CN216455046U

CN216455046U - C-shaped arm rack

Info

Publication number: CN216455046U
Application number: CN202122966449.1U
Authority: CN
Inventors: 张禹; 胡强; 董亮; 连建国
Original assignee: Beijing Guangrui Machinery Manufacturing Co ltd
Current assignee: Beijing Guangrui Machinery Manufacturing Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-05-10
Anticipated expiration: 2031-11-29

Abstract

The application discloses C shape arm frame relates to medical equipment technical field, and its technical scheme includes: install in the supporting shoe of C shape arm bottom plate lower extreme, the supporting shoe sets up along bottom plate week side symmetry, horizontal rotation is connected with the connecting rod between two supporting shoes, the both ends of connecting rod are provided with the bracing piece, the extending direction of bracing piece is mutually perpendicular with the extending direction of connecting rod, the intermediate position fixed mounting of connecting rod has the worm wheel, the lower extreme of bottom plate is rotated and is connected with the worm that meshes mutually with the worm wheel, install drive worm pivoted driving piece on the bottom plate, the supporting shoe is kept away from the one end horizontal installation of bottom plate and is extended the piece, it is connected with the threaded rod to rotate on the extension piece, be provided with drive threaded rod pivoted drive assembly between connecting rod and the bracing piece, the threaded rod penetrates screw hole and bracing piece threaded connection, the one end that the bracing piece was kept away from to the extension piece is provided with the adjusting part of regulation bracing piece height, this application is when using, can make C shape arm in the use, reduce the phenomenon that the C shape arm appears sliding.

Description

C-shaped arm rack

Technical Field

The application relates to the technical field of medical equipment, in particular to a C-shaped arm rack.

Background

The C-shaped arm is a medical instrument, also called C-shaped arm, a C-shaped arm X-ray machine, and as the name suggests, the equipment comprises a C-shaped frame, a bulb tube for generating X-rays, an image intensifier and a CCD camera for collecting images, and a workstation for processing the images, and is mainly used for radiography, photography and other work in various operations.

The patent that current patent application number is CN 201821556845.9, a portable C shape arm X-ray production apparatus, comprising a base plate, main part case and two divisions of supports, the lower fixed surface of bottom plate installs the wheel, the last fixed surface of bottom plate installs the reference column, the bottom plate is connected between through reference column and constant head tank and main part case 7, be provided with the elongated slot around the constant head tank, the left side welding of main part case has the handle, the upper end integration of main part case is connected with the fixing base, the inside of extension connecting plate has seted up the slotted hole, the one end of two divisions of supports is connected with C shape arm frame, the upper and lower both ends of C shape arm frame all are provided with the soft layer cover, and the internally mounted that is located the soft layer cover in upper end of C shape arm frame has the image intensifier, the below of image intensifier is provided with X ray combination aircraft nose, this portable C shape arm X-ray production apparatus's removal flexibility is higher.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the wheel fixedly arranged on the lower surface of the bottom plate can slide in the use process of the C-shaped arm, and the problem needs to be further improved.

SUMMERY OF THE UTILITY MODEL

In order to improve the phenomenon that the C-shaped arm can slide in the using process, the application provides a C-shaped arm frame.

The application provides a C shape arm frame adopts following technical scheme:

a C-shaped arm frame comprises supporting blocks arranged at the lower end of a C-shaped arm bottom plate, the supporting blocks are symmetrically arranged along the periphery of the bottom plate, a connecting rod is horizontally and rotatably connected between the two supporting blocks, the two ends of the connecting rod are provided with supporting rods, the extending direction of the supporting rods is vertical to the extending direction of the connecting rod, a worm wheel is fixedly arranged in the middle of the connecting rod, the lower end of the bottom plate is rotatably connected with a worm meshed with the worm wheel, a driving piece for driving the worm to rotate is arranged on the bottom plate, an extending block is horizontally arranged at one end of the supporting block far away from the bottom plate, a threaded rod is rotatably connected on the extension block, a transmission component for driving the threaded rod to rotate is arranged between the connecting rod and the supporting rod, threaded holes are formed in the supporting rods, the threaded rods penetrate into the threaded holes to be in threaded connection with the supporting rods, and adjusting assemblies for adjusting the heights of the supporting rods are arranged at the ends, far away from the supporting rods, of the extension blocks.

Through adopting the above technical scheme, the driving piece of setting, the drive worm rotates, the worm drives the worm wheel and rotates, the worm wheel drives the connecting rod and rotates, the drive assembly who sets up can drive the threaded rod and rotate, the adjusting part who sets up, can be on threaded rod pivoted basis, the realization is to the regulation of bracing piece height, highly down the adjustment of bracing piece, can support C shape arm, the wheel of C shape arm can move up relatively, thereby can realize the bracing piece to the support of C shape arm, can improve C shape arm in the use, the phenomenon that slides probably appears.

Optionally, the drive member comprises a drive motor mounted at one end of the worm.

By adopting the technical scheme, the driving motor is started, the driving motor can drive the worm to rotate, the worm can drive the worm wheel to rotate, and the worm wheel can drive the connecting rod to rotate.

Optionally, the transmission assembly includes a first bevel gear installed at two ends of the support rod and a second bevel gear engaged with the first bevel gear, the second bevel gear is rotatably installed on the extension block, and one end of the threaded rod is fixedly connected with the second bevel gear.

Through adopting above-mentioned technical scheme, the connecting rod rotates, can drive the first bevel gear rotation at connecting rod both ends, and second bevel gear meshes with first bevel gear mutually, and second bevel gear follows first bevel gear and rotates, can make second bevel gear drive threaded rod rotate.

Optionally, the adjusting assembly comprises a sleeve mounted on the extension block, the sleeve covers the outer side of the threaded rod and the supporting rod, and a limiting part for limiting the position of the supporting rod is arranged in the sleeve.

Through adopting above-mentioned technical scheme, the sleeve that sets up can realize that the bracing piece slides in the inboard under the effect of locating part.

Optionally, a sliding groove is formed in the inner side of the sleeve, the extending direction of the sliding groove is consistent with the extending direction of the sleeve, the limiting part comprises a limiting convex block installed on the outer side of the supporting rod, and the limiting convex block is connected in the sliding groove in a sliding mode.

By adopting the technical scheme, the arranged limiting convex block can slide in the chute, and when the threaded rod rotates, the rotation of the supporting rod can be limited, so that the threaded rod drives the supporting rod to slide in the sleeve, and the height of the supporting rod is adjusted.

Optionally, two ends of the chute are arranged in a closed manner.

Through adopting above-mentioned technical scheme, the both ends of spout are the setting of remaining silent, can further carry on spacingly to the bracing piece, avoid the bracing piece to follow the slippage in the sleeve.

Optionally, one end of the support rod, which is far away from the extension block, is detachably provided with the round block.

Through adopting above-mentioned technical scheme, the circular block of installation can increase the area of contact with ground, makes the bracing piece get up the more stable support of C shape arm.

Optionally, one side of the round block, which is far away from the supporting rod, is provided with a frosting layer.

Through adopting above-mentioned technical scheme, the frosting of setting can increase the frictional force of circular block and ground, further makes the bracing piece get up the more stable support of C shape arm, reduces the condition that C shape arm appears sliding.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the driving motor is started, the driving motor drives the worm to rotate, the worm drives the worm wheel to rotate, and the worm wheel is fixedly connected and connected to the connecting rod, so that the first bevel gears at the two ends of the connecting rod can rotate, the first bevel gears can drive the second bevel gears to rotate, the second bevel gears can enable the threaded rods to drive the supporting rods to move up and down under the action of the limiting parts, and the supporting of the supporting rods on the C-shaped arm is realized;

2. the sleeve, the sliding groove and the limiting convex block are arranged, when the second bevel gear drives the threaded rod to rotate, the limiting convex block can slide in the sliding groove, and therefore the supporting rod can move up and down under the driving of the threaded rod.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic view of the overall structure under the bottom plate according to the embodiment of the present application;

fig. 3 is a schematic cross-sectional view of the interior of the sleeve according to the embodiment of the present application.

Reference numerals: 1. a base plate; 2. a support block; 21. a drive motor; 3. a connecting rod; 4. a support bar; 41. a first bevel gear; 42. a second bevel gear; 43. a sleeve; 44. a chute; 45. a limiting bump; 46. a circular block; 5. a worm gear; 6. a worm; 7. an extension block; 8. a threaded rod.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

C shape arm X-ray production machine, be provided with the frame of C type, produce the bulb of X ray, gather image intensifier and CCD camera, including bottom plate 1, main part case and two divisions of supports, fixed surface at C shape arm bottom plate 1 installs the wheel, can make things convenient for the removal of C shape arm when needing, however, after removing C shape arm to predetermined position, the gyro wheel of C shape arm bottom slides very easily, and is very unstable, consequently, in order to improve C shape arm in the use, the phenomenon that probably appears sliding, the application provides a C shape arm frame.

Referring to fig. 1 and 2, the C-arm frame disclosed in the embodiments of the present application includes support blocks 2 disposed at the lower end of a C-arm base plate 1, the support blocks 2 are symmetrically disposed along the circumferential side of the base plate 1, four support blocks 2 are disposed, the supporting blocks 2 are provided with through holes, the through holes of the two supporting blocks 2 are rotationally connected with connecting rods 3, and connecting rod 3 is the level setting, and the intermediate position fixed mounting of connecting rod 3 has worm wheel 5, and the vertical installation piece of installing of lower extreme of bottom plate 1 has seted up the mounting hole in the installation piece, and the rotation is connected with worm 6 with worm wheel 5 looks meshing in the installation piece, installs drive worm 6 pivoted driving motor 21 on the bottom plate 1, and driving motor 21's output shaft and the tip fixed connection of worm 6 start driving motor 21, and driving motor 21 rotates and can drives worm 6 and rotate, and worm 6 rotates and can drive worm wheel 5 and rotate.

In this embodiment, referring to fig. 1 and 2, an extension block 7 is horizontally installed at one end of the support block 2 far from the bottom plate 1, a first bevel gear 41 is installed at both ends of the connecting rod 3 passing through the through hole, a second bevel gear 42 is rotatably installed on the extension block 7, the second bevel gear 42 is engaged with the first bevel gear 41, and when the connecting rod 3 drives the first bevel gear 41 to rotate, the second bevel gear 42 can rotate along with the first bevel gear 41.

Referring to fig. 3, a threaded rod 8 is installed in the center of the second bevel gear 42, the extending direction of the threaded rod 8 is perpendicular to the extending direction of the connecting rod 3, one end of the threaded rod 8 is fixedly connected with the second bevel gear 42, the other end of the threaded rod 8 penetrates through the extending block 7, support rods 4 are arranged at two ends of the connecting rod 3, the extending direction of the support rods 4 is perpendicular to the extending direction of the connecting rod 3, threaded holes are formed in the inner sides of the support rods 4, the threaded rod 8 penetrates through the threaded holes of the support rods 4 to be in threaded connection with the support rods 4, when the second gear rotates, the threaded rod 8 drives the support rods 4 to rotate, in the embodiment, in order to prevent the support rods 4 from rotating, sleeves 43 are sleeved on the outer sides of the support rods 4, the extending direction of the sleeves 43 is consistent with the extending direction of the support rods 4, sliding grooves 44 are formed in the inner sides of the sleeves 43, and limiting convex blocks 45 are installed on the outer sides of the support rods 4, the limit projection 45 is slidably connected in the sliding groove 44.

When threaded rod 8 rotates, can drive bracing piece 4 and slide along sleeve 43's extending direction in sleeve 43's inboard, can realize the regulation to bracing piece 4 position, simultaneously, spacing lug 45 can slide in spout 44 to, spout 44's both ends are the setting of closing the mouth, can avoid appearing bracing piece 4 and take off from sleeve 43 internal slipping, can further play spacing effect to bracing piece 4, place the bracing piece 4 slippage.

In this embodiment, referring to fig. 3, an external thread is provided at an end of the support rod 4 away from the extension block 7, the circular block 46 is in threaded connection with an end of the support rod 4, the circular block 46 can increase a contact area with the ground, and can further support the C-shaped arm, and a frosted layer is provided at a side of the circular block 46 away from the support rod 4, so as to increase a friction force with the ground.

The implementation principle of the C-shaped arm rack in the embodiment of the application is as follows: after the C shape arm moved to predetermined position, can be with starting driving motor 21, driving motor 21 drive worm 6 rotates, worm 6 drives worm wheel 5 and rotates, worm wheel 5 can drive the both ends of connecting rod 3 and rotate, therefore, can first bevel gear 41 rotate, second bevel gear 42 meshes with first bevel gear 41, thereby can make second bevel gear 42 follow first bevel gear 41 and rotate, second bevel gear 42 drives threaded rod 8 again and rotates, threaded rod 8 pole drives bracing piece 4 again and slides along the extending direction of sleeve 43, then can realize the altitude mixture control of bracing piece 4, support C shape arm with 4 tip down adjustments of bracing piece, thereby can rise the gyro wheel, realize the support of four bracing pieces 4 to ground, reduce the gliding condition of C shape arm appearance.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A C-arm frame characterized in that: comprises supporting blocks (2) arranged at the lower end of a C-shaped arm bottom plate (1), wherein the supporting blocks (2) are symmetrically arranged along the periphery of the bottom plate (1), a connecting rod (3) is horizontally and rotatably connected between the two supporting blocks (2), supporting rods (4) are arranged at the two ends of the connecting rod (3), the extending direction of the supporting rods (4) is vertical to the extending direction of the connecting rod (3), a worm wheel (5) is fixedly arranged at the middle position of the connecting rod (3), a worm (6) meshed with the worm wheel (5) is rotatably connected at the lower end of the bottom plate (1), a driving piece for driving the worm (6) to rotate is arranged on the bottom plate (1), an extending block (7) is horizontally arranged at one end, far away from the bottom plate (1), of the supporting blocks (2) is rotatably connected with a threaded rod (8), and a transmission component for driving the threaded rod (8) to rotate is arranged between the connecting rod (3) and the supporting rods (4), threaded holes are formed in the supporting rods (4), the threaded rods (8) penetrate into the threaded holes to be connected with the supporting rods (4) in a threaded mode, and the end, away from the supporting rods (4), of the extending block (7) is provided with an adjusting assembly for adjusting the height of the supporting rods (4).

2. A C-arm stand according to claim 1 wherein: the driving piece comprises a driving motor (21) arranged at one end of the worm (6).

3. A C-arm stand according to claim 1 wherein: the transmission assembly comprises first bevel gears (41) arranged at two ends of the supporting rod (4) and second bevel gears (42) meshed with the first bevel gears (41), the second bevel gears (42) are rotatably arranged on the extension blocks (7), and one ends of the threaded rods (8) are fixedly connected with the second bevel gears (42).

4. A C-arm stand according to claim 1 wherein: the adjusting component comprises a sleeve (43) is installed on the extension block (7), the sleeve (43) covers the outer side of the threaded rod (8) and the supporting rod (4), and a limiting part for limiting the position of the supporting rod (4) is arranged in the sleeve (43).

5. A C-arm stand according to claim 4, wherein: the utility model discloses a bracing piece, including sleeve (43), locating piece, bracing piece, slide connection in spout (44), spout (44) have been seted up to sleeve (43) inboard, the extending direction of spout (44) is unanimous with the extending direction of sleeve (43), the locating piece is including installing spacing lug (45) in the bracing piece (4) outside, the sliding connection of spacing lug (45) is in spout (44).

6. A C-arm stand according to claim 5, wherein: the two ends of the sliding groove (44) are arranged in a closed manner.

7. A C-arm stand according to claim 1 wherein: one end of the support rod (4) far away from the extension block (7) is detachably provided with a round block (46).

8. A C-arm stand according to claim 7 wherein: and a frosting layer is arranged on one side, away from the support rod (4), of the round block (46).