CN216770876U

CN216770876U - Cover sealing mechanism of digital air pressure tester

Info

Publication number: CN216770876U
Application number: CN202122812582.1U
Authority: CN
Inventors: 刘道洲; 朱素阳; 牟丹; 刘洲; 徐国东
Original assignee: Shenzhen Lifeng Electronics Co ltd
Current assignee: Shenzhen Lifeng Electronics Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-06-17
Anticipated expiration: 2031-11-17

Abstract

The utility model relates to the technical field of pressure testing, in particular to a cover sealing mechanism of a digital air pressure tester, which comprises a tester body and two housings, wherein the tester body is positioned in the two housings; according to the utility model, the two housings can be synchronously closed and opened, the two closed housings have a good protection effect on the tester body, and the two housings are stable after being closed, so that the tester has good sealing property, the use of the tester body is prevented from being influenced by impurities, and the two housings are simple in opening and closing operation mode and convenient to use.

Description

Cover sealing mechanism of digital air pressure tester

Technical Field

The utility model relates to the field of pressure testing, in particular to a cover sealing mechanism of a digital air pressure tester.

Background

The air pressure tester is used for pressure-resistant and pressure-maintaining tests using helium and nitrogen as test media, and vacuum pressure-maintaining tests, and is also applied to refrigeration, air-conditioning and other production workshops which need to be inflated for pressure testing and vacuum leakage testing.

The prior art discloses partial patent documents related to the field of flow test, and a Chinese patent with application number of 202120537165.8, and discloses a gas pressure and flow test device, which comprises a main gas tank and a compensation tank, wherein one side of the main gas tank is provided with a gas pump, the input end of the gas pump is communicated with the inside of the main gas tank, the output end of the gas pump is communicated with a first gas pipe, the other end of the first gas pipe is communicated with a test pipe, the other end of the test pipe is communicated with a second gas pipe, and the second gas pipe is communicated with a residential building for gas supply; the test tube is provided with a barometer, the outside of the main gas tank is provided with a differential pressure meter, and two ends of the differential pressure meter are respectively connected into the first gas pipe and the main gas tank.

Air pressure tester mainly used tests atmospheric pressure, but when air pressure tester does not use, can adopt the shroud to cover it on the air pressure tester usually, can protect the tester on the one hand, and on the other hand can avoid other materials to get into the influence in the tester and use, and the leakproofness of tester is difficult to guaranteeing to current most shroud, and impurity such as water and dust causes the influence to the use of tester easily in getting into the tester easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a cover sealing mechanism of a digital air pressure tester.

In order to achieve the purpose, the utility model adopts the technical scheme that: a cover sealing mechanism of a digital air pressure tester comprises a tester body and two housings, wherein the tester body is positioned in the two housings, fixed frames are detachably connected to the surface of the tester body, fixed rods are fixedly connected to both side ends of each fixed frame, the two housings are respectively connected to the two fixed rods in a sliding manner, an elastic mechanism and a limiting mechanism are arranged on the two fixed rods, the elastic mechanism is used for controlling the two housings to seal the tester body, the limiting mechanism is used for limiting after the two housings are opened, a synchronous mechanism is arranged between the two housings, and the synchronous mechanism is used for controlling the two housings to be opened and closed simultaneously; during operation, make the tester body open and spill through pulling two shells, lazytongs makes two shells open simultaneously, two shells slide on two dead levers respectively, two dead levers are opened the back and are fixed through stop gear, stop gear makes two shells open the back and keep stable, the tester body can carry out the detection of pressure, when the tester body does not use, through opening stop gear, two shells of lazytongs control are closed after stop gear opens, two shells are closed through lazytongs and are covered the tester body, guarantee the leakproofness of tester body, avoid the entering of impurity, wherein fixed frame is used for connecting tester body and each part, fixed frame is installed on the tester body.

Preferably, the elastic mechanism comprises two springs and two rotating pieces, the two springs are respectively sleeved on the two fixing rods, the two springs are positioned at the ends far away from the two housings, and the two rotating pieces are respectively and rotatably connected to the ends far away from the two fixing rods; when the device works, the elastic forces generated by the two springs act on the two housings through the two rotating pieces respectively, and the two housings are kept stable after being closed through the elastic forces of the two springs.

Preferably, the limiting mechanism comprises two buckles and two clamping rods, the two buckles are fixedly connected to the two rotating sheets respectively, the two clamping rods are fixedly connected to the ends, far away from the two housings, of the two housings respectively, and the two clamping rods are matched with the two buckles respectively; during operation, stop gear opens at two shells and is to two shell restrictions, and two shells can drive two kellies respectively after opening and remove, correspond the back with two buckles respectively as two kellies, and two buckles rotate through two revolving fragments to restrict two kellies, two shells remain stable under the state of opening.

Preferably, the synchronizing mechanism comprises two racks and a gear, the two racks are respectively and fixedly connected in the two housings, the gear is rotatably connected to the top end of the fixed frame, and the two racks are both meshed and connected with the gear; during operation, any one of the housings moves to drive one rack to move, and the two racks move simultaneously through the gears, so that the two housings move simultaneously, the two housings are opened and closed more conveniently, and the housings do not need to be closed or opened independently.

Preferably, the two housings are fixedly connected with stabilizing rods, and the two racks are respectively connected to the two stabilizing rods in a sliding manner; during operation, the two racks can slide on the two stabilizing rods respectively, the two stabilizing rods enable the two racks to slide more stably, and the two housings are convenient to open and close more conveniently.

Preferably, the two fixing rods are fixedly connected with sealing pieces, and the two sealing pieces are respectively positioned in the two housings; during operation, two housings can contact with two sealing pieces after being closed, and the two sealing pieces fill the gap between the two housings and the joint of the two fixing rods, so that the sealing effect of the two housings is improved.

Preferably, one ends of the two shells close to each other are fixedly connected with sealing strips, and the two sealing strips correspond to each other; in operation, the two enclosers are closed to enable the two sealing strips to be in contact, and the sealing performance of the two enclosers after the two enclosers are closed is further improved by the two sealing strips.

Preferably, the two rotating sheets are fixedly connected with pressing sheets, and the two pressing sheets respectively correspond to the two buckles; the during operation enables the rotation of two revolving fragments more convenient through two preforming, and two buckles of being convenient for carry out the joint to two kellies in.

Preferably, the fixing frame is provided with a plurality of mounting holes; during operation, a plurality of mounting holes cooperate with the bolt, and the fixed frame of being convenient for is installed fixedly with the tester body.

Compared with the prior art, the utility model has the following beneficial effects: the tester body is opened and leaked by pulling the two housings, the two housings are opened simultaneously by the synchronizing mechanism, the two housings slide on the two fixing rods respectively, the two fixing rods are fixed by the limiting mechanism after being opened, the limiting mechanism enables the two housings to be kept stable after being opened, the tester body can detect pressure, when the tester body is not used, the limiting mechanism is opened, the elastic mechanism controls the two housings to be closed after the limiting mechanism is opened, the two housings cover the tester body by closing the synchronizing mechanism, the sealing performance of the tester body is ensured, and the impurities are prevented from entering, in the utility model, the two housings can be closed and opened synchronously, the two closed housings have good protection effect on the tester body, and the two housings are kept stable after being closed, have good sealing performance, and avoid the impurities from influencing the use of the tester body, meanwhile, the operation modes of opening and closing the two housings are simple, and the use is convenient.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of a part of the structure of the present invention;

FIG. 3 is an exploded view of the present invention;

fig. 4 is a cross-sectional view of the present invention.

In the figure: 1. a tester body; 2. a housing; 3. a fixing frame; 4. fixing the rod; 5. a spring; 6. rotating the sheet; 7. a rack; 8. a gear; 9. buckling; 10. a clamping rod; 11. a stabilizing rod; 12. sealing the sheet; 13. A sealing strip; 14. tabletting; 15. and (7) installing holes.

Detailed Description

The following description is presented to disclose the utility model so as to enable any person skilled in the art to practice the utility model. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1-4, the cover sealing mechanism of a digital air pressure tester comprises a tester body 1 and two housings 2, wherein the tester body 1 is located in the two housings 2, a fixed frame 3 is detachably connected to the surface of the tester body 1, fixed rods 4 are fixedly connected to both side ends of the fixed frame 3, the two housings 2 are respectively slidably connected to the two fixed rods 4, an elastic mechanism and a limiting mechanism are arranged on the two fixed rods 4, the elastic mechanism is used for controlling the two housings 2 to seal the tester body 1, the limiting mechanism is used for limiting after the two housings 2 are opened, a synchronization mechanism is arranged between the two housings 2, and the synchronization mechanism is used for controlling the two housings 2 to be opened and closed simultaneously; during operation, make tester body 1 open and spill through pulling two shells 2, lazytongs makes two shells 2 open simultaneously, two shells 2 slide on two dead levers 4 respectively, two dead levers 4 are opened the back and are fixed through stop gear, stop gear makes two shells 2 open the back and remain stable, tester body 1 can carry out the detection of pressure, when tester body 1 does not use, through opening stop gear, stop gear opens two shells 2 of back elastic mechanism control and closes, two shells 2 close tester body 1 through lazytongs, guarantee tester body 1's leakproofness, avoid the entering of impurity, wherein fixed frame 3 is used for connecting tester body 1 and each part, fixed frame 3 is installed on tester body 1.

The elastic mechanism comprises two springs 5 and two rotating pieces 6, the two springs 5 are respectively sleeved on the two fixing rods 4, the two springs 5 are positioned at the ends far away from the two housings 2, and the two rotating pieces 6 are respectively and rotatably connected to the ends far away from the two fixing rods 4; in operation, the two springs 5 generate elastic forces which act on the two housings 2 through the two rotating pieces 6, and the two housings 2 are kept stable after being closed through the elastic forces of the two springs 5.

The limiting mechanism comprises two buckles 9 and two clamping rods 10, the two buckles 9 are respectively and fixedly connected to the two rotating pieces 6, the two clamping rods 10 are respectively and fixedly connected to the ends, far away from the two housings 2, of the two housings, and the two clamping rods 10 are respectively matched with the two buckles 9; during operation, stop gear opens at two housings 2 and is to two housings 2 restrictions, and two housings 2 can drive two kellies 10 respectively after opening and remove, and after two kellies 10 corresponded with two buckles 9 respectively, two buckles 9 rotated through two rotor 6 to restrict two kellies 10, two housings 2 remain stable under the state of opening.

The synchronous mechanism comprises two racks 7 and a gear 8, the two racks 7 are respectively and fixedly connected in the two housings 2, the gear 8 is rotatably connected to the top end of the fixed frame 3, and the two racks 7 are respectively meshed with the gear 8; during operation, any one of the housings 2 moves to drive one of the racks 7 to move, and the two racks 7 move simultaneously through the gear 8, so that the two housings 2 move simultaneously, the two housings 2 are opened and closed more conveniently, and the one housing 2 does not need to be closed or opened independently.

The two housings 2 are internally and fixedly connected with stabilizing rods 11, and the two racks 7 are respectively connected to the two stabilizing rods 11 in a sliding manner; during operation, two racks 7 can slide on two stabilizing rods 11 respectively, and two stabilizing rods 11 make the slip of two racks 7 more stable, and the opening and closing of two housings 2 of being convenient for are more convenient.

The two fixing rods 4 are fixedly connected with sealing pieces 12, and the two sealing pieces 12 are respectively positioned in the two housings 2; during operation, two housings 2 can contact with two sealing pieces 12 after closing, and two sealing pieces 12 fill up the gap of two housings 2 and two dead lever 4 junctions, improve the sealed effect of two housings 2.

One ends of the two enclosers 2 close to each other are fixedly connected with sealing strips 13, and the two sealing strips 13 correspond to each other; in operation, the two sealing strips 13 are contacted when the two housings 2 are closed, and the two sealing strips 13 further improve the sealing performance of the two housings 2 after being closed.

The two rotating pieces 6 are fixedly connected with pressing pieces 14, and the two pressing pieces 14 correspond to the two buckles 9 respectively; during operation, the two pressing sheets 14 can enable the two rotating sheets 6 to rotate more conveniently, and the two buckles 9 can be clamped in the two clamping rods 10 conveniently.

A plurality of mounting holes 15 are drilled on the fixed frame 3; during operation, a plurality of mounting holes 15 cooperate with the bolt, and fixed frame 3 and tester body 1 of being convenient for are installed fixedly.

The working principle of the utility model is as follows:

when the tester body 1 needs to be used, the two enclosers 2 slide on the two fixing rods 4 by pulling the two enclosers 2 open, the two enclosers 2 are opened simultaneously by the two racks 7 and the gear 8, the tester body 1 leaks out by the two enclosers 2 after being pulled open, meanwhile, the two housings 2 compress the two springs 5, the two clamping rods 10 correspond to the two buckles 9, the two rotating pieces 6 respectively rotate the two buckles 9, the two buckles 9 are clamped with the two clamping rods 10, thereby limiting the two enclosers 2, keeping the two enclosers 2 stable after being opened, using the tester body 1, when tester body 1 does not use, through opening two buckles 9, the elasticity that two springs 5 produced acts on two housings 2 through two revolving fragment 6, and two housings 2 are close to mutually through two dead levers 4, and two housings 2 close tester body 1, realize sealed to tester body 1.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined by the appended claims and their equivalents.

Claims

1. A cover sealing mechanism of a digital air pressure tester comprises a tester body (1) and two housings (2), it is characterized in that the tester body (1) is positioned in the two enclosers (2), the surface of the tester body (1) is detachably connected with a fixed frame (3), both side ends of the fixed frame (3) are fixedly connected with fixed rods (4), the two housings (2) are respectively connected on the two fixed rods (4) in a sliding manner, the two fixed rods (4) are provided with an elastic mechanism and a limiting mechanism, the elastic mechanism is used for controlling the two enclosers (2) to seal the tester body (1), the limiting mechanism is used for limiting after the two enclosers (2) are opened, a synchronizing mechanism is arranged between the two enclosers (2), and the synchronizing mechanism is used for controlling the two enclosers (2) to be opened and closed simultaneously.

2. The cover sealing mechanism of the digital air pressure tester according to claim 1, wherein the elastic mechanism comprises two springs (5) and two rotating pieces (6), the two springs (5) are respectively sleeved on the two fixing rods (4), the two springs (5) are located at the ends of the two housings (2) far away from each other, and the two rotating pieces (6) are respectively rotatably connected to the ends of the two fixing rods (4) far away from each other.

3. The cover sealing mechanism of the digital air pressure tester according to claim 2, wherein the limiting mechanism comprises two buckles (9) and two clamping rods (10), the two buckles (9) are respectively and fixedly connected to the two rotating sheets (6), the two clamping rods (10) are respectively and fixedly connected to the ends of the two housings (2) far away from each other, and the two clamping rods (10) are respectively matched with the two buckles (9).

4. The cover sealing mechanism of the digital air pressure tester according to claim 3, wherein the synchronizing mechanism comprises two racks (7) and a gear (8), the two racks (7) are respectively and fixedly connected in the two housings (2), the gear (8) is rotatably connected to the top end of the fixed frame (3), and both racks (7) are engaged with the gear (8).

5. The cover sealing mechanism of the digital air pressure tester according to claim 4, wherein a stabilizing rod (11) is fixedly connected in each of the two housings (2), and the two racks (7) are slidably connected to the two stabilizing rods (11), respectively.

6. The cover sealing mechanism of the digital air pressure tester according to claim 5, wherein sealing pieces (12) are fixedly connected to the two fixing rods (4), and the two sealing pieces (12) are respectively located in the two housings (2).

7. The cover sealing mechanism of the digital air pressure tester according to claim 6, wherein a sealing strip (13) is fixedly connected to each of the two adjacent ends of the cover shells (2), and the two sealing strips (13) correspond to each other.

8. The cover sealing mechanism of the digital air pressure tester according to claim 7, wherein a pressing piece (14) is fixedly connected to each of the two rotating pieces (6), and the two pressing pieces (14) correspond to the two fasteners (9) respectively.

9. The cover sealing mechanism of a digital air pressure tester according to claim 8, wherein the fixing frame (3) is formed with a plurality of mounting holes (15).