CN219987532U

CN219987532U - Fastening tool for CT bulb tube high-pressure flange

Info

Publication number: CN219987532U
Application number: CN202321727698.8U
Authority: CN
Inventors: 杨理; 邵正虎; 刘猛
Original assignee: Suzhou Boying Medical Technology Co ltd
Current assignee: Suzhou Boying Medical Technology Co ltd
Priority date: 2023-07-04
Filing date: 2023-07-04
Publication date: 2023-11-10
Anticipated expiration: 2033-07-04

Abstract

The utility model discloses a fastening tool for a CT bulb high-pressure flange, which comprises: at least two types of torque handles, each torque handle having a torque range, and each torque handle having a torque range different; the adapter is arranged on one of the at least two types of torsion handles along the length direction and comprises an adapter and a connecting rod, one end of the connecting rod is fixed on the adapter, and the other end of the connecting rod is detachably connected with the torsion handle; one end of the operation head is fixed on the adapter and positioned on one side of the torsion handle, the other end of the operation head is provided with at least two clamping pins, the clamping pins are used for being embedded into corresponding hole grooves on the target flange, and the cross sections of the operation head and the adapter are ring-shaped with the same shape and size. The utility model can be suitable for operating in a narrow space through the high-voltage cable and the heat dissipation oil pipe which are arranged on the target flange on the CT machine, and can select proper output torque according to the screwing torque requirement of the target flange, thereby ensuring the use safety of the CT machine.

Description

Fastening tool for CT bulb tube high-pressure flange

Technical Field

The utility model relates to the technical field of production tools, in particular to a fastening tool for a CT bulb high-pressure flange.

Background

The usual high pressure flange mounting tools are usually selected from manual tightening operations or tightening with a belt wrench. The manual screwing operation is different from person to person, and the torque force is inconsistent. The belt wrench is limited by the space for installing the bulb tube of the CT machine, is inconvenient to operate and has insufficient fastening force. Both screwing modes are difficult to achieve the torque force required by the CT machine under the rotating working condition, and the torque force cannot be regulated and controlled. If the torsion when the high-pressure flange is screwed does not meet the standard requirement, the high-pressure flange is easy to shake and loosen under the working condition of rotation and vibration, so that safety accidents occur.

Therefore, it is necessary to design a fastening tool for a high-pressure flange of a CT bulb, which can regulate the torque value of screwing and is not limited by the space for installing the bulb of the CT machine.

Disclosure of Invention

The utility model aims to provide a fastening tool for a CT bulb tube high-pressure flange, which solves the problems that the torque force of a high-pressure flange mounting tool in the prior art cannot be regulated and controlled, and the operation is inconvenient because the torque force is limited by the space for mounting a bulb tube of a CT machine.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a fastening tool for a CT bulb high pressure flange, comprising:

at least two types of torque handles, each of the torque handles having a torque range, and each of the torque handles having a torque range different;

the adapter piece is arranged on one of the at least two types of torsion handles along the length direction and comprises an adapter and a connecting rod, one end of the connecting rod is fixed on the adapter, and the other end of the connecting rod is detachably connected with the torsion handle; and

the operation head, one end is fixed on the adapter and is located one side of torsion handle, the other end of operation head is provided with two at least joint pins, the joint pin is used for embedding in the corresponding hole inslot on the target flange, the operation head with the cross section of adapter is the ring-shaped of same shape and size.

Further, the connecting rod is in plug-in connection with the torsion handle, a plug-in structure is arranged between the connecting rod and the torsion handle and comprises a plug-in groove and a plug-in block inserted into the plug-in groove, the plug-in groove is in clearance fit with the plug-in block, one of the plug-in grooves and the plug-in block is arranged on the connecting rod, and the other plug-in groove and the other plug-in block are arranged on the torsion handle.

Further, a clamping structure is arranged between the plug groove and the plug block, and the clamping structure is used for limiting the plug block and the plug groove to be separated in the length direction of the torsion handle;

the clamping structure comprises a clamping groove and clamping blocks inserted into the clamping groove, one of the clamping grooves and the clamping blocks is arranged on the inner wall of the inserting groove, the other clamping groove is arranged on the inserting block, and the clamping groove is in interference fit with the clamping blocks.

Further, the clamping structure further comprises a collar sleeved on the outer side of the plug-in structure, the collar simultaneously covers at least part of the connecting rod and at least part of the torsion handle, and the collar is used for limiting the plug-in block and the plug-in groove to shake relatively in the radial direction.

Further, the outer diameter of the operating head is the same as the outer diameter of the target flange.

Further, the adapter is connected with the operation head through a threaded fastener, the adapter and the operation head are provided with mounting holes matched with the threaded fastener, and threaded fastening glue is smeared between the threaded fastener and the mounting holes.

Further, the number of the threaded fasteners is three, and the three threaded fasteners are installed on the adapter at equal intervals along the circumferential direction.

Further, the clamping pin is in interference fit with the hole groove.

Further, the clamping pin is in threaded connection with the operation head, a plurality of threaded holes for installing the clamping pin are formed in the operation head along the circumferential direction, a threaded section matched with the threaded holes is formed in one end of the clamping pin, and a threaded fastening adhesive is smeared between the threaded section and the corresponding threaded hole.

Further, the adaptor and the operating head are made of carbon steel.

Due to the application of the technical scheme, the utility model has the following beneficial effects compared with the prior art:

(1) The cross sections of the operation head and the adapter are ring-shaped with the same shape and size, so that the operation head and the adapter are suitable for passing through a high-voltage cable and a heat dissipation oil pipe which are arranged on a target flange on a CT machine, so that the space limitation of the high-voltage cable and the heat dissipation oil pipe to the fastening tool during use is avoided, and the operation in a narrow space is suitable for being operated conveniently;

(2) The fastening tool disclosed by the utility model consists of an adapter, a torsion handle and an operation head, wherein the adapter is detachably connected with the torsion handle, the torsion handle is provided with at least two types, each torsion handle has a torsion range, and the torsion range of each torsion handle is different, so that the fastening tool disclosed by the utility model can select and adjust a proper torsion output value according to the screwing torsion requirement of a target flange, further the screwing requirement of the target flange is met, and the subsequent use safety of a CT machine is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic top view of a fastening tool according to an embodiment of the present utility model;

fig. 2 is a schematic diagram of an exploded structure of the adaptor and the operation head after assembly.

Reference numerals illustrate:

1-a torsion handle; 2-an adapter; 21-adapter; 22-connecting rod; 3-an operation head; 4-a plug block; 5-clamping grooves; 6-collar; 7-clamping pins; 8-a threaded fastener; 9-mounting holes.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the utility model herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Referring to fig. 1 and 2, an embodiment of the present utility model provides a fastening tool for a CT bulb high pressure flange, which includes at least two types of torsion handles 1, an adapter 2 provided on one of the at least two types of torsion handles 1 in a length direction, and an operating head 3 mounted on the adapter 2. Wherein each torsion handle 1 has a torsion range, and the torsion range of each torsion handle 1 is different. In this embodiment, both the adaptor 2 and the operating head 3 are made of carbon steel, and the cost is low. The longitudinal direction is indicated by arrow a in fig. 1.

The torsion handle 1 is also called a torsion meter and a torsion screw driver. It is designed according to the bending principle of the beam, the bending principle of the torsion bar and the compression principle of the spiral spring, and is generally composed of a pressure spring (not shown), a torque release joint (not shown) and a torque ejector rod (not shown). The torque handle 1 can preset a required torque value, namely, a pressure spring is sleeved on the ejector rod to press the torque release joint, when a screwing target reaches the preset torque value in the screwing process, namely, when the torque is larger than the pressure of the spring, an instant disjointing effect is generated, and joint knocking is sent out at the instant of generating the disjointing effect, so that an operator is reminded. In the prior art, a detailed description is omitted herein.

The adapter 2 comprises an adapter 21 and a connecting rod 22 with one end fixed on the adapter 21, and the other end of the connecting rod 22 is detachably connected with the torsion handle 1. In this embodiment, the connecting rod 22 is connected with the torsion handle 1 in a plugging manner, a plugging structure is arranged between the connecting rod 22 and the torsion handle 1, the plugging structure comprises a plugging groove (not shown) and a plugging block 4 inserted into the plugging groove, the plugging groove and the plugging block 4 are in clearance fit, one of the plugging groove and the plugging block 4 is arranged on the connecting rod 22, and the other is arranged on the torsion handle 1. Specifically, the inserting groove is disposed on the torsion handle 1, and the inserting block is disposed on the connecting rod 22, which is true, and in other embodiments, the connecting rod 22 and the torsion handle 1 may be disposed in a snap connection or a threaded connection, which is a conventional arrangement, and is not illustrated herein.

In order to prevent the adaptor 2 and the torsion handle 1 from loosening in the screwing process to affect the use, a clamping structure is arranged between the inserting groove and the inserting block, and the clamping structure is used for limiting the inserting block 4 and the inserting groove to separate in the length direction of the torsion handle 1. In this embodiment, the fastening structure includes a clamping groove 5 and a clamping block inserted into the clamping groove 5, one of the clamping groove 5 and the clamping block is disposed on an inner wall of the inserting groove, the other is disposed on the inserting block 4, and the clamping groove 5 and the clamping block are in interference fit. Specifically, draw-in groove 5 sets up on grafting piece 4, and the fixture block setting is on the inner wall of grafting groove. The shape of the clamping block may be hemispherical, rectangular, or trapezoidal, and the shape of the clamping groove 5 is adapted to the shape of the clamping block, which is not particularly limited herein.

In order to further improve the stability of the adaptor 2 after being assembled with the torsion handle 1, the fastening structure further comprises a collar 6 sleeved on the outer side of the plugging structure, the collar 6 simultaneously covers at least part of the connecting rod 22 and at least part of the torsion handle 1, and the collar is used for limiting the plugging block 4 and the plugging groove to shake relatively in the radial direction.

One end of the operation head 3 is fixed on the adapter 21 and is positioned at one side of the torsion handle 1, at least two clamping pins 7 are arranged at the other end of the operation head 3, the clamping pins 7 are used for being embedded into corresponding hole grooves on a target flange (not shown), and the cross sections of the operation head 3 and the adapter 21 are ring-shaped with the same shape and size. Wherein, the clamping pin 7 is in interference fit with the hole groove. In this embodiment, the outer diameter of the operating head 3 is the same as the outer diameter of the target flange, so that no additional operating space is occupied, and the operability of the fastening tool is further improved.

In this embodiment, the adapter 21 is connected to the operation head 3 through a threaded fastener 8, mounting holes 9 adapted to the threaded fastener 8 are provided on the adapter 21 and the operation head 3, and a threaded fastening glue (not shown) is applied between the threaded fastener 8 and the mounting holes 9. Specifically, the number of the threaded fasteners 8 is three, and the three threaded fasteners 8 are mounted on the adapter 21 at equal intervals in the circumferential direction. The threaded fastener 8 is specifically a national standard screw GB_T 70.1M6 ×20, grade 12.9. Indeed, in other embodiments, the number of threaded fasteners 8 may be set to 2 or 4, the utility model is not limited thereto, and the type of threaded fasteners 8 may be replaced by other types of screws, which are sufficient to screw the adapter 21 to the operating head 3.

In order to adapt to the hole-slot distances of different flanges, in this embodiment, the clamping pin 7 is in threaded connection with the operation head 3, a plurality of threaded holes (not shown) for installing the clamping pin 7 are circumferentially arranged on the operation head 3, one end of the clamping pin 7 is provided with a threaded section (not shown) matched with the threaded holes, a threaded fastening glue (not shown) is smeared between the threaded section and the corresponding threaded hole, and the clamping pin 7 is made of stainless steel so as to ensure the strength when being matched with the target flange. Indeed, in other embodiments, the locking pin 7 and the operating head 3 may be in a plug-in connection and be glued by screw fastening, and the locking pin 7 may be a national standard pin gb_t119.24x10-C1. The processing of the structure of each part of the fastening tool can be completed through common wire cutting, a lathe, a milling machine and a drilling machine, and the material cost and the processing cost are low.

Finally, it should be noted that the foregoing description is only a preferred embodiment of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof, and any modifications, equivalents, improvements or changes thereof may be made without departing from the spirit and principle of the present utility model.

Claims

1. A fastening tool for a CT bulb high pressure flange, comprising:

2. The fastening tool for a CT bulb high-pressure flange according to claim 1, wherein the connecting rod is in plug connection with the torsion handle, a plug structure is arranged between the connecting rod and the torsion handle, the plug structure comprises a plug groove and a plug block inserted into the plug groove, the plug groove and the plug block are in clearance fit, one of the plug groove and the plug block is arranged on the connecting rod, and the other is arranged on the torsion handle.

3. The fastening tool for a CT bulb high-pressure flange according to claim 2, wherein a clamping structure is provided between the insertion groove and the insertion block, the clamping structure being used for limiting the separation of the insertion block and the insertion groove in the length direction of the torsion handle;

4. A fastening tool for a CT bulb high pressure flange according to claim 3, wherein the clamping structure further comprises a collar sleeved outside the plugging structure, the collar simultaneously covers at least part of the connecting rod and at least part of the torsion handle, and the collar is used for limiting the plugging block and the plugging groove from relatively shaking in a radial direction.

5. A fastening tool for a CT bulb high pressure flange as in claim 1, wherein the operating head has an outer diameter that is the same as the outer diameter of the target flange.

6. The fastening tool for a high-pressure flange of a CT bulb according to claim 1, wherein the adapter is connected with the operating head through a threaded fastener, mounting holes matched with the threaded fastener are formed in the adapter and the operating head, and a threaded fastening glue is smeared between the threaded fastener and the mounting holes.

7. A fastening tool for a CT bulb high pressure flange according to claim 6, wherein the number of threaded fasteners is three, and three of the threaded fasteners are mounted on the adapter at equal intervals in the circumferential direction.

8. A fastening tool for a CT bulb high pressure flange according to claim 1, wherein the bayonet is an interference fit with the slot.

9. The fastening tool for a high-pressure flange of a CT bulb tube according to claim 8, wherein the clamping pin is in threaded connection with the operation head, a plurality of threaded holes for installing the clamping pin are formed in the operation head along the circumferential direction, a threaded section matched with the threaded hole is formed at one end of the clamping pin, and a threaded fastening adhesive is smeared between the threaded section and the corresponding threaded hole.

10. A fastening tool for a CT bulb high pressure flange according to claim 1, wherein the adapter and the operating head are made of carbon steel.