Guide rail and plunger sealing pneumatic detection device

Abstract

The utility model discloses a guide rail and plunger sealing pneumatic detection device comprising a pneumatic detection assembly, the pneumatic detection assembly comprises a pedestal, a measuring head connected with the pedestal, and an air tap communicated with the measuring head; and the auxiliary detection assembly comprises a pneumatic measuring instrument and a measuring air pipe communicated with the pneumatic measuring instrument. According to the utility model, through the arrangement of the pneumatic detection assembly and the auxiliary detection assembly, the standard plunger penetrates into the inner hole of the guide rail to the working section of the plunger in the guide rail, the sealing performance is judged through the gas displacement of gas in the plunger and the guide rail by using the working principle of a pneumatic gauge, the structure is simple, the operation is easy, and the cost is low. According to the utility model, the sealing performance can be detected more quickly and intuitively, and remodeling detection can be realized by replacing the measuring head.

Description

TECHNICAL FIELD

[0001] The utility model relates to pneumatic detection technical field, concretely is a guide rail and plunger sealing pneumatic detection device. BACKGROUND

[0002] The sealing property of the guide rail and plunger of the stove heating pump is mainly guaranteed by the small gap between the guide rail inner hole and plunger. When the guide rail inner hole size is big, the roundness is not round and the like, lead to the gap is too big, the product can not satisfy the performance requirement, the current use microscope full number observation confirms, but can not confirm the size of hole and the roundness state of hole, detection efficiency is low, can not judge the performance of product, also can not satisfy the need of production rhythm. UTILITY MODEL CONTENT

[0003] Therefore, the utility model discloses a kind of guide rail and plunger sealing pneumatic detection device, by the pneumatic detection component and auxiliary detection component of being set, use standard plunger to be inserted into guide rail inner hole to plunger in guide rail in working section, utilize the working principle of pneumatic flowmeter, judge its sealing performance by the exhaust capacity of gas in plunger and guide rail inner, structure is simple, easy to operate, can more quickly, more intuitive to carry out the detection of sealing performance, by changing measuring head, can realize change detection.

[0004] To solve the above technical problems, according to one aspect of the utility model, the utility model provides the following technical scheme: a kind of guide rail and plunger sealing pneumatic detection device, comprising:

[0005] Pneumatic detection component, the pneumatic test component includes the base being set, the measuring head being connected with the base, the gas nozzle being communicated with the measuring head;

[0006] Auxiliary detection component, the auxiliary detection component includes the pneumatic flowmeter being set, the measuring gas pipe being communicated with the pneumatic flowmeter.

[0007] As a preferred scheme of the utility model discloses a kind of guide rail and plunger sealing pneumatic detection device, wherein the measuring gas pipe and the gas nozzle are interconnected.

[0008] As a preferred scheme of the utility model discloses a kind of guide rail and plunger sealing pneumatic detection device, wherein the pneumatic detection component further includes the plunger being set, the guide rail being fitted with the plunger, the transverse hole in the guide rail and the working section located below the transverse hole.

[0009] As a preferred scheme of the utility model discloses a kind of guide rail and plunger sealing pneumatic detection device, wherein the guide rail and the measuring head are interconnected.

[0010] As a preferred scheme of the guide rail and plunger sealing pneumatic detection device, the O-shaped sealing ring is arranged on the measuring head and located between the guide rail and the measuring head.

[0011] As a preferred scheme of the guide rail and plunger sealing pneumatic detection device, the O-shaped sealing ring is arranged on the measuring head and located between the guide rail and the measuring head.

[0012] Compared with the prior art, the guide rail and plunger sealing pneumatic detection device has the following advantages:

[0013] The pneumatic detection assembly and the auxiliary detection assembly are arranged, a standard plunger is inserted into a hole of the guide rail to a working section of the plunger in the guide rail, the working principle of the pneumatic flow meter is utilized, the sealing performance is judged according to the exhaust capacity of the gas in the plunger and the guide rail, the structure is simple, the operation is easy, the sealing performance can be detected more quickly and more intuitively, and the detection of different types can be realized by replacing the measuring head.

[0014] In specific use, the plunger is inserted into the guide rail until the end of the plunger is located in the working section of the guide rail, the guide rail is connected with the measuring head at this time, the sealing is performed through the O-shaped sealing ring, the air leakage is avoided, the 10000 times pneumatic flow meter is adopted, the measuring gas pipe is connected with the air nozzle, the pneumatic flow meter is started, the plunger is inserted into the hole of the guide rail to below the horizontal hole of the guide rail, the cooperation gap is small, there is a small gas flow, if the gas flow exceeds the predetermined limit, the sealing performance is determined to be unqualified, and the problem that the product sealing performance cannot be detected and judged is solved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the present application will be described in detail below in combination with the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor. Among them:

[0016] Fig. 1 The structure diagram of the present application;

[0017] Fig. 2 The position structure diagram of the horizontal hole of the present application.

[0018] In the drawings: 11, base; 12, measuring head; 13, air nozzle; 14, plunger; 15, guide rail; 16, O-shaped sealing ring; 17, horizontal hole; 18, working section; 21, pneumatic flow meter; 22, measuring gas pipe. DETAILED DESCRIPTION

[0019] In order to make the above objects, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings.

[0020] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can be practiced in other ways different from those described herein, and persons skilled in the art can make similar generalizations without departing from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.

[0021] Secondly, the present application is described in detail in combination with the schematic diagram, in the detailed description of the embodiments of the present application, for the convenience of description, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present application herein. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual production.

[0022] In order to make the objects, technical schemes and advantages of the present application more clear, the embodiments of the present application will be described in further detail below with reference to the drawings.

[0023] The present application provides a kind of guide rail and plunger sealing pneumatic detection device, by setting up pneumatic detection component and auxiliary detection component, using standard plunger is worn into the hole of guide rail to plunger in the working section 18 in guide rail, using the working principle of pneumatic quantity instrument, the sealing performance is judged by the exhaust capacity of gas in plunger and guide rail, simple structure, easy to operate, can more quickly, more intuitive to carry out the detection of sealing performance, by replacing probe, it can realize change detection.

[0024] Figs. 1-2 It is the overall structure schematic diagram of the embodiment of the present application, please refer to Figs. 1-2 The main structure of the embodiment includes: pneumatic detection component and auxiliary detection component.

[0025] Pneumatic detection component is used to cooperate plunger 14 and guide rail 15 installation, specifically, pneumatic test component includes the base 11 of setting, the probe 12 of being connected with base 11, the air nozzle 13 of being communicated with probe 12;Pneumatic detection component also includes the plunger 14 of setting, the guide rail 15 of being matched with plunger 14, the transverse hole 17 in guide rail 15 and the working section 18 below transverse hole 17;

[0026] In specific use, plunger 14 is worn into guide rail 15, until the end of plunger 14 is located in the working section 18 in guide rail 15, guide rail 15 is connected with probe 12 at this time, is sealed by O type sealing ring 16, avoids air leakage.

[0027] The auxiliary detection assembly is used for completing the sealing detection, specifically, the auxiliary detection assembly comprises a set of the air flow meter 21 and a measuring air pipe 22 communicated with the air flow meter 21.

[0028] In the specific use, the air flow meter 21 with 10000 times is adopted, the measuring air pipe 22 is connected with the air nozzle 13, the air flow meter 21 is started, the plunger 14 is penetrated into the inner hole of the guide rail 15 to below the transverse hole 17 of the guide rail 15, due to the small cooperation gap, there is a small gas flow, if the gas flow exceeds the predetermined limit, the sealing performance is judged as unqualified, the problem that the product sealing performance cannot be detected and judged is solved.

[0029] Although the utility model has been described above with reference to the embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, each feature in the disclosed embodiments of the utility model can be combined in any way, and the combinations are not exhaustively described in the specification only for the purpose of saving space and resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A guide rail and plunger sealing pneumatic detection device, characterized in that, Comprise: Pneumatic detection assembly, the base (11) is arranged, the probe (12) is connected with the base (11), the air nozzle (13) is communicated with the probe (12); Auxiliary detection assembly, the gas dynamic quantity appearance (21) is arranged, the measuring gas pipe (22) is communicated with the gas dynamic quantity appearance (21).

2. The rail and plunger seal pneumatic detection device of claim 1, wherein, The measuring gas pipe (22) and the air nozzle (13) are communicated with each other.

3. The rail and plunger seal pneumatic detection device of claim 2, wherein, The pneumatic detection assembly further comprises a plunger (14), a guide rail (15) fitted with the plunger (14), a transverse hole (17) located in the guide rail (15) and a working section (18) located below the transverse hole (17).

4. The rail and plunger seal pneumatic detection device of claim 3, wherein, The guide rail (15) and the probe (12) are communicated with each other.

5. The rail and plunger seal pneumatic detection device of claim 4, wherein, An O-shaped sealing ring (16) is arranged on the probe (12), and the O-shaped sealing ring (16) is located between the guide rail (15) and the probe (12).

6. The rail and plunger seal pneumatic detection device of claim 5, wherein, The O-shaped sealing ring (16) seals between the probe (12) and the guide rail (15).

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