CN113119014B - Special plugging tool for air pipe quick-plugging structure - Google Patents
Special plugging tool for air pipe quick-plugging structure Download PDFInfo
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- CN113119014B CN113119014B CN202110418257.9A CN202110418257A CN113119014B CN 113119014 B CN113119014 B CN 113119014B CN 202110418257 A CN202110418257 A CN 202110418257A CN 113119014 B CN113119014 B CN 113119014B
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- connecting rod
- rod
- air pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
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Abstract
The invention discloses a special plugging tool of a trachea quick plugging structure, which comprises a middle connecting rod, a lower connecting rod and an upper connecting rod which are hinged with each other, wherein a clamping plate A is arranged at the head end of the middle connecting rod, a clamping plate B matched with the clamping plate A is arranged at the free end of the upper connecting rod, the clamping plate A and the clamping plate B form clamping movement, the free end of the lower connecting rod and the tail end of the middle connecting rod form force application rotation, a convex block is fixedly connected with the lower connecting rod, a contact rod is fixedly connected with the upper connecting rod, the tail end of the contact rod is abutted against the convex block contact surface of the convex block, the convex block contact surface comprises an arc surface and an inclined surface which are sequentially arranged along the force application rotation direction, the arc surface and a pin shaft C are coaxial, and the inclined surface inclines towards the direction far away from the axis of the pin shaft C along the force application rotation direction; the axis of the pin shaft D, the axis of the pin shaft C and the contact point of the contact rod and the arc surface are collinear and are sequentially arranged along the head-tail direction of the middle connecting rod. The air pipe connector can be stretched into a narrow space to open and pull out the air pipe connector.
Description
Technical Field
The invention relates to the field of pneumatic pipeline dismounting and mounting tools, in particular to a special plugging and unplugging tool for a quick air pipe plugging structure.
Background
At present, the industrial production line is basically automated, manual operation is automatically simulated by using a machine, and the used clamp is automatically clamped by replacing the original manual operation, so that a large amount of air cylinders are required. The action of cylinder needs compressed air to input the cylinder through the trachea and realizes, and the connected mode between cylinder and the trachea mainly adopts the structure of inserting soon. The air pipe connector with the quick insertion structure is characterized in that a spring capable of axially stretching is arranged at the connecting end of the air pipe connector, the spring is connected with a clamping ring which synchronously moves with the spring, the inner diameter of the clamping ring is matched with the outer diameter of an air pipe to be connected, and the clamping ring transversely moves to drive a clamping device inside the connector to open and close. When the trachea is connected to needs, press the snap ring and drive the pressure spring and make it shrink to the inboard to make the joint inside latch device open, then embolia the snap ring and wait to connect the trachea, until the trachea inserts the latch device within the joint, loosen the snap ring this moment and make it rely on elasticity to reset, thereby latch device resets and communicates trachea and joint leakproofness. The step of dismounting the air pipe is opposite to the installation process, the pressure spring piece is contracted to open the clamping device by pressing the clamping ring, the air pipe is separated from the clamping ring, and the air pipe is separated from the joint. Traditionally, this kind of trachea of plug fast inserts structure mainly relies on manual operation, but in actual operation, especially in the maintenance operation, often can face a lot of work that need connect the dismouting to the trachea in narrow and small space, because at this moment the hand is difficult to get into in the corresponding space to go to press aforementioned snap ring and go to follow afterwards to take out from connecting and insert the trachea, so greatly reduced the operating efficiency, and the installation quality is relatively poor.
Disclosure of Invention
The invention provides a special plugging tool which can finish the disassembly of a quick air pipe plugging structure in a narrow space.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a special plugging tool for a trachea fast plugging structure comprises a middle connecting rod, a lower connecting rod and an upper connecting rod, wherein the lower connecting rod is hinged to the middle connecting rod through a pin shaft C, the upper connecting rod is hinged to the middle connecting rod through a pin shaft D, a clamping plate A is arranged at the head end of the middle connecting rod, a clamping plate B matched with the clamping plate A is arranged at the free end of the upper connecting rod, the clamping plate A and the clamping plate B form clamping movement, the free end of the lower connecting rod and the tail end of the middle connecting rod form force application rotation, a convex block is fixedly connected to the lower connecting rod, a contact rod is fixedly connected to the upper connecting rod, the tail end of the contact rod is abutted to the convex block contact surface of the convex block, the convex block contact surface comprises an arc surface and an inclined surface which are sequentially arranged along the force application rotation direction, the arc surface is coaxial with the pin shaft C, and the inclined surface is inclined towards the direction far away from the axis of the pin shaft C along the force application rotation direction; the axis of the pin shaft D, the axis of the pin shaft C and the contact point of the contact rod and the arc surface are collinear and are sequentially arranged along the head-tail direction of the middle connecting rod.
Further: the force application rotation is the rotation that the free end of the lower connecting rod and the tail end of the middle connecting rod are mutually closed.
Further: the lug is arranged on one side of the lower connecting rod close to the tail end of the middle connecting rod, and the side face of the lug is attached to the side face of the middle connecting rod.
Further: still include with well connecting rod articulated plug connecting rod, the head end of plug connecting rod is provided with the pipe clamp.
Further: and the lower connecting rod is provided with a top rod, and the tail end of the top rod is abutted against the side edge of the plug connecting rod close to the lower connecting rod.
Further: the ejector rod is rotatably connected with the lower connecting rod, the middle connecting rod is hinged to the middle part of the plug connecting rod, and the ejector rod is switched between the following two positions: one position is that the free end of the ejector rod is abutted with the head end of the plug connecting rod; the other position is that the free end of the ejector rod is abutted against the tail end of the plug connecting rod.
Further: the pipe clamp comprises a pipe clamp head and pipe clamp handles which are arranged in pairs, an expanding opening is formed in the top end of the pipe clamp head, and one of the two pipe clamp handles is connected with the plug connecting rod.
Further: the clamping plates A and B are provided with symmetrical step-shaped U-shaped openings.
Further: the pipe clamp handle is connected with the plug connecting rod through the adjusting rod.
Further: and the tail end of the contact rod is provided with a roller which is abutted against the contact surface of the bump.
By adopting the technical scheme, the special plugging tool for disassembling the quick air pipe plugging structure has the technical effects that the special plugging tool for disassembling the quick air pipe plugging structure can extend into a narrow space to open an air pipe joint due to the fact that the special plugging tool is similar to a pliers structure; the clamping ring can also prevent the fragile air pipe joint from being damaged due to overlarge clamping force, stably keeps effective pressing of the clamping ring, and ensures smooth plugging operation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a partial view taken in the direction B of FIG. 1;
FIG. 4 is a partial view taken in the direction C of FIG. 1;
FIG. 5 is a schematic view of the present invention in use during intubation;
the device comprises a clamp plate A, a clamp plate B, a clamp plate C, a clamp rod C, a regulating rod 5, a plug-pull connecting rod 6, a pin shaft A7, a middle connecting rod 8, a push rod 9, a pin shaft B10, a lower connecting rod 11, a pin shaft C12, a pin shaft D14, a contact rod 15, an inclined plane 16, a convex block 17, an arc surface 18, a roller 19, a bayonet A20, a bayonet B21, a bayonet C22, a pipe clamp head 23, a pipe clamp handle 24, a clamp ring 25, a clamp ring 26, an air pipe to be inserted and a flared opening 27.
Detailed Description
As shown in fig. 1 to 5, a preferred embodiment of the present invention is shown, and in order to clearly show the connection relationship of the structures, the embodiment is exaggerated in some parts, and does not represent that the embodiment has the best use effect in size. It is generally similar to a pair of pliers, since its portion corresponding to the pliers head is the functional portion for performing the operation on the gas pipe joint 24, so that the end of the device close to the aforesaid pliers head is called the head end, and the opposite end is called the tail end; the sub-components belonging to the present apparatus are defined according to the rule, except as specifically described.
The basic structure for completing the basic functions of the system has the following characteristics:
as shown in fig. 1 and 2, the present apparatus includes a middle link 8, a lower link 11 hinged to the middle link 8 by a pin C12, and an upper link 2 hinged to the middle link 8 by a pin D13. The head end of the middle connecting rod 8 is provided with a clamping plate A1, the free end of the upper connecting rod 2 is provided with a clamping plate B3 matched with the clamping plate A1, the clamping plate A1 and the clamping plate B3 form a clamping movement similar to a binding clip, so that as shown in figure 5, the two ends of the air pipe joint 24 are clamped, and then the clamping ring 25 at one end of the air pipe joint 24 is pressed, the clamping device in the air pipe joint 24 is opened, and the subsequent air pipe inserting or extracting operation is completed.
The free end of the lower link 11 and the trailing end of the middle link 8 form a force-applying rotation, which is a rotation that powers the clamping movement of the clamp plate a1 and the clamp plate B3. Specifically, in the preferred embodiment, the force-applying rotation is a rotation in which the free end of the lower link 11 and the tail end of the middle link 8 are close to each other, but if the aforementioned rotation of the two opposite sides can also provide power, the rotation also falls within the range of the force-applying rotation, for example, the two are opened by both hands, or the two are held in advance and then return to provide power by a spring, and both the rotation and the rotation are provided by opposite sides. The preferred embodiment provides power by means of opposite closing rotation, so that the advantages of larger gripping force than tension and easiness in controlling force application of a single hand of a person can be fully utilized to conveniently control the device.
The lower link 11 is fixedly connected with a projection 16, the upper link 2 is fixedly connected with a contact rod 14, and the tail end of the contact rod 14 is abutted against the projection contact surface of the projection 16. The bump contact surface includes an arc surface 17 and an inclined surface 15 arranged in sequence along the force application rotation direction, that is, according to fig. 2, when the bump 16 performs the aforementioned rotation (i.e., force application rotation) in which the bump approaches each other, the inclined surface 15 will contact the end of the contact rod 14 before the arc surface 17. Preferably, in order to reduce the friction and the loss deformation between the contact rod 14 and the arc surface 17, the present embodiment is provided with a roller 18 at the end of the contact rod 14, which abuts against the contact surface of the projection.
The arc surface 17 is coaxial with the pin C12 (that is, the axis surrounded by the arc surface 17 is coaxial with the pin C12), and the inclined surface 15 inclines in the direction away from the axis of the pin C12 along the force application rotation direction. When the roller 18 moves to abut against the arc surface 17, the three points of the axis of the pin D13, the axis of the pin C12, and the contact point of the roller 18 and the arc surface 17 are collinear (i.e., as shown in fig. 2, the three points are on the same straight line), and the three points are sequentially arranged in the head-to-tail direction (i.e., from the head end to the tail end) of the middle connecting rod 8.
Thus, in the position of the device shown in fig. 1 and 2 (i.e., the contact point of the roller 18 is located at the turning point between the arc surface 17 and the inclined surface 15), the movement locus circle of the arc surface 17 intersects the movement locus circle of the outermost point of the roller 18 at the contact point of the roller 18, and the diameter of the movement locus circle of the arc surface 17 is smaller than that of the movement locus circle of the outermost point of the roller 18. When the free end of the lower link 11 moves away from the tail end of the middle link 8 (i.e. the rotation opposite to the force application rotation), the contact point of the roller 18 moves along the outermost movement locus circle of the roller 18 with a larger diameter along with the clockwise rotation of the projection 16, and swings clockwise from the intersection point to slide on the inclined surface 15. Since the upper link 2 connected to the contact lever 14 is also rotated, the jaw a1 and the jaw B3 are opened to each other, and the air pipe connector 24 is inserted therein. Then, the free end of the lower connecting rod 11 and the tail end of the middle connecting rod 8 are mutually closed, so that the clamping plate A1 and the clamping plate B3 are clamped again, when the clamping ring 25 is pressed in place, the contact point of the roller 18 returns to the position shown in the figure again, and then the position of the roller 18 cannot be changed due to the fact that the arc surface 17, the pin shaft C12 and the axis of the lower connecting rod 11 are coaxial and the arc surface 17 limit the roller 18, and therefore the fragile air pipe joint 24 usually made of plastic is prevented from being damaged due to the fact that clamping force is too large. On the other hand, the device can realize the force increasing effect through the pincerlike structure, and can easily realize the function of opening the joint for joints which are aged or damaged and difficult to open through hand force.
The device with the basic structure is similar to a pliers structure in that the device can be extended into a narrow space to open the air pipe connector 24. In the operation of inserting and extracting the air pipe, the opening operation of the air pipe joint 24 is most important, and then an operator can insert and extract the air pipe by catching the far end of the air pipe. In addition, due to the fact that the situation that the force is different from front to back is inevitably applied to the operation personnel in the operation process, the device can stably keep effective pressing on the clamping ring 25 in a force mode through the structure, the fragile air pipe joint 24 can be prevented from being damaged due to overlarge clamping force, and the smooth operation of plugging and unplugging operation is guaranteed.
It should be noted that although the above-mentioned special inserting and pulling tool can utilize the self-gravity of the component to complete the movement opposite to the direction of the applied force rotation, it is preferable to add a corresponding torsion spring at each joint for the convenience of free use in each situation.
As shown in fig. 1 and 2, the projection 16 of the preferred embodiment is disposed on the side of the lower link 11 near the tail end of the middle link 8, and the side of the projection 16 is attached to the side of the middle link 8. Because the force application rotation of the preferred embodiment is the rotation that the free end of the lower connecting rod 11 and the tail end of the middle connecting rod 8 are close to each other, namely, an operator can apply force to complete the operation by holding the lower connecting rod 11 and the middle connecting rod 8, at the moment, the lug 16 arranged as above extends towards the middle of the lower connecting rod 11 and the middle connecting rod 8, thereby avoiding the increase of the occupied volume of the device and saving the space; if the protrusion 16 is too long, the protrusion may be pushed against the middle link 8, and the side surface of the protrusion 16 is attached to the side surface of the middle link 8 to make the protrusion and the middle link staggered, so that interference and collision can be avoided, and the corresponding function can be ensured, and the occupied space of the device can be reduced.
In addition, as shown in fig. 1, 2 and 5, the preferred embodiment further includes a plug connecting rod 6 hinged to the middle connecting rod 8 through a pin shaft a7, and a pipe clamp 4 is arranged at a head end of the plug connecting rod 6. After the arrangement, the to-be-inserted air pipe 26 or the to-be-pulled air pipe can be clamped in the pipe clamp 4, the insertion and the extraction can be realized by controlling the swing of the insertion and extraction connecting rod 6, the insertion and extraction connecting rod 6 is hinged with the middle connecting rod 8, a structure similar to a clamp handle can be formed under the condition that the insertion and extraction connecting rod 6 is long enough, the middle connecting rod 8 cannot generate invalid movement (because the roller 18 moves in the arc surface 17) in the insertion and extraction operation process like the lower connecting rod 11, the position is relatively fixed, the operation of the clamp handle structure is more stable, and the smooth operation of the insertion and extraction operation is facilitated.
Further, in this embodiment, the lower connecting rod 11 is provided with a top rod 9, and the end of the top rod 9 abuts against the side edge of the plug connecting rod 6 close to the lower connecting rod 11. Thus, by means of the closing later stage of the lower connecting rod 11 and the middle connecting rod 8 and the swing amplitude of the lower connecting rod 11 of the section of the roller 18 moving in the arc surface 17, the ejector rod 9 can push the plugging connecting rod 6 to complete the plugging action, for example, as shown in fig. 5, an operator can press the clamping ring 25 on the air pipe connector 24 and insert the air pipe 26 to be plugged by closing the lower connecting rod 11 and the middle connecting rod 8 with one hand, so that the operator can flexibly use the device with one hand, the operation process is simplified, and the operation efficiency is improved.
The ejector rod 9 can be further connected with the lower connecting rod 11 in a rotating mode through a pin shaft B10, the middle connecting rod 8 is hinged to the middle of the plugging connecting rod 6, and the ejector rod 9 is switched between the following two positions: one is a position where the free end of the jack 9 abuts against the head end of the plug link 6 (a position shown by a two-dot chain line in fig. 1); the other position is that the free end of the jack 9 abuts against the rear end of the plug link 6 (as shown in the position shown by the solid line in fig. 1 and the position shown in fig. 5). Through the different positions of conversion ejector pin 9 like this, can make things convenient for quick conversion this device extract and the plug-in state, be favorable to improving the operating efficiency at the quick conversion of complicated operation in-process to inserting and extracting.
As shown in fig. 4, the pipe clamp 4 of the preferred embodiment includes a pipe clamp 22 and a pipe clamp shank 23 arranged in pair, a flared end 27 is provided at the top end of the pipe clamp 22, and one of the two pipe clamp shanks 23 is connected to the insert/pull link 6. The flaring 27 is provided to force the flaring 27 of the tube clamp 22 against the trachea to be clamped during the tube drawing operation, and the flaring 27 is forced to separate the two tube clamps 22, so that the tube clamps 22 clamp the trachea to be drawn for subsequent operation.
As shown in fig. 3, the clamping plate a1 and the clamping plate B3 are provided with symmetrical step-shaped U-shaped openings. Specifically, the clamping plate a1 is formed by arranging a bayonet a19 with a width of 8mm, a bayonet a20 with a width of 6mm and a bayonet a21 with a width of 4mm from top to bottom, and the center lines of the bayonets are overlapped to form a symmetrical step shape. The design is so in order to adapt to the air pipe connector 24 corresponding to different pipe diameters, the special plugging tool can be used for dealing with the air pipe operation occasions with various specifications, and the adaptability of the tool is improved.
Since the different widths of the U-shaped openings correspond to different heights of the clamping plate a1 (and the clamping plate B3), the position of the pipe clamp 4 is preferably adjustable to facilitate smooth insertion and removal, and therefore the pipe clamp handle 23 of the preferred embodiment is connected to the insertion and removal link 6 via the adjusting rod 5 to adjust the height position of the pipe clamp 4 differently. The specific structure of the adjusting lever 5 may be a screw-type or snap-type structure having an adjusting function.
Claims (10)
1. The utility model provides a special plug instrument of structure is inserted soon to trachea which characterized in that: comprises a middle connecting rod (8), a lower connecting rod (11) hinged with the middle connecting rod (8) through a pin shaft C (12) and an upper connecting rod (2) hinged with the middle connecting rod (8) through a pin shaft D (13), wherein the head end of the middle connecting rod (8) is provided with a clamping plate A (1), the free end of the upper connecting rod (2) is provided with a clamping plate B (3) matched with the clamping plate A (1), the clamping plate A (1) and the clamping plate B (3) form clamping movement, the free end of the lower connecting rod (11) and the tail end of the middle connecting rod (8) form force application rotation, the lower connecting rod (11) is fixedly connected with a lug (16), the upper connecting rod (2) is fixedly connected with a contact rod (14), the tail end of the contact rod (14) is abutted against the lug contact surface of the lug (16), the lug contact surface comprises an arc surface (17) and an inclined surface (15) which are sequentially arranged along the force application rotation direction, and the arc surface (17) and the pin shaft C (12) are coaxial, the inclined surface (15) inclines towards the direction far away from the axis of the pin shaft C (12) along the force application rotating direction; the axis of the pin shaft D (13), the axis of the pin shaft C (12) and the contact point of the contact rod (14) and the arc surface (17) are collinear and are sequentially arranged along the head-tail direction of the middle connecting rod (8).
2. The special plugging tool for the air pipe quick plugging structure according to claim 1, wherein: the force application rotation is the rotation that the free end of the lower connecting rod (11) and the tail end of the middle connecting rod (8) are close to each other.
3. The special plugging tool for the air pipe quick plugging structure according to claim 2, wherein: the convex block (16) is arranged on one side of the lower connecting rod (11) close to the tail end of the middle connecting rod (8), and the side face of the convex block (16) is attached to the side face of the middle connecting rod (8).
4. The special plugging tool for the air pipe quick plugging structure according to claim 3, wherein: still include with well connecting rod (8) articulated plug connecting rod (6), the head end of plug connecting rod (6) is provided with pipe clamp (4).
5. The special plugging tool for the air pipe quick plugging structure according to claim 4, characterized in that: the lower connecting rod (11) is provided with a push rod (9), and the tail end of the push rod (9) is abutted against the side edge, close to the lower connecting rod (11), of the plugging connecting rod (6).
6. The special plugging tool for the air pipe quick plugging structure according to claim 5, wherein: the ejector rod (9) is rotationally connected with the lower connecting rod (11), the middle connecting rod (8) is hinged to the middle part of the plug connecting rod (6), and the ejector rod (9) is switched between the following two positions: one is that the free end of the mandril (9) is abutted against the head end of the plug connecting rod (6); the other position is that the free end of the mandril (9) is abutted against the tail end of the plug connecting rod (6).
7. The special plugging tool for the air pipe quick plugging structure according to claim 4, wherein: the pipe clamp (4) comprises two pipe clamps (22) and two pipe clamp handles (23), the top ends of the two pipe clamps (22) form a flared opening (27) together, and one of the two pipe clamp handles (23) is connected with the plug connecting rod (6).
8. The special plugging tool for the air pipe quick plugging structure according to claim 7, wherein: the clamping plate A (1) and the clamping plate B (3) are provided with symmetrical step-shaped U-shaped openings.
9. The special plugging tool for the air pipe quick plugging structure according to claim 8, wherein: the pipe clamp handle (23) is connected with the plug connecting rod (6) through the adjusting rod (5).
10. The special plugging tool for the air pipe quick plugging structure according to claim 1, wherein: a roller (18) abutting against the contact surface of the projection is provided at the end of the contact rod (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110418257.9A CN113119014B (en) | 2021-04-19 | 2021-04-19 | Special plugging tool for air pipe quick-plugging structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110418257.9A CN113119014B (en) | 2021-04-19 | 2021-04-19 | Special plugging tool for air pipe quick-plugging structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113119014A CN113119014A (en) | 2021-07-16 |
| CN113119014B true CN113119014B (en) | 2022-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110418257.9A Active CN113119014B (en) | 2021-04-19 | 2021-04-19 | Special plugging tool for air pipe quick-plugging structure |
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| CN (1) | CN113119014B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114536050B (en) * | 2022-01-28 | 2023-03-31 | 宁夏英力特化工股份有限公司 | Heat exchanger tubulation moves back a tub calliper |
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| CN113119014A (en) | 2021-07-16 |
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