CN217032927U

CN217032927U - Vacuum attenuation method leak detector

Info

Publication number: CN217032927U
Application number: CN202123438926.3U
Authority: CN
Inventors: 吴能文
Original assignee: Shanghai Qiyi Instrument Equipment Co ltd
Current assignee: Shanghai Qiyi Instrument Equipment Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-07-22
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a vacuum attenuation method leak detector which comprises a shell, a first supporting rod and a support, wherein a vacuum chamber is arranged on the inner wall of the shell, the first supporting rod is installed on the inner wall of the vacuum chamber, the support is installed on the inner wall of the shell, a motor is installed at the top of the first supporting rod, a threaded rod is installed at the output end of the motor, and a first sleeve is installed on the outer wall of the threaded rod. The motor, the sensor and the support plate are arranged, so that the effect of increasing the measurement precision by fixing the measured object is realized, the guide rod is used for facilitating the movement of the second support rod, the threaded rod rotates to drive the first sleeve to move, the first sleeve moves to drive the second support rod to move, the second support rod moves to drive the first spring to move, the support plate moves to drive the sensor to move, the motor stops rotating when the sensor moves to reach a set pressure value, so that the measured object is pressed tightly, and the function of increasing the measurement precision by fixing the measured object is realized.

Description

Vacuum attenuation method leak detector

Technical Field

The utility model relates to the technical field of vacuum leak detection, in particular to a vacuum attenuation method leak detector.

Background

The vacuum leak detector is a technology for judging whether a vacuum system, a container or a device leaks air or not by using a proper method, and determining the position and the leak rate of a leak hole, and the corresponding instrument is called a leak detector.

The existing vacuum attenuation method leak detector has the defects that:

patent document CN213748928U discloses a vacuum leak detector, the right item of protection "includes control console, detection room, connecting pipe and vacuum pump, the detection room includes vacuum chamber and sealed lid, the sealed lid outer wall has seted up the annular just sealed covering is equipped with the sealing washer, the sealing washer includes that the sealing part that the cover was located outside the sealed lid inlays the connecting portion of locating in the annular, connecting portion fixed connection is in the sealing part, sealed covering overcoat is equipped with the adjusting collar, the adjusting collar is the most advanced setting towards sealing washer one end and inlays and locate between sealing part and the sealed lid outer wall, the adjusting collar can be along the relative sealing part motion of sealed lid axial; when the sealing cover is arranged on the vacuum chamber, the sealing ring is abutted against the inner wall of the vacuum chamber. After the sealing ring is used for multiple times and is partially abraded, the adjusting sleeve can slide relative to the sealing cover, so that the sealing ring is pushed to the inner wall of the vacuum chamber, and the sealing performance of the vacuum chamber is improved. And further, after the vacuum leak detector is used for multiple times, the vacuum chamber can still keep better sealing property. "but there is no corresponding fixing mechanism to cause the measured object to be measured inaccurately, it is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a vacuum attenuation method leak detector to solve the problem of lack of a fixing mechanism in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a vacuum decay method leak detector, includes shell, first branch and support, the inner wall of shell is equipped with real empty room, first branch is installed to real empty room's inner wall, the support is installed to the inner wall of shell, the motor is installed at the top of first branch, the threaded rod is installed to the output of motor, first sleeve is installed to the outer wall of threaded rod, second branch is installed to first telescopic outer wall, first spring is installed to the bottom of second branch, the extension board is installed to the one end of first spring, the sensor is installed to the bottom of extension board, the guide bar is installed to the bottom of first branch, the vacuum pump is installed to the inner wall of shell, the display screen is installed to the outer wall of shell, the dial plate is installed to the outer wall of shell.

Preferably, the filter screen is installed to the outer wall of support, and the slide is installed to the outer wall of support, and the pulley is installed to the inner wall of slide, and third branch is installed to the one end of pulley, and the brush head is installed to the one end of third branch, and the second sleeve is installed to the one end of third branch, and the second spring is installed to the telescopic inner wall of second, and the telescopic inner wall of second runs through and installs the pull rod.

Preferably, a handle is mounted on the top of the housing.

Preferably, a door is installed at the top of the housing.

Preferably, the processor is mounted to the inner wall of the housing.

Preferably, the outer wall of the housing is provided with a button.

Preferably, the outer wall of the housing is provided with an opening.

Compared with the prior art, the utility model has the beneficial effects that:

1. the motor, the sensor and the support plate are arranged, so that the effect of increasing the measurement precision by fixing the measured object is realized, the guide rod is used for facilitating the movement of the second support rod, the motor rotates to drive the threaded rod to rotate, the threaded rod rotates to drive the first sleeve to move, the first sleeve moves to drive the second support rod to move, the second support rod moves to drive the first spring to move, the first spring moves to drive the support plate to move, the support plate moves to drive the sensor to move, the motor stops rotating to press the measured object when the sensor moves to reach a set pressure value, and the function of increasing the measurement precision by fixing the measured object is realized;

2. the device is provided with the pull rod, the brush head and the pulley, so that the effect of prolonging the service life of the device by dedusting is realized, the slideway has the function of providing a moving place for the pulley, the second sleeve has the function of providing a support for the pull rod, the filter screen has the function of intercepting stains, the pull rod is pulled to drive the second spring to move, the second spring moves to enable the pull rod to move out of the slideway, the pull rod is pushed to drive the third supporting rod to move, the third supporting rod moves to drive the pulley to move, the pulley moves to enable the brush head to move, the brush head moves to remove the stains on the filter screen, and the function of prolonging the service life of the device by dedusting is realized.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic view of a first strut portion configuration of the present invention;

fig. 4 is a schematic structural view of a part of the bracket of the utility model.

In the figure: 1. a housing; 101. a handle; 2. a first support bar; 201. a motor; 202. a first sleeve; 203. A threaded rod; 204. a second support bar; 205. a first spring; 206. a support plate; 207. a sensor; 208. A guide rod; 3. a support; 301. a second sleeve; 302. a second spring; 303. a pull rod; 304. a pulley; 305. a slideway; 306. a third strut; 307. a brush head; 308. filtering with a screen; 4. a vacuum chamber; 401. a machine door; 5. a vacuum pump; 501. a processor; 6. a display screen; 601. a button; 7. a dial plate; 701. and (4) opening.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1: referring to fig. 1 and 2, a vacuum attenuation method leak detector includes a housing 1, a first supporting rod 2 and a bracket 3, the housing 1 is used for protecting the device, the first supporting rod 2 is used for supporting a motor 201, the bracket 3 is used for supporting a slideway 305, a vacuum chamber 4 is arranged on the inner wall of the housing 1, the vacuum chamber 4 is used for allowing an article to pass through a measurement place, the first supporting rod 2 is arranged on the inner wall of the vacuum chamber 4, the bracket 3 is arranged on the inner wall of the housing 1, a vacuum pump 5 is arranged on the inner wall of the housing 1, the vacuum pump 5 is used for extracting vacuum, a display screen 6 is arranged on the outer wall of the housing 1, the display screen 6 is used for displaying the state of the device, a dial 7 is arranged on the outer wall of the housing 1, the dial 7 is used for displaying a pressure value, a handle 101 is arranged on the top of the housing 1, the handle 101 is used for facilitating the movement of the device, a door 401 is arranged on the top of the housing 1, the door 401 is used for providing sealing for the vacuum chamber 4, the processor 501 is mounted on the inner wall of the housing 1, the processor 501 is used for processing signals, the button 601 is mounted on the outer wall of the housing 1, the button 601 is used for controlling the state of the device, the opening 701 is formed in the outer wall of the housing 1, and the opening 701 is used for providing heat dissipation for the device.

Example 2: referring to fig. 3, a motor 201 is installed on the top of a first supporting rod 2, a threaded rod 203 is installed at the output end of the motor 201, a first sleeve 202 is installed on the outer wall of the threaded rod 203, a second supporting rod 204 is installed on the outer wall of the first sleeve 202, a first spring 205 is installed at the bottom of the second supporting rod 204, a supporting plate 206 is installed at one end of the first spring 205, a sensor 207 is installed at the bottom of the supporting plate 206, a guide rod 208 is installed at the bottom of the first supporting rod 2, the guide rod 208 is used for facilitating the movement of the second supporting rod 204, the motor 201 rotates to drive the threaded rod 203 to rotate, the threaded rod 203 rotates to drive the first sleeve 202 to move, the first sleeve 202 moves to drive the second supporting rod 204 to move, the second supporting rod 204 moves to drive the first spring 205 to move, the first spring 205 moves to drive the supporting plate 206 to move, the supporting plate 206 moves to drive the sensor 207 to move, the motor 201 stops rotating to press a measured object when the sensor 207 moves to reach a set pressure value, the function of increasing the measurement precision by fixing the measured object is realized.

Example 3: referring to fig. 4, a filter screen 308 is installed on an outer wall of the bracket 3, a slide 305 is installed on the outer wall of the bracket 3, a pulley 304 is installed on an inner wall of the slide 305, a third support rod 306 is installed at one end of the pulley 304, a brush head 307 is installed at one end of the third support rod 306, a second sleeve 301 is installed at one end of the third support rod 306, a second spring 302 is installed on an inner wall of the second sleeve 301, a pull rod 303 is installed through an inner wall of the second sleeve 301, the slide 305 is used for providing a moving place for the pulley 304, the second sleeve 301 is used for providing support for the pull rod 303, the filter screen 308 is used for intercepting dirt, the pull rod 303 is pulled to drive the second spring 302 to move, the second spring 302 moves to move the pull rod 303 out of the slide 305, the pull rod 303 is pushed to drive the third support rod 306 to move, the third support rod 306 moves to drive the pulley 304 to move, the brush head 307 moves to remove dirt of the filter screen 308, the function of prolonging the service life of the device for dedusting is realized.

The working principle is that the shell 1 is used for protecting the device, the first support rod 2 is used for supporting the motor 201, the support 3 is used for supporting the slideway 305, the vacuum chamber 4 is used for allowing an object to pass through a measuring place, the vacuum pump 5 is used for pumping vacuum, the display screen 6 is used for displaying the state of the device, the dial 7 is used for displaying a pressure value, the guide rod 208 is used for facilitating the movement of the second support rod 204, the motor 201 rotates to drive the threaded rod 203 to rotate, the threaded rod 203 rotates to drive the first sleeve 202 to move, the first sleeve 202 moves to drive the second support rod 204 to move, the second support rod 204 moves to drive the first spring 205 to move, the first spring 205 moves to drive the support plate 206 to move, the support plate 206 moves to drive the sensor 207 to move, when the sensor 207 moves to reach a set pressure value, the motor 201 stops rotating to press the measured object, the function of fixing a measured object and increasing the measurement precision is realized, the slide 305 is used for providing a moving place for the pulley 304, the second sleeve 301 is used for supporting the pull rod 303, the filter screen 308 is used for intercepting stains, the pull rod 303 is pulled to drive the second spring 302 to move, the second spring 302 moves to enable the pull rod 303 to move out of the slide 305, the pull rod 303 is pushed to drive the third supporting rod 306 to move, the third supporting rod 306 moves to drive the pulley 304 to move, the pulley 304 moves to enable the brush head 307 to move, the brush head 307 moves to remove the stains on the filter screen 308, and the function of prolonging the service life of the device through dedusting is realized.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A vacuum attenuation method leak detector, includes shell (1), first branch (2) and support (3), its characterized in that: the inner wall of shell (1) is equipped with vacuum chamber (4), first branch (2) are installed to the inner wall of vacuum chamber (4), support (3) are installed to the inner wall of shell (1), motor (201) are installed at the top of first branch (2), threaded rod (203) are installed to the output of motor (201), first sleeve (202) are installed to the outer wall of threaded rod (203), second branch (204) are installed to the outer wall of first sleeve (202), first spring (205) are installed to the bottom of second branch (204), extension board (206) are installed to the one end of first spring (205), sensor (207) are installed to the bottom of extension board (206), guide bar (208) are installed to the bottom of first branch (2), vacuum pump (5) are installed to the inner wall of shell (1), display screen (6) are installed to the outer wall of shell (1), the outer wall of the shell (1) is provided with a dial (7).

2. A vacuum decay leak detector according to claim 1, wherein: filter screen (308) are installed to the outer wall of support (3), slide (305) are installed to the outer wall of support (3), pulley (304) are installed to the inner wall of slide (305), third branch (306) are installed to the one end of pulley (304), brush head (307) are installed to the one end of third branch (306), second sleeve (301) are installed to the one end of third branch (306), second spring (302) are installed to the inner wall of second sleeve (301), the inner wall of second sleeve (301) runs through and installs pull rod (303).

3. A vacuum decay leak detector according to claim 1, wherein: the top of the shell (1) is provided with a handle (101).

4. A vacuum decay leak detector according to claim 1, wherein: the top of the shell (1) is provided with a machine door (401).

5. A vacuum decay leak detector according to claim 1, wherein: the inner wall of the shell (1) is provided with a processor (501).

6. A vacuum decay method leak detector as defined in claim 1 wherein: the outer wall of the shell (1) is provided with a button (601).

7. A vacuum decay method leak detector as defined in claim 1 wherein: the outer wall of the shell (1) is provided with an opening (701).