CN220065460U - Pneumatic compression bar with adjustable force - Google Patents
Pneumatic compression bar with adjustable force Download PDFInfo
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- CN220065460U CN220065460U CN202321472860.6U CN202321472860U CN220065460U CN 220065460 U CN220065460 U CN 220065460U CN 202321472860 U CN202321472860 U CN 202321472860U CN 220065460 U CN220065460 U CN 220065460U
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- pressure regulating
- sliding rod
- sliding sleeve
- compression bar
- sliding
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- 230000006835 compression Effects 0.000 title claims abstract description 37
- 238000007906 compression Methods 0.000 title claims abstract description 37
- 230000001105 regulatory effect Effects 0.000 claims abstract description 60
- 238000003825 pressing Methods 0.000 abstract description 11
- 230000009471 action Effects 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 210000001503 joint Anatomy 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model discloses a pneumatic compression bar with adjustable force, which comprises a pneumatic compression bar body, a sliding sleeve, a sliding rod, a pressure regulating nut and a pressure regulating spring, wherein the sliding sleeve is connected to the driving end of the pneumatic compression bar body; the sliding rod is arranged in the sliding sleeve in a sliding way, and can be abutted with the pressed part; the pressure regulating nut is movably connected to the sliding sleeve; two ends of the pressure regulating spring are respectively abutted with the pressure regulating nut and the sliding rod; the pre-tightening pressure of the pressure regulating spring can be changed by adjusting the position of the pressure regulating nut on the sliding sleeve so as to regulate the force of the sliding rod on the pressed part; through the structure, the pre-tightening pressure of the pressure regulating spring can be regulated, when the sliding rod is pressed on the surface of the pressed component, the reaction force of the pressed component to the sliding rod pushes the sliding rod upwards, the pressure regulating spring is further compressed, after the balance is achieved, the elastic force of the pressure regulating spring is the maximum pressure born by the pressed component, the accurate in-place pressing action can be ensured, and the maximum pressing force can be regulated, so that the pressed component is prevented from being crushed.
Description
Technical Field
The utility model relates to the field of pneumatic compression bars, in particular to a pneumatic compression bar with adjustable force.
Background
In the production process of some products with keys, a pneumatic pressure lever is generally adopted as an actuating mechanism, and the mechanism has the advantages of low cost, quick response and simple and reliable structure, but when the pneumatic pressure lever acts, the problem that the pressing force cannot be adjusted according to the requirement exists, and under the premise of ensuring stable air pressure, the tested keys can be crushed due to overlarge pressing force, so that the pneumatic pressure lever with adjustable force is urgently needed to solve the problem.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a pneumatic compression bar with adjustable force.
The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: a pneumatic compression bar with adjustable force comprises a pneumatic compression bar body, a sliding sleeve, a sliding rod, a pressure adjusting nut and a pressure adjusting spring;
the sliding sleeve is connected to the driving end of the pneumatic compression bar body;
the sliding rod is arranged in the sliding sleeve in a sliding way, and can be abutted with the pressed part;
the pressure regulating nut is movably connected to the sliding sleeve;
two ends of the pressure regulating spring are respectively abutted with the pressure regulating nut and the sliding rod;
the pre-tightening pressure of the pressure regulating spring can be changed by adjusting the position of the pressure regulating nut on the sliding sleeve so as to regulate the force of the sliding rod on the pressed part.
Further, a first baffle is arranged on the outer wall of one end of the sliding sleeve, which is close to the pneumatic compression bar body.
Further, a second baffle is arranged on the outer wall of one end of the sliding rod, which is opposite to the pneumatic compression bar body, and the pressure regulating spring is in butt joint with the second baffle.
Further, the slide bar is connected with the sliding sleeve through a limiting structure.
Further, the limit structure comprises a first limit plate arranged on the inner wall of the sliding sleeve and a second limit plate arranged on the sliding rod, and the first limit plate is in butt joint with the second limit plate so that the sliding rod is limited in the sliding sleeve.
Further, the pneumatic compression bar with adjustable force further comprises a pressure head with a spherical rotating head, and a spherical rotating cavity for accommodating the spherical rotating head is formed at the end part of the sliding bar.
Further, a buffer pad is arranged on the lower end face of the pressure head.
Further, the cushion pad is provided as a rubber pad.
The utility model has the beneficial effects that: the pneumatic compression bar with adjustable force comprises a pneumatic compression bar body, a sliding sleeve, a sliding rod, a pressure adjusting nut and a pressure adjusting spring, wherein the sliding sleeve is connected to the driving end of the pneumatic compression bar body; the sliding rod is arranged in the sliding sleeve in a sliding way, and can be abutted with the pressed part; the pressure regulating nut is movably connected to the sliding sleeve; two ends of the pressure regulating spring are respectively abutted with the pressure regulating nut and the sliding rod; the pre-tightening pressure of the pressure regulating spring can be changed by adjusting the position of the pressure regulating nut on the sliding sleeve so as to regulate the force of the sliding rod on the pressed part; through the structure, the pre-tightening pressure of the pressure regulating spring can be regulated, when the sliding rod is pressed on the surface of the pressed component, the reaction force of the pressed component to the sliding rod pushes the sliding rod upwards, the pressure regulating spring is further compressed, after the balance is achieved, the elastic force of the pressure regulating spring is the maximum pressure born by the pressed component, the accurate in-place pressing action can be ensured, and the maximum pressing force can be regulated, so that the pressed component is prevented from being crushed.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of a pneumatic compression bar with adjustable force;
FIG. 2 is a cross-sectional view of a pneumatic strut with adjustable force;
fig. 3 is a partial enlarged view of the area a in fig. 2.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
In the description of the present utility model, plural means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and the above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless clearly defined otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may be connected directly or indirectly through an intermediary; the connecting device can be fixedly connected, detachably connected and integrally formed; may be a mechanical connection; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the utility model can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.
Referring to fig. 1 to 3, a pneumatic compression bar with adjustable force comprises a pneumatic compression bar body 10, a sliding sleeve 20, a sliding rod 30, a pressure adjusting nut 40 and a pressure adjusting spring 50;
the sliding sleeve 20 is connected to the driving end of the pneumatic compression bar body 10;
the sliding rod 30 is arranged in the sliding sleeve 20 in a sliding way, and the sliding rod 30 can be abutted with a pressed part;
the pressure regulating nut 40 is movably connected to the sliding sleeve 20;
two ends of the pressure regulating spring 50 are respectively abutted with the pressure regulating nut 40 and the slide rod 30;
the pretension pressure of the pressure regulating spring 50 can be changed by adjusting the position of the pressure regulating nut 40 on the slide 20 to regulate the force of the slide bar 30 against the pressed member.
In the present utility model:
1. the pneumatic compression bar body 10 is preferably a pneumatic compression bar, specifically, the pneumatic compression bar body 10 includes the cylinder body, slide the first air cock and the second air cock that set up in the cylinder body and set up on the cylinder body, first air cock or second air cock inserts compressed air, in order to promote the piston and slide in the cylinder body, wherein, the piston is the drive end of pneumatic compression bar body 10, therefore, sliding sleeve 20 is connected on the piston of pneumatic compression bar body 10, sliding sleeve 20 internally mounted has a slide bar 30, the slide bar 30 can be in the sliding sleeve 20 freely microphone from top to bottom, the lower extreme of slide bar 30 is provided with spherical rotation chamber 82, the pressure head 80 is installed in the spherical rotation chamber 82 of slide bar 30 through a spherical rotation head 81, and can freely rotate in order to adapt to different pressing angle needs, in the outside upper portion of sliding sleeve 20, be provided with a pressure regulating nut 40, can follow the outside screw thread of sliding sleeve 20 and reciprocate, be provided with a pressure regulating spring 50 between pressure regulating nut 40 and 20 lower edge, pressure regulating nut 40 compresses tightly on pressure regulating spring 50, the surface is glued under pressure pad 80, the surface is pressed by the protection rubber pad.
2. When the sliding rod 30 slides to the lowest end in the sliding sleeve 20, the pre-tightening pressure of the pressure regulating spring 50 can be regulated by regulating the position of the pressure regulating nut 40, the pressure is directly applied to the sliding rod 30, when the piston of the pneumatic pressure rod body 10 descends to the vicinity of the lower end, the piston is tightly pressed on the surface of a pressed component through the pressure head 80, the initial pressure at the moment is the pre-tightening pressure of the pressure regulating spring 50, the piston continues to descend to the bottom dead center, the pressure head 80 descends to the maximum pressing position, the reaction force of the pressed component to the pressure head 80 pushes the sliding rod 30 upwards and further compresses the pressure regulating spring 50, after the balance is reached, the elasticity of the pressure regulating spring 50 is the maximum pressure born by the pressed component, the actual pressing force can be regulated by regulating the position of the pressure regulating spring 50, the accurate in place of pressing action can be ensured, and the maximum pressing force can be regulated so as not to crush the test component.
The outer wall of the sliding sleeve 20, which is close to one end of the pneumatic compression bar body 10, is provided with a first baffle 61; the outer wall of one end of the sliding rod 30, which is opposite to the pneumatic compression bar body 10, is provided with a second baffle plate 62, and the pressure regulating spring 50 is abutted against the second baffle plate 62; the movement distance of the pressure regulating nut 40 is limited by the first shutter 61 so that the pressure regulating spring 50 maintains a deformed state.
The slide bar 30 is connected with the slide sleeve 20 through a limit structure 70; preferably, the limiting structure 70 includes a first limiting plate 71 disposed on an inner wall of the sliding sleeve 20 and a second limiting plate 72 disposed on the sliding rod 30, and the first limiting plate 71 abuts against the second limiting plate 72, so that the sliding rod 30 is limited in the sliding sleeve 20.
The pneumatic compression bar with adjustable force further comprises a pressure head 80 with a spherical rotating head 81, and a spherical rotating cavity 82 for accommodating the spherical rotating head 81 is arranged at the end part of the sliding rod 30.
The lower end surface of the pressure head 80 is provided with a buffer pad 90; the cushion pad 90 is preferably a rubber pad.
Of course, the present utility model is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications and substitutions without departing from the spirit of the present utility model, and these equivalent modifications and substitutions are included in the scope of the present utility model as defined in the appended claims.
Claims (8)
1. The utility model provides a pneumatic depression bar of adjustable dynamics which characterized in that: comprises a pneumatic compression bar body (10), a sliding sleeve (20), a sliding bar (30), a pressure regulating nut (40) and a pressure regulating spring (50);
the sliding sleeve (20) is connected to the driving end of the pneumatic compression bar body (10);
the sliding rod (30) is arranged in the sliding sleeve (20) in a sliding manner, and the sliding rod (30) can be abutted with a pressed part;
the pressure regulating nut (40) is movably connected to the sliding sleeve (20);
two ends of the pressure regulating spring (50) are respectively abutted with the pressure regulating nut (40) and the sliding rod (30);
the pre-tightening pressure of the pressure regulating spring (50) can be changed by adjusting the position of the pressure regulating nut (40) on the sliding sleeve (20) so as to regulate the force of the sliding rod (30) on the pressed part.
2. The force-adjustable pneumatic compression bar of claim 1, wherein: the outer wall of the sliding sleeve (20) close to one end of the pneumatic compression bar body (10) is provided with a first baffle (61).
3. The force-adjustable pneumatic compression bar of claim 1, wherein: the outer wall of one end of the sliding rod (30) back to the pneumatic compression rod body (10) is provided with a second baffle (62), and the pressure regulating spring (50) is abutted with the second baffle (62).
4. The force-adjustable pneumatic compression bar of claim 1, wherein: the sliding rod (30) is connected with the sliding sleeve (20) through a limiting structure (70).
5. The force adjustable pneumatic ram of claim 4, wherein: the limiting structure (70) comprises a first limiting plate (71) arranged on the inner wall of the sliding sleeve (20) and a second limiting plate (72) arranged on the sliding rod (30), and the first limiting plate (71) is abutted with the second limiting plate (72) so that the sliding rod (30) is limited in the sliding sleeve (20).
6. The force-adjustable pneumatic compression bar of claim 1, wherein: the device further comprises a pressure head (80) with a spherical rotating head (81), and a spherical rotating cavity (82) for accommodating the spherical rotating head (81) is arranged at the end part of the sliding rod (30).
7. The force adjustable pneumatic ram of claim 6, wherein: the lower end face of the pressure head (80) is provided with a buffer pad (90).
8. The force adjustable pneumatic ram of claim 7, wherein: the cushion pad (90) is arranged as a rubber pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321472860.6U CN220065460U (en) | 2023-06-09 | 2023-06-09 | Pneumatic compression bar with adjustable force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321472860.6U CN220065460U (en) | 2023-06-09 | 2023-06-09 | Pneumatic compression bar with adjustable force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220065460U true CN220065460U (en) | 2023-11-21 |
Family
ID=88761680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321472860.6U Active CN220065460U (en) | 2023-06-09 | 2023-06-09 | Pneumatic compression bar with adjustable force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220065460U (en) |
-
2023
- 2023-06-09 CN CN202321472860.6U patent/CN220065460U/en active Active
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