CN87215931U

CN87215931U - Hooping device of large calibre bung

Info

Publication number: CN87215931U
Application number: CN 87215931
Authority: CN
Inventors: 李志强
Original assignee: Individual
Current assignee: Individual
Priority date: 1987-11-30
Filing date: 1987-11-30
Publication date: 1988-09-28

Abstract

The utility model discloses a hooping device of large calibre bung which comprises a circular hoop with a hole nose, a fastener hauling the circular hoop taut by the hole nose and a hoop driver. The hoop driver comprises two fastening arms and one handle; the front ends of the fastening arms are opposite; the fastening arm is provided with a fastening nose; the rear ends of the fastening arms are movably connected; the handle makes the front ends of the two fastening arms move relatively. The hoop driver is provided with one rocker with at least one couple of bend hooks with different space or the hoop driver is a variable type fastener composed of one flat bar and one adjusting ring. The utility model can reduce labour intensity, improve efficiency, decrease packing expense, and reduce the loss of field crop and storing material.

Description

Hooping device of large calibre bung

The utility model relates to sealing of a kind of container, particularly a kind of open head drum lid lock ring device.

Therefore open head drum is used for the middle storage and transport process of material in large quantities because its can seasoning material is convenient.Usually, sealing of open head drum is by circular boop with bung and staving hoop together, by threaded connector or wrench device circular boop is fixed on the open head drum then.This removable sealing mode with respect to not removable, also promptly can only disposable sealing mode, obviously be a progress, because it helps the repeated usage of staving and bung.But with threaded connector circular boop is fixed on weak point is also arranged on the open head drum, at first, because angle limits, nut is moved several centimetres of times that needs are more on screw rod, when big in batches, when labor content was big, regular meeting produced the situation that nut is not fully tightened, and caused the consequence of taking off lid or the leakage of internal storage material; Secondly, open head drum is after long-distance transport or long term storage, owing to expose to the sun and rain, threaded connector can very fast corrosion, take off when cover, and or not to twist difficultly, twist into two parts exactly, cause loss; Once more, when open head drum is used for holding some special commodity, during for example from huge numbers of families' honey,, cause very big loss because unpacking inconvenience is difficult to carry out large-scale sampling inspection, thereby is difficult to supervisory quality.And with wrench device circular boop is fixed on weak point is arranged also on the open head drum, at first, the fulcrum that its similar leather trunk is taken loop is unable to undergo long-term static(al) stay bolt, easy deformation, and be unable to undergo to impact; Secondly, its manufacturing and maintenance cost are higher.

The purpose of this utility model provides a kind of open head drum lid lock ring device, and this device comprises the circular boop of being with Chuanbi, hoop driver and fastener, hoop driver is simple in structure, and is easy to carry, can produce powerful power in moment, can adapt to the use of various occasions and angle, the energy one-handed performance; Fastener processing is simple, with low cost, long service life, and this device can improve work efficiency, reduces labour intensity, reduces Packing Fee, reduces the loss of open head drum and storage material.

The purpose of this utility model realizes in the following manner, and a kind of open head drum lid lock ring device comprises the circular boop of being with Chuanbi, tightens up the fastener of circular boop and a hoop driver by Chuanbi; Described hoop driver comprises two front ends relatively and with card arm grab, that the rear end is movably connected, and the handles that can make the front end relative motion of two card arms.

Further improvement of the utility model is, described fastener is one to have the cover hook of the different crotch of at least one pair of above spacing, or one by belt length circular port in the middle of the flat bar and of the some grooves of relative both sides band of end band crotch, the other end one by one, the adjustable fastener that can form with the fixing regulating ring of the groove fit on the flat bar.

The utility model has the advantages that a kind of open head drum lid lock ring device is provided, and the hoop driver in this device is simple in structure, easy to carry, can produce powerful power in moment, can adapt to the use of various occasions and angle, the energy one-handed performance, fastener processing is simple, with low cost, even corrosion is arranged, still can continue to use, as the distortion that is hit, also can repair by hand, so long service life; In a word, use this device can improve work efficiency, reduce labour intensity, reduce Packing Fee, reduce the loss of open head drum and storage material.

Below in conjunction with accompanying drawing embodiment of the present utility model is done detailed explanation:

Fig. 1 utilizes threaded connector to tighten up circular boop in the prior art, make bung and staving hoop structure diagram together;

Fig. 2 utilizes wrench device to tighten up circular boop in the prior art, make bung and staving hoop structure diagram together;

Fig. 3 utilizes the fastener in the utility model to tighten up circular boop, makes bung and staving hoop structure diagram together;

Fig. 4 is first kind of structural representation of the hoop driver in the utility model;

Fig. 5 is second kind of structural representation of the hoop driver in the utility model;

Fig. 6 is that the A of structure shown in Figure 5 is to view;

Fig. 7 is the third structural representation of the hoop driver in the utility model;

Fig. 8 is the cutaway view along structure B-B line shown in Figure 7;

Fig. 9 is the 4th a kind of structural representation of the hoop driver in the utility model;

Figure 10 is the cutaway view along structure C shown in Figure 9-C line;

Figure 11 is the 5th a kind of structural representation of the hoop driver in the utility model;

Figure 12 is the cutaway view along structure D-D line shown in Figure 11;

Figure 13 is first kind of structural representation of the fastener in the utility model;

Second kind of structural representation of the fastener in the utility model of Figure 14;

Figure 15 is the third structural representation of the fastener in the utility model;

Figure 16 is the cutaway view along structure E-E line shown in Figure 15.

Referring to Fig. 1, the bung 1 of open head drum covers on staving 2, be with the opening circular boop 5 of Chuanbi 3 and 4 to be entrenched on the edge of bung 1 and staving 2, Chuanbi 3 and 4 all is horizontal concave structure, and two spill openings are (in Fig. 1 towards the left side) in the same way, Chuanbi 3 and 4 downside do not have closure, and the bottom of concave structure (being the right side) respectively has a hole.Screw rod 6 in the threaded connector passes the hole in Chuanbi 3 and 4, by the nut in the screwing up threaded connector 7 circular boop 5 is tightened up, thereby fixedly closes the pass between bung 1 and the staving 2.Fig. 1 is an open head drum enclosuring structure of the prior art.

Referring to Fig. 2, opening circular boop 8 is entrenched on the edge of bung 1 and staving 2, the opening part of circular boop 8 has a wrench device, wrench device comprises a hasp 9 that is formed on circular boop 8 opening parts one end, a spanner 10 that rotatably is fixed on the circular boop 8 opening part other ends, thereby and one rotatably be fixed on the spanner 10, can entangle the frame that hasp 9 tightens up circular boop 8 and buckle 11.The free-ended downside of spanner 10 has a lug 12 with holes, the lug 13 one corresponding with lug 12 positions, that structure is identical is arranged on the circular boop 8, after wrench device is tightened up circular boop 8, an iron wire is passed hole on

lug

12 and 13, and twining slightly, thereby the position after the back-up wrench device tightens up.Said structure also is existing in the prior art.

Referring to Fig. 3, this is the embodiment that the utility model is recommended, here, still use circular boop 5, Chuanbi 3 and 4 are also arranged, just fastener adopts the cover hook 14 of two ends band crotch, and the two ends crotch of cover hook 14 can just in time penetrate in the hole of Chuanbi 3 and 4, thereby the circular boop 5 after will tightening up is fixed.But use this fastener must at first tighten up circular boop 5, recommend several hoop drivers that are used for tightening up circular boop below.

Referring to Fig. 4, this is first kind of structure of hoop driver, also is basic structure, and other hoop driver structure all is to change according to the groundwork of this structure.It comprises the first card arm 15 and the second card arm 16, the front end that blocks

arm

15 and 16 has

grab

17 and 18 respectively, the rear end of card arm 16 rotatably is connected with the centre of card arm 15, the high card release arm 15 of rear end part of card arm 15 and the plane at 16 fore-end places, and as handle 19, when rotary handle 19, hand can not run into bung 1 like this.Grab 17 and 18 shape should make on its periphery that removably is enclosed within circular boop 5.

In the time will tightening up circular boop 5,

grab

17 and 18 is enclosed within on the circular boop 5 in the Chuanbi 3 and 4 outsides, the clickwise handle 19 as shown in Figure 4, owing to Chuanbi 3 and 4 is subjected to the opening move toward one another that a pair of power in opposite directions makes circular boop 5.After tightening up circular boop 5, put the fastener that the utility model provides, just can make circular boop 5 keep tightening up state, unload hoop driver then.

Referring to Fig. 5 and Fig. 6, this is second kind of structure of hoop driver, and it comprises the first card arm, 20, the second card arms 21, and the front end that blocks arm 20 and 21 also has grab 17 and 18.The rear end of card arm 21 rotatably is connected with the middle part of card arm 20, the high card release arm 20 of rear end part of card arm 20 and the plane at 21 fore-end places, and form handle 22.Card arm 20 and 21 opposed inside respectively have a projection 23 and 24, are fixing an end of spring 25 on it respectively.

The principle of work of second kind of structure is the same substantially, after just fastener installs, when hand is not exerted oneself on handle 22, because the effect of spring 25, can make two card arms 20 and 21 reset to state when not working, the height that the outside of blocking arm 21 this moment just in time withstands on card arm 20 rear ends plays the place, thereby make metastable reset position is arranged between card arm 20 and 21.

Referring to Fig. 7 and Fig. 8, this is the third structure of hoop driver, and it comprises

card arm

26 and 27, and the front end that

blocks arm

26 and 27 has

grab

17 and 18 respectively, and the rear end of blocking

arm

26 and 27 rotatably is fixed on the base plate 28 respectively.Two downsides be fixed on the base plate 28

side plate

29 and 30 and the fulcrum 31 that is separately fixed on two blocks of

side plates

29 and 30 of two ends form supports.One end of handle 32 rotatably is fixed on the fulcrum 31 of support, also has a through hole in the side of this end.Cooresponding place, handle hole position also has a through hole respectively therewith on the

biside plate

29 and 30 of support.Metallic cable 33 passes above-mentioned three through holes, and the two ends of metallic cable 33 are separately fixed on the midway location of card arm 26 and 27.A

spring

34 and 35 around metallic cable 33 is put at this

external side plate

29 and 30 the outside and metallic cable 33 fixed end places respectively.

When this hoop driver uses, base plate 28 is placed on the bung 1,

grab

17 and 18 is enclosed within respectively on the circular boop in the Chuanbi 3 and 4 outsides, upwards pull the free end of handle 32, be through in

side plate

29 and 30 holes and handle 32 holes in metallic cable will be pulled, and make

grab

17 and 18 relative motions on

card arm

26 and 27, thus circular boop 5 openings are tightened up, so that put the fastener that the utility model is recommended.After fixedly finishing, when hand was not exerted oneself on handle 32,

spring

34 and 35 will make

card arm

26 and 27 reset.Till metallic cable 33 is tightened.This structure is suitable for operating in bigger space.

Referring to Fig. 9 and Figure 10, this is the 4th a kind of structure of hoop driver, and it is a kind of hoop driver with latch-up structure.This hoop driver comprises the first card arm, 36, the second card arms 37, and the front end that blocks

arm

36 and 37 has

grab

17 and 18 respectively.A housing 38 that is the L type is fixed in the rear end of the first card arm 36, housing has a gear 39 for 38 li, gear 39 is that the end by the handle 40 that is the L type is rotatably installed in 38 li of housings: an end of handle 40 has the one section screw thread that cooperates with screws in the middle of the gear 39, can make an end and gear 39 relative fixed of handle 40 after tightening; The both sides of this section screw thread on the handle 40 are optical axises, the hole bearing fit on the optical axis that the diameter in the outside is less and the first card arm 36, and optical axis that inboard diameter is bigger and the hole bearing fit on the housing 38, as shown in figure 10.Second the card arm 37 also is the L type, 38 li of housings are stretched in its rear end, and with housing 38 bearing fits.The upper side of card arm 37 rear ends has and gear 39 ingear teeth 41, on the part of card arm 37 rear ends also around an outer cover 42, one end of outer cover 42 is fixed on the rear end of housing 38, and the other end is an opening, and the upside of housing opening end has one can hold the seam road that the second card arm 37 slides betwixt.The end of one end of first spring, 43, the first springs 43 against housing 38 is installed in the outer cover 42, and other end bias voltage the second card arm 37.In order to prevent the first card arm 36 and the second card arm 37 to be broken away from owing to the thrust of first spring 43, tail end at the second card arm 37 is fixed a projection 44, and on housing 38 corresponding positions, open a breach 45, breach 45 can keep off projection 44 and move right, thereby makes the rear end of the second card arm 37 be positioned at 38 li of housings all the time.38 li a blocking device has been installed also at housing, this blocking device comprises the locking piece 46 and second spring 47.Locking piece 46 is rotatably installed on the inside face of the first card arm, 36 rear ends, and an end of locking piece 46 is positioned at housing 38, and can be chimeric with the tooth 41 on the second card arm 37, so that the unidirectional stop second card arm 37 moves; The other end of locking piece 46 is positioned at outside the housing 38, should when end when downward pressing, and can make an end of locking piece 46 break away from chimeric with tooth 41; Be positioned at the wall of second spring, 47 1 ends of housing 38 against housing 38, an end is fixed on the flange of locking piece 46 sides, thereby a bias voltage end of locking piece 46 removes chimeric tooth 41 all the time.

During the work of the hoop driver of this structure, with the fit system of circular boop 5 as previously mentioned.The just front end of two the card arms relative motion that is in line, rather than aforesaid camber line relative motion " are stung " firmly circular boop firmly but such structure helps grab, thereby are driven the opening relative motion of circular boop.When handle 40 clickwises, gear 39 is clickwise also, is moved to the left by driving the second card arm 37 with gear 39 ingear teeth 41.After hoop driver is tightened to circular boop 5 to a certain degree, decontrol handle, because the effect of blocking device, hoop driver can be from horizontal reset, thereby can free hand to install the fastener that the utility model provides.Install, press down locking piece 46 and be positioned at housing 38 end outward, locking piece 46 is chimeric with regard to disengaging and tooth 41, and under the effect of first spring 43, hoop driver is returned to initial position.

Referring to Figure 11 and Figure 12, this is the 5th a kind of structure of hoop driver.It comprises the first card arm, 48, the second card arms 49, and the front end that blocks

arm

48 and 49 has grab 17 and 18.A housing 50 is fixed in the rear end of the first card arm 48, and a cam 51 is installed in the housing 50, and cam 51 utilizes handle 52 to be rotatably installed in the housing 50 with the 4th kind of mode that structure is identical.The structure of cam 51 as shown in figure 11, from radius maximum F point, radius progressively reduces in the counterclockwise direction.The second card arm 49 is the L type, and 50 li of housings are stretched in its rear end, and blocks the inside face bearing fit of arm 48 rear ends with housing 50 and first.One end of metallic cable 53 is fixed on the lateral margin at F point place of cam 51, and the other end is fixed on the rear end of the second card arm 49.On the reference position of this hoop driver, also be hoop driver when not in running order, the rear end of the most close second card arm 49 of the F point on the cam 51.Spring 54 also has been installed in housing 50, and an end of spring 54 is enclosed within on the pole 55 of being fixed on housing 50 inwalls, and other end bias voltage the rear end of the second card arm 49.

After placing this hoop driver on the circular boop 5 as described above like that, clickwise handle 52 drives cam 51 clickwises, and the tractive metallic cable 53 left, thereby drags the second card arm 49 to left movement, even also the opening of circular boop 5 closes up gradually.In general, along with reducing of circular boop 5 curvature, used power will increase.But be to use cam 51 as shown in figure 11, used power will can not increase, thereby can reduce labor intensity.After fastener installed, the power of spring 54 will make this hoop driver reset on the reference position.

Referring to Figure 13, represented first kind of fastener that the utility model is recommended here.The two ends of cover hook 56 are

crotch

57 and 58, and crotch 57 is enclosed within the hole in Chuanbi 3, and is non-removable; Crotch 58 can be enclosed within after tightening up in the hole in Chuanbi 4 at circular boop, between the hook end of crotch 58 and the bottom land apart from t ₁About 6-8mm.The structure of cover hook 56 can make cover hook 56 along with the unlikely loss of transferring in week in circular boop 5 uses.After installing cover hook 56 and taking hoop driver away, because the bounce of circular boop 5, cover hook 56 is being fixed circular boop 5 firmly, though the lax 6-8mm of circular boop 5 bounce-backs according to practical measurement, can't influence the sealing effect between lid and the bucket.

Referring to Figure 14, this is second kind of fastener that the utility model is recommended, and cover hook 59 has two pairs of

crotches

60 and 61,62 and 63 that spacing is different.Wherein

crotch

60 and 62 hook are longer, are installed in removedly in the hole in Chuanbi 3; And crotch 61 is identical with the structure of the crotch in the structure shown in Figure 13 58 with 63 structure, is enclosed within 4 li in Chuanbi.

The principle of work of cover hook 59 is identical with the principle of work of cover hook 56, but because it has two pairs of crotches that spacing is different, so it can be used for the lock ring of the slightly different open head drum lid in bucket footpath.Certainly, on the cover hook the different crotch of how right spacing can also be arranged, on the lock ring that is applied to various buckets open head drum lid directly.

Referring to Figure 15 and 16, this is the third fastener that the utility model is recommended, and this is a kind of adjustable fastener.This adjustable fastener comprises a flat bar 64 and a regulating ring 65, and an end of flat bar 64 is the crotches 66 that can be enclosed within 3 holes, Chuanbi, and the relative both sides of the other end have some grooves 67; The thickness of regulating ring 65 is more smaller than the width of groove 67, and there is an oval-shaped hole 68 centre of regulating ring 65, and the major axis of slotted eye 68 is than the maximum width t of flat bar 64 groove ends ₂Bigger, and the minor axis of slotted eye 68 is than the maximum width t of flat bar 64 groove ends ₂Smaller but than the minimum width t of flat bar 64 groove ends ₃And the thickness t of flat bar 64 ₄Bigger.

After circular boop 5 tightens up, the crotch 66 of flat bar 64 inserts in the hole in Chuanbi 3, groove ends is inserted in the hole in Chuanbi 4, the groove ends that regulating ring 65 is inserted in flat bar 64 in the mode that the major axis of slotted eye 68 aligns with flat bar 64 groove ends maximum width directions, when regulating ring 64 arrives 67 li of the grooves of flat bar 64 in 4 apertures, the most close Chuanbi, half-twist.Like this when taking hoop driver away, the bounce of circular boop 5 makes regulating ring 65 be entrenched in 67 li of the grooves of flat bar 64 firmly, thereby keeps the state that tightens up of circular boop 5.The fastener of this structure is particularly suitable for the lock ring of the bigger open head drum lid of bucket footpath error.If make regulating ring 65 not break away from flat bar 64, can open a gap 69 at the afterbody of flat bar 64 band groove ends, and the tail diameter after chipping should be bigger than the minor axis of the slotted eye 68 of regulating ring 65.

In above-mentioned all hoop drivers, the free end of each handle can be the screwdriver shape, so that pry open tightly chimeric staving and bung.

The all available stamping-out of above-mentioned all fasteners aspect obtains, thereby reduces the cost of fastener widely.

In the above-described embodiments, since all fasteners all must rely on hoop driver just can be buckled on Chuanbi of circular boop, so also have only with hoop driver and could take off fastener, thereby open bung, so the utility model also has good antitheft effect from Chuanbi of circular boop.

Identical label represents identical structure and parts in institute's drawings attached.

Claims

1, a kind of open head drum lid lock ring device, comprise the circular boop of being with Chuanbi, tighten up the fastener of circular boop by Chuanbi, it is characterized in that, also comprise a hoop driver, this hoop driver comprises that two front ends relatively and have a grab, the card arm that the rear end is movably connected, and handles of front end relative motion that can make two card arms, described fastener is one to have the cover hook of the different crotch of at least one pair of above spacing, or one by end band crotch one by one, band slotted eye in the middle of the flat bar of the some grooves of relative both sides band of the other end and, the adjustable fastener that can form with the fixing regulating ring of groove fit on the flat bar.

2, open head drum lid lock ring device according to claim 1, it is characterized in that hoop driver two card arm rear ends are movably connected is meant that the rear ends with two card arms rotatably connect by a bearing pin, and the handle of hoop driver is from-one section armed lever that Ka arm rear end extends out.

3, open head drum according to claim 2 lid lock ring device is characterized in that hoop driver two card arm opposed inside respectively have a projection, is fixing an end that can make the spring that two card arms reset on it respectively.

4, open head drum lid lock ring device according to claim 1, it is characterized in that hoop driver two card arm rear ends are movably connected is meant that the rear ends with two card arms rotatably are fixed on the base plate respectively, one end of the handle of hoop driver is rotatably installed on the support that is fixed on the base plate, in addition, described hoop driver comprises that also two ends are separately fixed on the midway location of two card arms, hole of handle one end and two holes on the cooresponding support of handle hole are therewith passed in the centre, when pulling handle, can make the metallic cable of front end relative motion of two card arms, and a pair of metallic cable both sides that are looped around respectively, the spring that two card arms are resetted.

5, open head drum lid lock ring device according to claim 1, it is characterized in that hoop driver two card arm rear ends are movably connected is meant and fixes a housing that is the L type in the rear end of the first card arm, one rotatable gear is installed in the housing, the second card arm also is the L type, its rear end is slidably located in the aforementioned housing and has and aforesaid gears ingear tooth, and the rear end of the second card arm also has one to cooperate with breach on the housing so that first block arm and second and block the relatively-stationary projection of arm; The hoop driver handle also is the L type, and its end has and cooperates fixing screw thread with the gear center screw, and be positioned at these screw thread both sides, that cooperate with respectively axis hole on the first card arm and the housing, gear rotatably is fixed on optical axis section on the housing; In addition, hoop driver comprises that also one is looped around first spring that second card is post-brachial, two card arms are resetted, and a blocking device, this blocking device comprise the end that rotatably is fixed on the first card arm rear end inside face in the middle of one, is positioned at housing by with the second card arm on the unidirectional stop second card arm of the chimeric energy of tooth, also have an end be positioned at the outer locking piece and of housing be positioned at housing, the bias voltage locking piece end that is positioned at housing removes chimeric second second spring that blocks the tooth on the arm all the time.

6, open head drum lid lock ring device according to claim 1, it is characterized in that hoop driver two card arm rear ends are movably connected is meant that the rear end at the first card arm fixes a housing, one rotatable, the cam that reduces gradually of radius in the counterclockwise direction is installed in the housing, fix an end of a metallic cable on the lateral margin of the radius maximum of cam, the other end of metallic cable is fixed on the rear end that is positioned at housing of the second card arm that is the L type; The hoop driver handle also is the L type, its end have cooperate with screw on the cam fixing, and can drive the screw thread of cam clickwise, and be positioned at these screw thread both sides, that cooperate with each axis hole on the housing and the first card arm respectively, cam rotatably is fixed on the optical axis section; In addition, thus the lock ring device comprises that also one is positioned at spring housing, that an end is fixed on the housing, the rear end of the other end bias voltage second card arm can make two card arms reset.

7, according to the described open head drum lid of any one claim in the claim 1 to 6 lock ring device, it is characterized in that the free end of hoop driver handle is the screwdriver shape.