Air tightness detection device with pre-pressing function
By designing components with pre-pressing function in the airtightness detection device, using the cooperation of the floating pressure plate and the push rod to generate pre-pressing force with the spring, the problem of parts with large tail weight falling off is solved, and the accuracy and reliability of detection are improved.
Patent Information
- Application Number
- CN202421391388.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-18
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-06-18
AI Technical Summary
When loading and unloading special parts by the prior art pressing mechanism, the tail weight is too large, causing the product to fall off, which cannot meet the positioning needs of loading and unloading products.
An airtightness detection device with pre-pressure function is designed. Through components such as floating pressure plate, push rod, oil cylinder, handwheel, etc., the U-shaped limiting part in the handwheel rod and the limit hole of the push rod are used to generate pretension force through the first and second springs to ensure effective pretension of the parts.
This device can effectively preload parts with large tail weight, reduce the limitations of contact area, improve the accuracy and reliability of airtightness detection, and is suitable for airtightness detection of various equipment and pipelines.
Smart Images
Figure CN222761799U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pre-pressing components, in particular to an air tightness detection device with a pre-pressing function. Background Art
[0002] Standard clamping mechanism (such as Figure 1 There are restrictions on the loading and unloading of special parts (as shown). When the tail of a special part is heavy, it will cause the product to fall off, and the positioning cannot meet the requirements of loading and unloading products. At this time, a certain pre-compression force is required to compress the parts to ensure more accurate results during the inspection process. Utility Model Content
[0003] In view of the deficiencies in the prior art, the purpose of the utility model is to provide an airtightness detection device with a pre-tightening function, which has a reasonable structural design, can ensure effective pre-tightening of relatively heavy parts at the tail, ensure the accuracy of the measurement structure, and has strong practicality.
[0004] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical scheme: an air tightness detection device with a pre-tightening function, including a floating pressure plate, a push rod, a cylinder seat, a cylinder, a handwheel seat, a cover plate and a handwheel, the floating pressure plate is connected to one end of the push rod, and the other end of the push rod is connected to the cylinder, the cylinder is arranged on the cylinder seat, a handwheel seat is arranged on one side of the cylinder seat, a cover plate is arranged on the outer wall of the handwheel seat, and the handwheel rod of the handwheel passes through the cover plate and is connected to the handwheel seat.
[0005] Preferably, the push rod is arranged perpendicularly to the handwheel rod.
[0006] Preferably, the center of the floating pressure plate is connected to the push rod via a fastener.
[0007] Preferably, pressure blocks are evenly distributed around the periphery of the floating pressure plate.
[0008] Preferably, a U-shaped limit piece is provided at the inner end of the handwheel rod, a limit hole is provided at the inner end of the push rod, the handwheel rod passes through the limit hole and is connected to the U-shaped limit piece, the U-shaped limit piece is provided inside the limit hole of the push rod, a first spring is provided on the handwheel rod outside the limit hole, and a second spring is provided inside the limit hole.
[0009] Preferably, the inner top end of the push rod is an arc-shaped structure that matches the U-shaped limiting piece.
[0010] The beneficial effects of the utility model: the utility model has a reasonable structural design, and by adding a pre-compression component to the air tightness detection device, the limitation of the contact area size is reduced, which can greatly improve the accuracy and reliability of air tightness detection, and can be widely used in air tightness detection of various equipment and pipelines. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] The utility model is described in detail below with reference to the accompanying drawings and specific implementation methods;
[0012] Figure 1 It is a structural schematic diagram of the prior art;
[0013] Figure 2 It is a structural schematic diagram of the utility model;
[0014] Figure 3 for Figure 2 AA section view;
[0015] Figure 4 It is a three-dimensional diagram of the utility model. DETAILED DESCRIPTION
[0016] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0017] Reference Figure 1-4 The present specific implementation adopts the following technical scheme: an air tightness detection device with a pre-tightening function, comprising a floating pressure plate 1, a push rod 2, a cylinder seat 3, a cylinder 4, a handwheel seat 5, a cover plate 6 and a handwheel 7, the floating pressure plate 1 is connected to one end of the push rod 2, the other end of the push rod 2 is connected to the cylinder 4, the cylinder 4 is arranged on the cylinder seat 3, a handwheel seat 5 is arranged on one side of the cylinder seat 3, a cover plate 6 is arranged on the outer wall of the handwheel seat 5, and the handwheel rod of the handwheel 7 passes through the cover plate 5 and is connected to the handwheel seat 5.
[0018] It is worth noting that the push rod 2 is arranged perpendicularly to the hand wheel rod.
[0019] It is worth noting that the center of the floating pressure plate 1 is connected to the push rod 2 via a fastener 8 .
[0020] It is worth noting that the periphery of the floating pressure plate 1 is uniformly distributed with pressure blocks 13 .
[0021] It is worth noting that the inner top end of the push rod 2 is an arc-shaped structure that matches the U-shaped limiting member 9 .
[0022] In addition, a U-shaped limiter 9 is provided at the inner end of the handwheel rod, a limit hole 10 is provided at the inner end of the push rod 2, the handwheel rod passes through the limit hole 10 and is connected to the U-shaped limiter 9, the U-shaped limiter 9 is provided inside the limit hole of the push rod 2, a first spring 11 is provided on the handwheel rod outside the limit hole 10, and a second spring 12 is provided inside the limit hole.
[0023] This specific implementation adds a handwheel seat 5, a cover plate 6 and a handwheel 7 to the traditional standard clamping mechanism, and the handwheel rod is driven to rotate by rotating the manual wheel, so that the U-shaped limit piece at the inner end of the handwheel rod cooperates with the limit hole of the push rod 2, so that the first spring 11 and the second spring 12 generate a clamping force (or rebound), so that the push rod can generate a pre-tightening force for the floating pressure plate, which can better clamp the tested parts and avoid the falling off of parts with too heavy tails, reduce the limitations of the contact area size, and thus improve the accuracy of air tightness detection, improve the detection efficiency, and have strong practicality and novelty.
[0024] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. An airtightness detection device with a pre-compression function, characterized in that: The utility model comprises a floating pressure plate (1), a push rod (2), a cylinder seat (3), a cylinder (4), a handwheel seat (5), a cover plate (6) and a handwheel (7); the floating pressure plate (1) is connected to one end of the push rod (2); the other end of the push rod (2) is connected to the cylinder (4); the cylinder (4) is arranged on the cylinder seat (3); a handwheel seat (5) is arranged on one side of the cylinder seat (3); a cover plate (6) is arranged on the outer wall of the handwheel seat (5); and a handwheel rod of the handwheel (7) passes through the cover plate (6) and is connected to the handwheel seat (5).
2. The airtightness detection device with pre-compression function according to claim 1, characterized in that: The push rod (2) is arranged vertically to the hand wheel rod.
3. The airtightness detection device with pre-compression function according to claim 1, characterized in that: The center of the floating pressure plate (1) is connected to the push rod (2) via a fastener (8).
4. The airtightness detection device with pre-compression function according to claim 1, characterized in that: The periphery of the floating pressure plate (1) is evenly distributed with pressure blocks (13).
5. The airtightness detection device with pre-compression function according to claim 1, characterized in that: The inner end of the handwheel rod is provided with a U-shaped limiter (9), the inner end of the push rod (2) is provided with a limiter hole (10), the handwheel rod passes through the limiter hole (10) and is connected to the U-shaped limiter (9), the U-shaped limiter (9) is arranged inside the limiter hole of the push rod (2), a first spring (11) is arranged on the handwheel rod outside the limiter hole (10), and a second spring (12) is arranged inside the limiter hole.
6. The airtightness detection device with pre-compression function according to claim 1, characterized in that: The inner top end of the push rod (2) is an arc-shaped structure that matches the U-shaped limiting member (9).