is connected to the second locking buffer gear, adjusting rod offers the holding tank being arranged along its length close to the side of motion bar, holds Slot of receiving far from one end inner sidewall of balancer ontology is hinged with support rod.

The further technical solution of the utility model is: the first locking buffer gear includes the peace hinged with motion bar Loading board, mounting plate are hinged with two groups of clamping plates along the symmetrically arranged arc-shaped structure of mounting plate far from the side both ends of motion bar, Clamping plate is hinged with push rod far from one end of mounting plate, and two groups of push rods slidably connect set parallel with mounting plate far from one end of clamping plate The push plate set, push plate are connected to two groups of guiding bars being fixedly connected with mounting plate side close to the side both ends movable sleeve of mounting plate, First locking buffer gear is identical as the second locking structure of buffer gear.

The further technical solution of the utility model is: two groups of clamping plate sides close to each other offer along its length The mounting hole being placed equidistant with, the internal slide of mounting hole are socketed with top pillar, and one end sliding sleeve that top pillar stretches out mounting hole is connected to rolling Pearl, one end that top pillar protrudes into mounting hole are welded with spring.

The further technical solution of the utility model is: the push plate offers strip close to one end two sides of mounting plate The guiding groove of structure, and guiding groove is slidably connected with push rod, one end outer ring screw thread that guiding bar stretches out push plate is socketed with adjusting spiral shell It is female.

The further technical solution of the utility model is: the bottom for swinging casing offers to be arranged along its length The channel of string configuration, adjusting rod stretches out from channel swings casing.

The further technical solution of the utility model is: the bottom of the motion bar offers equidistantly to be set along its length The connecting hole set, the top movable of support rod are socketed with the socket of connecting hole screw thread to extension bar, to the outer ring fixing sleeve of extension bar It is connected to turntable.

A kind of Spring balancer with self-lock protection mechanism of the utility model has the following beneficial effects:

It is adjustable to drawstring 1. the utility model is by being provided with mounting plate, clamping plate, push rod, push plate and guiding bar Clamping force avoids hook from lashing to neighbouring article and personnel to control speed of the drawstring when Spring balancer restores, Keep Spring balancer safe and reliable；

2. the balancer ontology of the utility model, drawstring, link block, hook, connecting rod, swings casing, work at guiding sleeve Lever, the first locking buffer gear, adjusting rod, the second locking buffer gear, holding tank and support rod cooperate, can be according to reality Border needs to adjust the distance between drawstring bottom hook and Spring balancer, and operator is facilitated to use.

In the following, the skill of the Spring balancer with self-lock protection mechanism a kind of to the utility model in conjunction with the accompanying drawings and embodiments Art feature is further described.

Detailed description of the invention

A kind of Fig. 1: structural schematic diagram of the Spring balancer with self-lock protection mechanism of the utility model；

Fig. 2: the structural schematic diagram of the locking buffer gear of the utility model first；

Fig. 3: the structural schematic diagram of the utility model push plate；

Drawing reference numeral explanation: 1- balancer ontology, 2- guiding sleeve, 3- drawstring, 4- link block, 5- hook, 6- connecting rod, 7- swings casing, 8- motion bar, and 9- first locks buffer gear, 10- adjusting rod, and 11- second locks buffer gear, and 12- is accommodated Slot, 13- support rod, 14- mounting plate, 15- clamping plate, 16- push rod, 17- push plate, 18- guiding bar.

Specific embodiment

As shown in Figure 1 to Figure 3, a kind of Spring balancer with self-lock protection mechanism of the utility model, including balancer Ontology 1,1 bottom side fixing sleeve of balancer ontology are connected to guiding sleeve 2, the internal activity of guiding sleeve 2 be socketed with protrude into it is flat Drawstring 3 inside weighing apparatus ontology 1, the bottom fixing sleeve that drawstring 3 stretches out balancer ontology 1 are connected to link block 4, the bottom of link block 4 Portion's fixing sleeve is connected to hook 5, and the 1 bottom other side of balancer ontology is welded with connecting rod 6, and the bottom of connecting rod 6 is hinged with swing Casing 7 swings casing 7 far from one end sliding sleeve of connecting rod 6 and is connected to motion bar 8, and motion bar 8 stretches out the one end for swinging casing 7 It is hinged with the first locking buffer gear 9, motion bar 8 protrudes into below the one end for swinging casing 7 and is hinged with adjusting rod 10, adjusting rod 10 The one end for stretching out swing casing 7 is hinged with the second locking buffer gear 11, and adjusting rod 10 offers edge close to the side of motion bar 8 The holding tank 12 of its length direction setting, holding tank 12 are hinged with support rod 13 far from one end inner sidewall of balancer ontology 1.

First locking buffer gear 9 includes the mounting plate 14 hinged with motion bar 8, mounting plate 14 far from motion bar 8 one Side both ends are hinged with two groups of clamping plates 15 along the symmetrically arranged arc-shaped structure of mounting plate 14, clamping plate 15 far from mounting plate 14 one End is hinged with push rod 16, and two groups of push rods 16 slidably connect and the push plate disposed in parallel of mounting plate 14 far from one end of clamping plate 15 17, push plate 17 is connected to two groups of guiding bars being fixedly connected with 14 side of mounting plate close to the side both ends movable sleeve of mounting plate 14 18, the first locking buffer gear 9 is identical as the second locking structure of buffer gear 11, and two groups of sides close to each other of clamping plate 15 are opened Equipped with the mounting hole being placed equidistant with along its length, the internal slide of mounting hole is socketed with top pillar, and top pillar stretches out mounting hole One end sliding sleeve is connected to ball, and one end that top pillar protrudes into mounting hole is welded with spring, and push plate 17 is close to one end of mounting plate 14 two Side offers the guiding groove of string configuration, and guiding groove is slidably connected with push rod 16, and guiding bar 18 stretches out one end of push plate 17 Outer ring screw thread is socketed with adjusting nut, and the bottom for swinging casing 7 offers the channel that string configuration is arranged along its length, Adjusting rod 10 stretches out from channel swings casing 7, and the bottom of motion bar 8 offers the connection being placed equidistant with along its length Hole, the top movable of support rod 13 are socketed with the socket of connecting hole screw thread to extension bar, are connected to and turn to the outer ring fixing sleeve of extension bar Disk.

Working principle: when use, by drawstring 3 from the first locking buffer gear 9 and the second locking buffer gear 11 Two groups of clamping plates 15 between be pierced by, adjusting rod 10 is pulled downward on, then by the support rod 13 on adjusting rod 10 from holding tank 12 Middle extraction, and be fixedly connected with support rod 13 and the connecting hole of 8 bottom of motion bar, thus adjust the first locking buffer gear 9 with Position between second locking buffer gear 11, then pulls downward on drawstring 3, while turning on the second locking buffer gear 11 Adjusting nut in guiding bar 18, to make two groups of clamping plates 15 move under the group of push rod 16 to direction close to each other, then Drawstring 3 is clamped, at this time stretches out the top pillar of clamping plate 15 to the internal motion of clamping plate 15, to make clamping plate 15 and drawstring 3 Contact realizes the fixation to drawstring 3 so that drawstring 3 is clamped between clamping plate 15, and benefit adjusts the first locking in the same way Buffer gear 9 makes the ball and drawstring 3 on top pillar so that the clamping plate 15 on the first locking buffer gear 9 is not contacted with drawstring 3 Contact, when Spring balancer restores drawstring 3, clamps ball to drawstring 3 using top pillar upper spring, gives 3 one resistances of drawstring, to avoid drawstring 3 quickly to the internal motion of Spring balancer, to avoid the hook of 3 bottom of drawstring 5 acutely swing when restoring, and hook is avoided 5 to lash to neighbouring article and personnel, make Spring balancer using it is safe can It leans on, the design structure simple operations are convenient and efficient, the clamping force to drawstring on the one hand can be adjusted, to control drawstring in bullet Speed when spring balancer restores avoids hook from lashing to neighbouring article and personnel, keeps Spring balancer safe and reliable, On the other hand drawstring is fixed, adjusts the distance between drawstring bottom hook and Spring balancer, side according to actual needs Just operator uses.

Above embodiments are only the preferred embodiment of the utility model, and the structure of the utility model is not limited to above-mentioned implementation The form enumerated of example, any modification made within the spirit and principle of the present invention, equivalent replacement etc. should all include It is within the protection scope of the utility model.

Claims (6)

1. a kind of Spring balancer with self-lock protection mechanism, including balancer ontology (1), which is characterized in that the balance Device ontology (1) bottom side fixing sleeve is connected to guiding sleeve (2), and the internal activity of guiding sleeve (2), which is socketed with, protrudes into balancer The internal drawstring (3) of ontology (1), the bottom fixing sleeve that drawstring (3) stretches out balancer ontology (1) are connected to link block (4), link block (4) bottom fixing sleeve is connected to hook (5), and balancer ontology (1) bottom other side is welded with connecting rod (6), connecting rod (6) Bottom, which is hinged with, swings casing (7), swings casing (7) and is connected to motion bar (8) far from one end sliding sleeve of connecting rod (6), activity One end that bar (8) stretches out swing casing (7) is hinged with the first locking buffer gear (9), and motion bar (8), which protrudes into, swings casing (7) One end below be hinged with adjusting rod (10), adjusting rod (10) stretch out swing casing (7) one end be hinged with the second locking buffering Mechanism (11), adjusting rod (10) offer the holding tank (12) being arranged along its length close to the side of motion bar (8), accommodate Slot (12) is hinged with support rod (13) far from one end inner sidewall of balancer ontology (1).

2. a kind of Spring balancer with self-lock protection mechanism according to claim 1, which is characterized in that described first Locking buffer gear (9) includes the mounting plate (14) hinged with motion bar (8), side of the mounting plate (14) far from motion bar (8) Both ends are hinged with two groups of clamping plates (15) along mounting plate (14) symmetrically arranged arc-shaped structure, and clamping plate (15) is far from mounting plate (14) one end is hinged with push rod (16), and two groups of push rods (16) slidably connect and mounting plate (14) far from the one end of clamping plate (15) Push plate (17) disposed in parallel, side both ends movable sleeve of the push plate (17) close to mounting plate (14) are connected to two groups and mounting plate (14) The guiding bar (18) that side is fixedly connected, the first locking buffer gear (9) are identical as the second locking structure of buffer gear (11).

3. a kind of Spring balancer with self-lock protection mechanism according to claim 2, which is characterized in that two groups of clamping plates (15) side close to each other offers the mounting hole being placed equidistant with along its length, and the internal slide of mounting hole is socketed with top Column, one end sliding sleeve that top pillar stretches out mounting hole are connected to ball, and one end that top pillar protrudes into mounting hole is welded with spring.

4. a kind of Spring balancer with self-lock protection mechanism according to claim 2, which is characterized in that the push plate (17) one end two sides close to mounting plate (14) offer the guiding groove of string configuration, and guiding groove and push rod (16) sliding connect It connects, one end outer ring screw thread that guiding bar (18) stretches out push plate (17) is socketed with adjusting nut.

5. a kind of Spring balancer with self-lock protection mechanism according to claim 1, which is characterized in that the swing The bottom of casing (7) offers the channel that string configuration is arranged along its length, and adjusting rod (10) stretches out pendulum from channel Dynamic casing (7).

6. a kind of Spring balancer with self-lock protection mechanism according to claim 1, which is characterized in that the activity The bottom of bar (8) offers the connecting hole being placed equidistant with along its length, and the top movable of support rod (13) is socketed with and connects Connect hole screw thread socket to extension bar, turntable is connected to the outer ring fixing sleeve of extension bar.