CN206918946U - Counter-jib - Google Patents

Abstract

A kind of counter-jib is the utility model is related to, including：Fixed seat, first rotating shaft and the second rotating shaft are arranged at intervals in the fixed seat, the first connection position and the second connection position are also set up in the fixed seat；Sleeve pipe, the first end of described sleeve pipe are rotatablely connected by the first rotating shaft and the fixed seat, fixed setting spacing ring in described sleeve pipe；Balancing pole and pull bar, the balancing pole are arranged in described sleeve pipe and are rotatablely connected through spacing ring and pull bar, and the pull bar passes the first end of described sleeve pipe and is rotatablely connected by the second rotating shaft and the fixed seat；And adapter, it is fixedly connected with fixed seat, the adapter is provided with the cooperation position for being used for being connected with the first or second connection position.The utility model in fixed seat by setting more than one connection position, optionally it is connected with the cooperation position on adapter, it can make adapter that there is different placing directions, thus be applicable to different mounting means, improve the flexible Application of counter-jib.

Description

Counter-jib

Technical field

Technical field of medical equipment is the utility model is related to, more particularly to a kind of counter-jib.

Background technology

Counter-jib is widely used in the Medical Devices such as operating lamp, operating lamp is moved within the specific limits and in any position Put holding balance.The existing installation side being erected at by counter-jib on the support member of the types such as mobile lamp stand of existing operating lamp Formula, also there is the mounting means being suspended on by counter-jib on the support member of the types such as tower crane, suspension bridge or wall extension.Two kinds of mounting means The middle counter-jib used causes counter-jib general, same counter-jib can not because the orientation, the direction that are connected from support member are different It is flexibly applied in different types of mounting means.

Utility model content

Based on this, the utility model aims to provide a kind of counter-jib, and it, which can be switched fast, is applied to different mounting means In, to lift the compatibility of counter-jib.

A kind of counter-jib, including：

Fixed seat, first rotating shaft and the second rotating shaft are arranged at intervals in the fixed seat, first is also set up in the fixed seat Connection position and the second connection position；

Sleeve pipe, the first end of described sleeve pipe is rotatablely connected by the first rotating shaft and the fixed seat, in described sleeve pipe Spacing ring is fixedly installed；

Balancing pole and pull bar, the balancing pole are arranged in described sleeve pipe and are rotatablely connected through spacing ring and pull bar, institute Pull bar is stated to pass the first end of described sleeve pipe and be rotatablely connected by the second rotating shaft and the fixed seat；And

Adapter, it is fixedly connected with fixed seat, the adapter, which is provided with, coordinates position, wherein, the cooperation position and first When connection position is connected, and when the cooperation position and the mating connection of the second connection position, the placing direction of the adapter is different.

In one of the embodiments, the first connection position and the second connection position are centrosymmetric on first rotating shaft.

In one of the embodiments, the first connection position and the second connection position are in axle pair on the plumb line for crossing first rotating shaft Claim.

In one of the embodiments, the balancing pole includes rod member and spring, and the first end of the spring is fixed on institute State in the first end of rod member, the second end of the rod member passes through the spacing ring, and the second end of the spring is connected to the limit On the ring of position；The first end of the pull bar and the second end of the rod member are rotatablely connected, and the second end of the pull bar passes the set Manage and be rotatablely connected by the second rotating shaft and the fixed seat.

In one of the embodiments, rotated in the fixed seat and fix bar is set, be connected and adjust in the fix bar Seat is saved, second rotating shaft is located in adjustment seat, is used to drive adjustment seat to translate by rotating fix bar, and then can change Position of second rotating shaft with respect to first rotating shaft.

In one of the embodiments, the fixed seat includes spaced bottom plate and top plate, and is connected to bottom plate Two side plates between top plate, the axis hole worn for first rotating shaft is set on the side plate, and worn for the second rotating shaft Elongated hole, between the bottom panel and top panel, first connection position is arranged on two side plates simultaneously, institute for the fix bar rotation connection State the second connection position also while be arranged on two side plates.

In one of the embodiments, the both ends of the fix bar are exposed on the outside of bottom plate and top plate respectively, the fixation The both ends of bar are provided with regulating part.

In one of the embodiments, the adapter includes the adapter being connected with fixed seat, and connects with adapter The Coupling Shaft connect, the adapter selectivity connect with the first connection position in the fixed seat and the second connection position alternative one When connecing, the direction of the Coupling Shaft is different.

In one of the embodiments, the fixed seat includes spaced bottom plate and top plate, and is connected to bottom plate Two side plates between top plate, the axis hole worn for first rotating shaft is set on the side plate, and worn for the second rotating shaft Axis hole, between the bottom panel and top panel, first connection position is arranged on two side plates simultaneously, institute for the fix bar rotation connection State the second connection position also while be arranged on two side plates；The adapter includes two pinboards, and the cooperation position is arranged on On two pinboards, two pinboards are respectively on the outside of two side plates of fixed seat.

In one of the embodiments, two Decorative shells are also set up on the adapter, Decorative shell is respectively placed in adapter Two opposite sides with sandwiched adapter.

Above-mentioned counter-jib sets more than one connection position in fixed seat, optionally matches somebody with somebody with the cooperation position on adapter Connection is closed, can make adapter that there is different placing directions, thus is applicable to different mounting means, improves counter-jib Flexible Application.

Brief description of the drawings

Fig. 1 is the surface structure schematic diagram for the counter-jib that the embodiment of the utility model one provides.

Fig. 2 is the schematic cross-sectional view of counter-jib shown in Fig. 1.

Fig. 3 is that counter-jib shown in Fig. 1 removes the surface structure schematic diagram after adapter.

Fig. 4 is Fig. 3 schematic cross-sectional view.

Fig. 5 is the enlarged diagram of part-structure in Fig. 4.

Fig. 6 is the structural representation of the adapter in the counter-jib that the embodiment of the utility model one provides.

Fig. 7 is the structural representation under another mounting means of counter-jib shown in Fig. 1.

Fig. 8 and Fig. 9 is respectively the different application schematic diagram for the counter-jib that the embodiment of the utility model one provides.

Embodiment

A kind of counter-jib that the embodiment of the utility model one provides, for being connected to load and support member, makes load can When being elapsed (such as push pull maneuver of human hand) by external force, relative support shift position, and load can be made when external force eliminates It is fixed at an arbitrary position to retain with gravitational equilibrium.The load can be the medicine equipments such as operating lamp, the support member Can be the support members such as tower crane formula, suspension bridge type, wall-hung type or mobile lamp post type.

With reference to figure 1, Fig. 2 and Fig. 3, the counter-jib includes fixed seat 10, sleeve pipe 20, balancing pole 30, pull bar 40, mounting seat 50 and adapter 60.The adapter 60 is fixedly connected with the fixed seat 10, and the adapter 60 is used to be connected with support member. One end of described sleeve pipe 20 is rotatablely connected with fixed seat 10, and the mounting seat 50 is set on the other end of described sleeve pipe 20.It is described Mounting seat 50 is used to set load.By setting the balancing pole 30, the pull bar 40 that are mutually rotatablely connected in sleeve pipe 20, and further Make pull bar 40 be formed with fixed seat 10 to be rotatablely connected, the elastic force of balancing pole 30 can be made to be relatively fixed the rotatory force that seat 10 is formed Square (hereinafter referred to as trimming moment), it is flat to be relatively fixed the rotating torque (hereinafter referred to as gravity torque) that seat formed with the gravity of load Weighing apparatus, so that load may remain in optional position.

As shown in Figures 2 and 3, the rotating shaft 12 of first rotating shaft 11 and second is arranged at intervals in the fixed seat 10.First turn Axle 11 can be relatively fixed seat 10 around first rotating shaft 11 and rotate as sleeve pipe 20 and the connecting shaft of fixed seat 10, sleeve pipe 20.Second turn Axle 12 is located at the top of first rotating shaft 11 on gravity direction.In one embodiment, the rotating shaft 12 of first rotating shaft 11 and second is same In vertical guide.Second rotating shaft 12 can be relatively fixed as pull bar 40 and the connecting shaft of fixed seat 10, pull bar 40 around the second rotating shaft 12 Seat 10 rotates.Wherein, pull bar 40, balancing pole 30 (include sleeve pipe around trimming moment caused by fixed seat 10 for balancing sleeve 20 The gravity of gravity itself and the load in mounting seat 50) around gravity torque caused by fixed seat 10.

In one embodiment, the fixed seat 10 includes spaced bottom plate 101 and top plate 102, and is connected to bottom plate Two side plates 103 between 101 and top plate 102, the axis hole 110 worn for first rotating shaft 11 is set on the side plate 103, and The axis hole 120 worn for the second rotating shaft 12.

Further, it is elongated hole for the axis hole 120 that the second rotating shaft 12 is worn, can makes the second rotating shaft 12 by a governor motion Moved in elongated hole, and then change the position of 12 relative first rotating shaft 11 of the second rotating shaft.By changing the position of the second rotating shaft 12, Trimming moment size caused by the first rotating shaft 11 of pull bar 40, balancing pole 30 in fixed seat 10 can be changed, so as to be suitable for In the load of balance different size.As shown in Figures 4 and 5, the governor motion includes being rotatably arranged in fixed seat 10 Fix bar 13, and the adjustment seat 14 in fix bar 13 that is connected, second rotating shaft 12 are located in adjustment seat 14.It is logical Rotation fix bar 13 is crossed, adjustment seat 14 can be driven to translate, and then the position of 12 relative first rotating shaft 11 of the second rotating shaft can be changed Put.Specifically, the fix bar 13 is rotatably connected between bottom plate 101 and top plate 102.The fix bar 13 can be a spiral shell Bar, the screwed hole being engaged is set in the adjustment seat 14, when rotating fixing rod 13, because wearing the second rotating shaft of adjustment seat 14 12 are limited to the shape that axis hole 120 is rendered as elongated hole, and the rotating shaft 12 of adjustment seat 14 and second can only be put down along the bearing of trend of elongated hole Move, so as to change the distance between rotating shaft 12 of first rotating shaft 11 and second.

The utility model makes fix bar 13 be formed with adjustment seat 14 and is connected by rotating fix bar 13, without adopting Changed with other connector to reach the position of the second rotating shaft 12 in adjustment seat 14 and adjustment seat 14, it is small-sized to be advantageous to structure Change, avoid the volume of fixed seat 10 larger.

In some embodiments, at least one end of fix bar 13 is provided with regulating part 15, and further, regulating part 15 can be set Put at the both ends of fix bar 13.Regulating part 15 can be hexagonal socket nut etc., or can also be on the end of fix bar 13 Directly processing forms the e.g. adjustment structure such as hexagonal socket nut or cross, flat recess.By instruments such as spanners to regulating part 15 Operated, can easily rotate fix bar 13.As shown in Figure 5, the rotation of different directions is carried out to regulating part 15, i.e., Fix bar 13 can be driven to rotate, thus lifting of the adjustment seat 14 in fixed seat 10 can be realized, finally realize the second rotating shaft 12 with The adjustment of the distance between first rotating shaft 11.

As shown in figs. 2 and 4, described sleeve pipe 20 includes first end 21 and the second relative end 22, described sleeve pipe 20 First end 21 is rotatablely connected by the first rotating shaft 11 and the fixed seat 10, and institute is socketed on the second end 22 of described sleeve pipe 20 State mounting seat 50.Fixed setting spacing ring 23, spacing ring 23 are located between the end 22 of first end 21 and second in described sleeve pipe 20, limit Position the distance between ring 23 and first end 21 are less than the distance between end 22 of spacing ring 23 and second.The modes such as welding can be utilized Spacing ring 23 is fixed on the internal face of sleeve pipe 20.Spacing ring 23 can also be and 20 integrally formed structure of sleeve pipe.

The balancing pole 30 is arranged in described sleeve pipe 20.The balancing pole 30 includes rod member 31 and spring 32.The bar Part 31 can be round bar shape or circular tube shaped, or have other cross sectional shapes.In one embodiment, set in rod member 31 Passage, it is available for the devices such as the cable of load to pass through.The rod member 31 includes first end 310 and the second relative end 312, wherein, When rod member 31 is arranged in sleeve pipe 20, the first end 310 of rod member 31 is close to the second end 22 of sleeve pipe 20, the second end of rod member 31 312 close to sleeve pipe 20 first end 21.The spring 32 can be coil spring.The spring 32 includes relative first end 320 and second end 322, the first end 320 of the spring 32 be fixed in the first end 310 of the rod member 31, such as can be It is threaded in the first end 310 of rod member 31, nut 323 is set in the first end 320 of spring 32, nut 323 is screwed on bar In the first end 310 of part 31.Second end 312 of the rod member 31 passes through the spacing ring 23, and makes the second of the spring 32 End 322 is connected on the spacing ring 23.

The pull bar 40 includes the relative end 42 of first end 41 and second.The first end 41 of the pull bar 40 and the rod member 31 the second end 312 is rotatablely connected, such as can be opened up in the first end 41 of pull bar 40 and the second end 312 of the rod member 31 Through hole, through hole is worn by a rotating shaft 43 and forms rotation connection.Second end 42 of the pull bar 40 passes described sleeve pipe 20 and led to The second rotating shaft 12 is crossed to be rotatablely connected with the fixed seat 10.

As shown in Figure 2, can be because of gravity when the mounting seat 50 on the second end 22 for being connected to sleeve pipe 20 is provided with load Produce along clockwise direction around the gravity torque of first rotating shaft 11.And due to there is provided pull bar 40 and balancing pole 30, spring 32 Compression can push spacing ring 23 towards the first extreme direction of sleeve pipe 20, and then power is transferred into pull bar 40, and pull bar 40 can be towards sleeve pipe 20 The direction of first end 21 pull rod member 31, and produce in the counterclockwise direction around the trimming moment of first rotating shaft 11.By to spring The reasonable setting of the parameters such as the distance between 32 coefficient of elasticity, decrement and the rotating shaft 12 of first rotating shaft 11 and second, can make Trimming moment offsets gravity torque, so that load reaches gravitational equilibrium at an arbitrary position.When needing to move load, above move down After dynamic sleeve pipe 20, gravity torque changes because of the change of the arm of force, and at the same time the decrement of spring 32 can also change, Change and can still be offset with gravity torque so that trimming moment also follows, thus load still can keep gravitational equilibrium.

As shown in Fig. 1, Fig. 3 and Fig. 6, the first connection position 16 and the second connection position 17, institute are set in the fixed seat 10 State adapter 60 and be provided with and coordinate position 600, by fastener, such as screw or pin etc., selection wears first in fixed seat 10 Adapter 60, can be fixed in fixed seat 10 by the connection position 17 of connection position 16 or second, and the cooperation position 600 on adapter 60. Wherein, when the cooperation connection position 16 of position 600 and first is connected, and the cooperation position 600 coordinates with the second connection position 17 During connection, the placing direction of the adapter 60 is different.For example, as shown in fig. 1 with shown in Fig. 7, respectively be coordinate position 600 Be connected with the first connection position 16 and it is described cooperation the connection position 17 of position 600 and second mating connection when, adapter 60 is put State.

As shown in fig. 6, the adapter 60 includes the adapter 61 being connected with fixed seat 10, and it is connected with adapter 61 Coupling Shaft 62.The Coupling Shaft 62 is used to be connected with support member.The adapter 61 includes two pinboards 610, and two turn Fishplate bar 610 is respectively outside two side plates 103 of fixed seat 10, i.e., fixed seat 10 is interposed in centre by pinboard 610.It is described to match somebody with somebody Position 600 is closed to be arranged on two pinboards 610.As shown in Figure 3, first connection position 16 is arranged on two side plates simultaneously On 103, second connection position 17 is also arranged on two side plates 103 simultaneously.

In one specific embodiment, the cooperation position 600, the first connection position 16, the second connection position 17 are through hole, Mei Gezhuan Four through holes are set on fishplate bar 610, four corresponding through holes are also provided with each side plate 103.The fastener include screw rod and Nut, screw rod is through one coordinated in position 600, and the first connection position 16, both the second connection positions 17, then with nut locking screw Bar both ends can be fixedly connected with adapter 60 and fixed seat 10.In some other embodiments, the cooperation position 600 also can be direct Using the form of screwed hole.

First connection position 16 and the second connection position 17 are centrosymmetric on first rotating shaft 11, i.e. the first connection position 16 is around After one rotating shaft 11 rotation 180 degree, overlapped with the second connection position 17.Set in the embodiment, on each side plate 103 four it is shared Through hole., can be as shown in figure 1, the court of Coupling Shaft 62 by adapter 60 when fixing the load such as operating lamp from suspension mounting means On, and the cooperation position 600 on adapter 61 is connected with the first connection position 16 in fixed seat 10；When from upright installation When mode fixes the load such as operating lamp, by the Coupling Shaft 62 of adapter 60 down, and it can make as shown in Figure 7 on adapter 61 Cooperation position 600 be connected with the second connection position 17 in fixed seat 10.

In certain embodiments, the first connection position 16 and the second connection position 17 can also be on the plumb lines of first rotating shaft 11 excessively Axisymmetricly.In embodiment shown in Fig. 3, four through holes being set on each side plate 103 are in center pair on first rotating shaft 11 Claim arrangement, while also axisymmetricly arranged on crossing the plumb line of first rotating shaft 11.

Fig. 8 and Fig. 9 shows two kinds of practical application scenes of the counter-jib of the embodiment of the utility model one.It is described in Fig. 8 The adapter 60 of counter-jib is rotatablely connected with a suspension type support member 70, and the mounting seat 50 of the counter-jib connects an operating lamp 80, in particular it is connected with the C arms of operating lamp 90.Wherein, counter-jib uses connected mode as shown in Figure 1, i.e. adapter 60 Coupling Shaft 62 upward, and the cooperation position 600 on adapter 61 is connected with the first connection position 16 in fixed seat 10.

In Fig. 9, the adapter 60 of the counter-jib is rotatablely connected with vertical lamp stand 90 always, the mounting seat of the counter-jib 50 one operating lamps 80 of connection, are in particular connected with the C arms of operating lamp 90.Wherein, counter-jib uses connection side as shown in Figure 7 The Coupling Shaft 62 of formula, i.e. adapter 60 down, and coordinates position 600 and the second connection position in fixed seat 10 on adapter 61 17 are connected.

Further, as shown in figs. 8 and 9, two Decorative shells 63, Decorative shell 63 also can be set on the adapter 60 The two opposite sides of adapter 61 are respectively placed in, for sandwiched adapter 61.The Decorative shell 63 of two opposite sides is carried out to adapter 61 Parcel, the outward appearance that can present adapter 60 are more clean and tidy, beautiful.

By setting more than one connection position in fixed seat, optionally coordinate with the cooperation position on adapter and connect Connect, can make adapter that there is different placing directions, thus be applicable to different mounting means, improve the flexible of counter-jib Application.

Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, the scope that this specification is recorded all is considered to be.

Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed, But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (10)

1. A kind of 1. counter-jib, it is characterised in that including：

   Fixed seat, first rotating shaft and the second rotating shaft are arranged at intervals in the fixed seat, the first connection is also set up in the fixed seat Position and the second connection position；

   Sleeve pipe, the first end of described sleeve pipe is rotatablely connected by the first rotating shaft and the fixed seat, fixed in described sleeve pipe Spacing ring is set；

   Balancing pole and pull bar, the balancing pole are arranged in described sleeve pipe and are rotatablely connected through spacing ring and pull bar, the drawing Bar passes the first end of described sleeve pipe and is rotatablely connected by the second rotating shaft and the fixed seat；And

   Adapter, it is fixedly connected with fixed seat, the adapter, which is provided with, coordinates position, wherein, the cooperation position is connected with first When position is connected, and when the cooperation position and the mating connection of the second connection position, the placing direction of the adapter is different.
2. 2. counter-jib according to claim 1, it is characterised in that the first connection position and the second connection position are on first rotating shaft It is centrosymmetric.
3. 3. counter-jib according to claim 1, it is characterised in that the first connection position and the second connection position are on crossing first turn The plumb line of axle is axisymmetricly.
4. 4. counter-jib according to claim 1, it is characterised in that the balancing pole includes rod member and spring, the spring First end be fixed in the first end of the rod member, the second end of the rod member passes through the spacing ring, the of the spring Two ends are connected on the spacing ring；The first end of the pull bar and the second end of the rod member are rotatablely connected, the pull bar Second end passes described sleeve pipe and is rotatablely connected by the second rotating shaft and the fixed seat.
5. 5. counter-jib according to claim 1, it is characterised in that rotated in the fixed seat and fix bar is set, it is described solid Be connected adjustment seat in fixed pole, and second rotating shaft is located in adjustment seat, is used to drive adjustment seat by rotating fix bar Translation, and then position of second rotating shaft with respect to first rotating shaft can be changed.
6. 6. counter-jib according to claim 5, it is characterised in that the fixed seat includes spaced bottom plate and top Plate, and two side plates between the bottom panel and top panel are connected, the axis hole worn for first rotating shaft is set on the side plate, and The elongated hole worn for the second rotating shaft, between the bottom panel and top panel, first connection position is set simultaneously for the fix bar rotation connection Put on two side plates, second connection position is also arranged on two side plates simultaneously.
7. 7. counter-jib according to claim 5, it is characterised in that expose respectively in bottom plate and top at the both ends of the fix bar On the outside of plate, the both ends of the fix bar are provided with regulating part.
8. 8. counter-jib according to claim 1, it is characterised in that the adapter includes the switching being connected with fixed seat Head, and the Coupling Shaft being connected with adapter, adapter selectivity with the first connection position in the fixed seat and the When two connection position alternative one connect, the direction of the Coupling Shaft is different.
9. 9. counter-jib according to claim 8, it is characterised in that the fixed seat includes spaced bottom plate and top Plate, and two side plates between the bottom panel and top panel are connected, the axis hole worn for first rotating shaft is set on the side plate, and The axis hole worn for the second rotating shaft, between the bottom panel and top panel, first connection position is set simultaneously for the fix bar rotation connection Put on two side plates, second connection position is also arranged on two side plates simultaneously；The adapter includes two pinboards, The cooperation position is arranged on two pinboards, and two pinboards are respectively on the outside of two side plates of fixed seat.
10. 10. counter-jib according to claim 8, it is characterised in that two Decorative shells are also set up on the adapter, are decorated Shell is respectively placed in the two opposite sides of adapter with sandwiched adapter.