CN215492219U - High protection vacuum pressure gauge - Google Patents
High protection vacuum pressure gauge Download PDFInfo
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- CN215492219U CN215492219U CN202122090552.4U CN202122090552U CN215492219U CN 215492219 U CN215492219 U CN 215492219U CN 202122090552 U CN202122090552 U CN 202122090552U CN 215492219 U CN215492219 U CN 215492219U
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- connecting rod
- vacuum pressure
- pressure gauge
- sliding
- spring
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Abstract
The utility model discloses a high-protection vacuum pressure gauge, aiming at providing a vacuum pressure gauge with good anti-corrosion effect on a joint, simple structure and strong practicability, and the technical scheme is characterized in that external threads are arranged on a connecting rod, a protection structure sleeved outside the connecting rod is arranged on a connecting piece, the protection on the joint is formed after the connecting rod is installed through the arranged protection structure, the good anti-corrosion effect is improved, the stability is strong, the structure is simple, the protection structure is further arranged to comprise an outer sleeve body arranged outside the connecting rod and in sliding connection with the outer wall of the connecting rod, and a collision spring arranged between the outer sleeve body and a gauge head, the gauge head and the outer sleeve body are respectively connected with two ends of the collision spring, reverse elastic support on the outer sleeve body is formed through the collision spring, and the connecting rod and the installation part are protected through the outer sleeve body, the pressure detector is simple in structure and good in using effect, and is suitable for the technical field of pressure detectors.
Description
Technical Field
The utility model relates to the technical field of pressure detectors, in particular to a high-protection vacuum pressure gauge.
Background
The vacuum pressure gauge is an instrument which takes atmospheric pressure as a benchmark and is used for measuring the pressure less than the atmospheric pressure. The vacuum pressure gauge is suitable for measuring the vacuum pressure of liquid and gas without explosion, crystallization and solidification and corrosion to copper and copper alloy.
At present, the vacuum pressure gauge in the market comprises a dial plate and a connecting rod integrally connected with the dial plate. Traditional vacuum pressure gauge is at the in-process that uses, is connected through the screw thread, but because vacuum pressure gauge's service environment corrosivity is stronger, if do not protect the junction, can accelerate the corruption of junction, reduced life, influence the degree of accuracy that detects moreover.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide the vacuum pressure gauge which has a good anti-corrosion effect on a joint, a simple structure and strong practicability.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high protection vacuum pressure gauge, includes dial plate and the connecting rod with dial plate body coupling, be equipped with the external screw thread on the connecting rod, and be equipped with the protective structure who overlaps outside the connecting rod on the connecting piece, this protective structure including set up outside the connecting rod and with connecting rod outer wall sliding connection's outer cover, set up the conflict spring between outer cover and gauge outfit, gauge outfit and outer cover are connected respectively to the both ends of this conflict spring.
The utility model is further configured to: be equipped with sliding structure between outer cover and the connecting rod, this sliding structure is including setting up interior barrel on outer cover inner wall, setting up a plurality of sliders in the inner barrel and set up on the connecting rod and with the slide rail of slider looks adaptation.
The utility model is further configured to: the outer sleeve body comprises a main body structure and a contact structure connected with the main body structure, the contact structure is made of rubber materials, and the bottom surface of the contact structure is arc-shaped.
The utility model is further configured to: each slider equipartition is internal in the inner tube, and the cross-section of slider is trapezoidal shape.
The utility model is further configured to: the outer diameter of the abutting spring is gradually increased from one end connected with the outer sleeve body to the other end.
The utility model is further configured to: the ratio of the outer diameter of one end of the abutting spring connected with the outer sleeve body to the outer diameter of the other end of the abutting spring is 0.8-0.9.
The utility model is further configured to: still be equipped with the retaining ring of contradicting between gauge outfit and the connecting rod, the cross-section of this retaining ring of contradicting is trapezoidal form.
By adopting the technical scheme, the connecting rod structure has the advantages that 1, the connecting rod is provided with the external thread, the connecting piece is provided with the protective structure sleeved outside the connecting rod, after the connecting rod is installed, the protection of the joint is formed, the good anti-corrosion effect is improved, the stability is strong, the structure is simple, the protective structure is further arranged to comprise an outer sleeve body arranged outside the connecting rod and in sliding connection with the outer wall of the connecting rod, and a collision spring arranged between the outer sleeve body and a gauge head, the two ends of the collision spring are respectively connected with the gauge head and the outer sleeve body, the reverse elastic support for the outer sleeve body is formed by the collision spring, so that the connecting rod and the installation position are protected by the outer sleeve body, the structure is simple, and the using effect is good;
2. by arranging the sliding structure between the outer sleeve body and the connecting rod, and arranging the sliding structure to comprise the inner cylinder body arranged on the inner wall of the outer sleeve body, the plurality of sliding blocks arranged in the inner cylinder body and the sliding rails arranged on the connecting rod and matched with the sliding blocks, the connection sliding stability between the inner cylinder body and the outer sleeve body is formed by adopting the matching between the sliding blocks and the sliding rails, the stability of a connection part is convenient to form, the structure is simple, and the practical effect is strong;
3. through setting up the outer cover body to the conflict structure that includes major structure and be connected with major structure, this conflict structure adopts rubber materials to make, and the conflict structure that rubber materials set up has realized the good contact effect with the mounted position, and is sealed effectual, is circular-arc through the bottom surface with the conflict structure moreover, and circular-arc structure has taken place deformation when the atress, has then formed reverse elastic support's effect, and stability is strong, simple structure.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of a high-protection vacuum pressure gauge according to the present invention.
Reference numeral in the figure, 1, dial plate; 2. a connecting rod; 20. an external thread; 3. an outer casing; 30. against the spring; 31. an inner cylinder; 310. a slider; 311. a slide rail; 40. a body structure; 41. a contact structure; 5. against the retainer ring.
Detailed Description
An embodiment of a high-protection vacuum pressure gauge according to the present invention is further described with reference to fig. 1.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
The utility model provides a high protection vacuum pressure gauge, including dial plate 1 and with dial plate 1 body coupling's connecting rod 2, be equipped with external screw thread 20 on the connecting rod 2, and be equipped with the protective structure who overlaps outside connecting rod 2 on the connecting piece, this protective structure is including setting up in connecting rod 2 outside and with connecting rod 2 outer wall sliding connection's outer cover 3, set up in the conflict spring 30 between outer cover 3 and the gauge outfit, gauge outfit and outer cover 3 are connected respectively to the both ends of this conflict spring 30, through be equipped with external screw thread 20 on connecting rod 2, and be equipped with the protective structure who overlaps outside connecting rod 2 on the connecting piece, through the protective structure who sets up, after having realized connecting rod 2 and installing, form the protection to the junction, then improved good anticorrosion effect, and strong in stability, moreover, the structure is simple, further set up protective structure to include set up to the outer cover 3 that sets up outside connecting rod 2 and with connecting rod 2 outer wall sliding connection's outer cover 3, the protection of connecting rod 2, Set up the conflict spring 30 between outer cover 3 and gauge outfit, gauge outfit and outer cover 3 are connected respectively to the both ends of this conflict spring 30, form the reverse elastic support to outer cover 3 through conflict spring 30 to form the protection to connecting rod 2 and installation department through outer cover 3, simple structure, excellent in use effect
The utility model is further arranged that a sliding structure is arranged between the outer sleeve body 3 and the connecting rod 2, the sliding structure comprises an inner cylinder body 31 arranged on the inner wall of the outer sleeve body 3, a plurality of sliding blocks 310 arranged in the inner cylinder body 31 and sliding rails 311 arranged on the connecting rod 2 and matched with the sliding blocks 310, the sliding structure is arranged between the outer sleeve body 3 and the connecting rod 2, the sliding structure is arranged to comprise an inner cylinder body 31 arranged on the inner wall of the outer sleeve body 3, a plurality of sliding blocks 310 arranged in the inner cylinder body 31 and sliding rails 311 arranged on the connecting rod 2 and matched with the sliding blocks 310, and by adopting the matching between the sliding blocks 310 and the sliding rails 311, the connecting sliding stability between the inner cylinder body 31 and the outer sleeve body 3 is formed, thereby being convenient for forming the stability of the connecting part, the structure is simple, and the practical effect is strong.
The utility model is further arranged that the outer sleeve 3 comprises a main body structure 40 and an abutting structure 41 connected with the main body structure 40, the abutting structure 41 is made of rubber material, the bottom surface of the abutting structure 41 is arc-shaped, the outer sleeve 3 comprises the main body structure 40 and the abutting structure 41 connected with the main body structure 40, the abutting structure 41 is made of rubber material, the abutting structure 41 arranged on the rubber material realizes good contact effect with the installation position, the sealing effect is good, and the bottom surface of the abutting structure 41 is arc-shaped, and the arc-shaped structure deforms when being stressed, so that the reverse elastic supporting effect is formed, the stability is strong, and the structure is simple.
The utility model is further arranged that the sliding blocks 310 are uniformly distributed in the inner cylinder 31, the sliding blocks 310 arranged in the trapezoidal structure have strong stability, and the cross section of each sliding block 310 is trapezoidal, so that the stress stability of the sliding blocks 310 is improved, and the utility model has the advantages of simple structure, strong practicability and simple structure.
The outer diameter of the abutting spring 30 is gradually increased from one end connected with the outer sleeve 3 to the other end, and by adopting the structure, the abutting spring 30 is arranged into a table-shaped structure, so that the stressed area of the other end of the abutting spring 30 is larger when the abutting spring 30 is stressed, axial distortion is avoided when the spring is deformed, the stability is strong, and the structure is simple.
The utility model is further set that the ratio of the outer diameter of one end of the abutting spring 30 connected with the outer sleeve 3 to the outer diameter of the other end of the abutting spring 30 is 0.8-0.9, and the structure of the outer diameter of the abutting spring 30 with the ratio is adopted to form larger stability, and the outer diameter of the abutting spring 30 with the ratio reduces the axial distortion of the abutting spring 30 when stressed while ensuring the stressed supporting area, thereby improving the structural stability.
The utility model is further provided with a collision check ring 5 between the gauge outfit and the connecting rod 2, the cross section of the collision check ring 5 is in a trapezoid shape, and by adopting the structure, the cross section of the collision check ring 5 is in the trapezoid shape, so that the support strength is increased, the stability is strong, and the structure is simple.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art should be able to make general changes and substitutions within the technical scope of the present invention.
Claims (7)
1. The utility model provides a high protection vacuum pressure gauge, includes dial plate (1) and connecting rod (2) with dial plate (1) an organic whole connection, its characterized in that, be equipped with external screw thread (20) on connecting rod (2), and be equipped with the protective structure of cover outside connecting rod (2) on the connecting piece, this protective structure is including setting up in connecting rod (2) outside and with connecting rod (2) outer wall sliding connection's outer cover (3), set up conflict spring (30) between outer cover (3) and the gauge outfit, gauge outfit and outer cover (3) are connected respectively to the both ends of this conflict spring (30).
2. The high-protection vacuum pressure gauge according to claim 1, wherein a sliding structure is provided between the outer casing (3) and the connecting rod (2), and the sliding structure comprises an inner cylinder (31) disposed on the inner wall of the outer casing (3), a plurality of sliding blocks (310) disposed in the inner cylinder (31), and a sliding rail (311) disposed on the connecting rod (2) and adapted to the sliding blocks (310).
3. The vacuum pressure gauge with high protection as claimed in claim 2, wherein the outer casing (3) comprises a main structure (40) and an interference structure (41) connected to the main structure (40), the interference structure (41) is made of rubber material, and the bottom surface of the interference structure (41) is arc-shaped.
4. The high-protection vacuum pressure gauge according to claim 2, wherein each sliding block (310) is uniformly distributed in the inner cylinder (31), and the cross section of each sliding block (310) is trapezoidal.
5. A high protection vacuum pressure gauge according to claim 1, wherein the outer diameter of the interference spring (30) is gradually increased from one end connected with the outer casing (3) to the other end.
6. A high protection vacuum pressure gauge according to claim 5, characterized in that the ratio between the outer diameter of the end of the interference spring (30) connected to the outer casing (3) and the outer diameter of the other end of the interference spring (30) is between 0.8 and 0.9.
7. The high-protection vacuum pressure gauge according to claim 1, wherein an interference check ring (5) is further arranged between the gauge head and the connecting rod (2), and the cross section of the interference check ring (5) is trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122090552.4U CN215492219U (en) | 2021-08-31 | 2021-08-31 | High protection vacuum pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122090552.4U CN215492219U (en) | 2021-08-31 | 2021-08-31 | High protection vacuum pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215492219U true CN215492219U (en) | 2022-01-11 |
Family
ID=79766749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122090552.4U Active CN215492219U (en) | 2021-08-31 | 2021-08-31 | High protection vacuum pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215492219U (en) |
-
2021
- 2021-08-31 CN CN202122090552.4U patent/CN215492219U/en active Active
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