Portable vacuum measuring device

Abstract

The utility model discloses a portable vacuum measuring device, and relates to the technical field of vacuum measuring devices. The vacuum measuring device comprises a vacuum measuring device body, one end of the vacuum measuring device body is connected with an air inlet pipe, one end of the vacuum measuring device body is provided with a part box sleeved on the air inlet pipe, one side of the part box is oppositely and elastically matched with a protective cover corresponding to the air inlet pipe in a sliding mode, and a tension spring is arranged between the protective cover and the part box. The part box is slidably sleeved with a sliding frame, and a transmission plate is hinged between the protection cover and the sliding frame. The sliding frame is pulled to slide through the positioning handle bolt, the sliding frame drives the protection cover to slide through the transmission plate, the air inlet pipe is covered through the protection cover, and then the positioning handle bolt is screwed into the positioning groove in a rotating mode, so that the positioning stability of the sliding frame is improved, the positioning stability of the protection cover is improved, and the protection effect on the air inlet pipe is improved.

Description

Technical Field

[0001] The utility model belongs to the field of vacuum measurement devices, and more specifically, relates to a portable vacuum measurement device. Background Art

[0002] A vacuum gauge is an instrument for measuring the pressure of a gas or vapor below one standard atmospheric pressure.

[0003] Chinese Patent with publication number CN219178802U discloses a portable vacuum measurement device. By turning the fastening knob, the upper movable plate can rotate along the fastening knob. Pull the baffle outwards, the upper movable plate rotates along the fastening knob, the lower movable plate rotates along the pin shaft, driving the outer shell to rotate, the side groove is stuck on the outside of the vacuum measurement device body, and the two outer shells and the movable sleeve rotate, and the two movable sleeves are separated from each other.

[0004] However, for the above-mentioned portable vacuum measurement device, by manually rotating the fastening knob, the threaded extrusion positions the elastically rotating movable plate, and the extrusion force on the movable plate is small, and the positioning effect is low. When carrying the vacuum measurement device body, when the extrusion force on the movable plate is greater than the extrusion force of the fastening knob, the movable plate will be extruded and rotated, and the intake pipe will be damaged by the sleeve, affecting the use of the vacuum measurement device body.

[0005] In view of this, the present utility model is specifically proposed. Content of the Utility Model

[0006] The technical problem to be solved by the present utility model is to overcome the deficiencies of the prior art and provide a portable vacuum measurement device.

[0007] To solve the above technical problem, the basic concept of the technical solution adopted by the present utility model is:

[0008] A portable vacuum measurement device includes a vacuum measurement device body. One end of the vacuum measurement device body is connected with an intake pipe. One end of the vacuum measurement device body is provided with a parts box sleeved on the intake pipe. On one side of the parts box, a protective cover corresponding to the intake pipe is elastically slidably fitted. A tension spring is arranged between the protective cover and the parts box. A sliding frame is slidably sleeved on the parts box. A transmission plate is hinged between the protective cover and the sliding frame. A positioning handle bolt is in threaded fit on one side of the sliding frame. A positioning groove corresponding to the positioning handle bolt is provided on one side of the parts box.

[0009] Optionally, a guiding channel corresponding to the protective cover is provided on one side of the parts box. A sliding protrusion is connected to the inner wall of the protective cover, and the sliding protrusion is slidably fitted in the guiding channel.

[0010] Optionally, the tension spring is fixed between the sliding protrusion and the inner wall of the guiding channel, and the two sliding protrusions are in contact with the side surface of the intake pipe.

[0011] Optionally, openings are provided on both sides of the protective cover close to the parts box and the air inlet pipe, and a convex portion connected to the sliding convex is provided on the inner wall of the protective cover.

[0012] Optionally, the guiding channel is in a cross-shaped channel structure, and the sliding convex is in a cross-shaped block structure.

[0013] Optionally, guiding sliding grooves are provided on the opposite outer sides of the parts box, guiding blocks are provided on the opposite inner walls of the sliding frame, and the guiding blocks are slidably fitted in the guiding sliding grooves.

[0014] Optionally, a first notch corresponding to the transmission plate is provided on one side of the guiding block, a second notch corresponding to the transmission plate is provided on one side of the sliding convex, and both ends of the transmission plate are slidably fitted in the first notch and the second notch respectively.

[0015] Optionally, the sliding frame is in a square frame structure, the two transmission plates are in a V-shaped structure, and a hole corresponding to the air inlet pipe is provided at one end of the parts box.

[0016] After adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art. Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described below:

[0017] By turning the positioning handle bolt out of the positioning groove, the tension spring pulls the protective cover to slide. The protective cover drives the sliding frame to slide through the transmission plate, separating the two protective covers, enabling the air inlet pipe to contact the external gas. The positioning handle bolt pulls the sliding frame to slide, and the sliding frame drives the protective cover to slide through the transmission plate. Then, the air inlet pipe is covered by the protective cover, and then the positioning handle bolt is rotated and screwed into the positioning groove to improve the positioning stability of the sliding frame, improve the positioning stability of the protective cover, and improve the protection effect on the air inlet pipe.

[0018] The following further describes in detail the specific implementation manners of the utility model with reference to the drawings. Description of the Drawings

[0019] The following drawings in the description are only some embodiments. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts. In the drawings:

[0020] Figure 1 is a three-dimensional structural schematic diagram of an embodiment of the utility model;

[0021] Figure 2 is a cross-sectional structural schematic diagram of an embodiment of the utility model;

[0022] Figure 3 is a cross-sectional structural schematic diagram of the parts box of an embodiment of the utility model;

[0023] Figure 4Schematic diagram of the protective cover structure according to an embodiment of the present utility model;

[0024] In the attached drawings, the list of components represented by each reference numeral is as follows:

[0025] Vacuum measurement device body 1, intake pipe 2, parts box 3, guiding channel 301, guiding sliding groove 302, protective cover 4, sliding protrusion 401, opening 402, protruding portion 403, second notch 404, hole 405, tension spring 5, sliding frame 6, guiding block 601, first notch 602, transmission plate 7, positioning handle bolt 8, positioning groove 9.

[0026] It should be noted that these attached drawings and text descriptions are not intended to limit the conception scope of the present utility model in any way, but to illustrate the concept of the present utility model to those skilled in the art by referring to specific embodiments. Specific embodiments

[0027] Now, the present utility model will be further described in detail with reference to the attached drawings.

[0028] Please refer to Figures 1-4 As shown, in this embodiment, a portable vacuum measurement device is provided, including a vacuum measurement device body 1. One end of the vacuum measurement device body 1 is connected with an intake pipe 2. One end of the vacuum measurement device body 1 is provided with a parts box 3 sleeved on the intake pipe 2. On one side of the parts box 3, a protective cover 4 corresponding to the intake pipe 2 is elastically slidably fitted in an opposite direction. A tension spring 5 is arranged between the protective cover 4 and the parts box 3. A sliding frame 6 is slidably sleeved on the parts box 3. A transmission plate 7 is hinged between the protective cover 4 and the sliding frame 6. One side of the sliding frame 6 is in threaded fit with a positioning handle bolt 8. One side of the parts box 3 is provided with a positioning groove 9 corresponding to the positioning handle bolt 8.

[0029] By turning the positioning handle bolt 8 out of the positioning groove 9, the tension spring 5 pulls the protective cover 4 to slide. The protective cover 4 drives the sliding frame 6 to slide through the transmission plate 7, so that the two protective covers 4 are separated, and the intake pipe 2 is in contact with the external gas. The positioning handle bolt 8 pulls the sliding frame 6 to slide. The sliding frame 6 drives the protective cover 4 to slide through the transmission plate 7. The intake pipe 2 is covered by the protective cover 4. Then, the positioning handle bolt 8 is rotated and screwed into the positioning groove 9 to improve the positioning stability of the sliding frame 6, improve the positioning stability of the protective cover 4, and improve the protection effect on the intake pipe 2.

[0030] Please refer to Figure 2As shown in the figure, on one side of the parts box 3 of this embodiment, there is a guiding channel 301 corresponding to the protective cover 4. Inside the inner wall of the protective cover 4, there is a sliding protrusion 401 which is slidably engaged in the guiding channel 301. The tension spring 5 is fixed between the sliding protrusion 401 and the inner wall of the guiding channel 301. The two sliding protrusions 401 are in contact with the side of the air inlet pipe 2. On both sides of the protective cover 4 close to the parts box 3 and the air inlet pipe 2, there are openings 402. Inside the inner wall of the protective cover 4, there is a protruding part 403 connected to the sliding protrusion 401, which is convenient for guiding the sliding of the sliding protrusion 401 through the guiding channel 301 and improving the sliding stability of the protective cover 4. By setting the protruding part 403, while the protective cover 4 protects the air inlet pipe 2, it can block the guiding channel 301, reducing the entry of garbage or dust into the parts box 3 through the guiding channel 301 when carrying the vacuum measuring device body 1.

[0031] Please refer to Figure 2 、 4 As shown in the figure, the guiding channel 301 of this embodiment is in a cross-shaped channel structure, and the sliding protrusion 401 is in a cross-shaped block structure, which is convenient for guiding the sliding of the sliding protrusion 401 through the guiding channel 301 and improving the sliding stability of the protective cover 4.

[0032] Please refer to Figure 2 As shown in the figure, on the opposite outer sides of the parts box 3 of this embodiment, there are guiding sliding grooves 302. On the opposite inner walls of the sliding frame 6, there are guiding blocks 601 which are slidably engaged in the guiding sliding grooves 302. This is convenient for the sliding frame 6 to be hinged to the transmission plate 7 through the guiding blocks 601. After the sliding frame 6 is positioned, it can block the guiding sliding grooves 302, reducing the entry of garbage or dust into the parts box 3 through the guiding sliding grooves 302 when carrying the vacuum measuring device body 1.

[0033] Please refer to Figure 2 As shown in the figure, on one side of the guiding block 601, there is a first notch 602 corresponding to the transmission plate 7. On one side of the sliding protrusion 401, there is a second notch 404 corresponding to the transmission plate 7. The two ends of the transmission plate 7 are respectively slidably engaged in the first notch 602 and the second notch 404, which is convenient for improving the hinging stability of the transmission plate 7 with the sliding protrusion 401 and the guiding block 601.

[0034] Please refer to Figure 2 As shown in the figure, the sliding frame 6 of this embodiment is in a square frame structure, and the two transmission plates 7 are in a V-shaped structure. At one end of the parts box 3, there is a hole 405 corresponding to the air inlet pipe 2, which is convenient for the parts box 3 to be sleeved on the air inlet pipe 2 and installed on the vacuum measuring device body 1.

[0035] Working principle: Unscrew the positioning handle bolt 8 from the positioning groove 9, and the tension spring 5 pulls the sliding protrusion 401 to slide. The sliding protrusion 401 pulls the protective cover 4 to slide through the protrusion 403. The sliding protrusion 401 drives the sliding frame 6 to slide through the transmission plate 7, separating the two protective covers 4, enabling the intake pipe 2 to contact the external gas. By setting the protrusion 403, while the protective cover 4 protects the intake pipe 2, it is convenient to block the guiding channel 301, reducing the entry of garbage or dust into the parts box 3 through the guiding channel 301 when carrying the vacuum measuring device body 1. After using the intake pipe 2, pull the sliding frame 6 to slide through the positioning handle bolt 8. The sliding frame 6 drives the protrusion 403 to slide through the transmission plate 7. The protrusion 403 pulls the protective cover 4 to slide through the protrusion 403. The intake pipe 2 is covered by the protective cover 4, and then the positioning handle bolt 8 is rotated and screwed into the positioning groove 9 to improve the positioning stability of the sliding frame 6, the positioning stability of the protective cover 4, and the protection effect on the intake pipe 2.

[0036] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art. All the electrical appliances in this utility model are powered by an external power supply or an internal battery. No restrictions are imposed on the models and specific types of all the electrical appliances in this utility model. Those skilled in the art can clearly use the applicable electrical appliance models, specific types, and electrical appliance power supply methods according to the common knowledge in this field.

[0037] This utility model is not limited to the above embodiments. Anyone should know that the structural changes made under the inspiration of this utility model, as long as they have the same or similar technical solutions as this utility model, fall within the protection scope of this utility model. The technologies, shapes, and structures not described in detail in this utility model are all well-known technologies.

Claims

1. A portable vacuum measuring device, characterized in that, Including: The main body (1) of the vacuum measurement device, one end of the main body (1) of the vacuum measurement device is connected with an intake pipe (2), a parts box (3) sleeving the intake pipe (2) is arranged at one end of the main body (1) of the vacuum measurement device, a protective cover (4) corresponding to the intake pipe (2) is elastically and slidably matched in opposite directions on one side of the parts box (3), a tension spring (5) is arranged between the protective cover (4) and the parts box (3), a sliding frame (6) is slidably sleeved on the parts box (3), a transmission plate (7) is hinged between the protective cover (4) and the sliding frame (6), a positioning handle bolt (8) is in threaded fit on one side of the sliding frame (6), and a positioning groove (9) corresponding to the positioning handle bolt (8) is arranged on one side of the parts box (3).

2. The portable vacuum measuring device according to claim 1, characterized in that A guiding channel (301) corresponding to the protective cover (4) is arranged on one side of the parts box (3), a sliding protrusion (401) is connected to the inner wall of the protective cover (4), and the sliding protrusion (401) is slidably matched in the guiding channel (301).

3. The portable vacuum measuring device according to claim 2, characterized in that, The tension spring (5) is fixed between the sliding protrusion (401) and the inner wall of the guiding channel (301), and the two sliding protrusions (401) are attached to the side surface of the intake pipe (2).

4. A portable vacuum measuring device according to claim 2, characterized in that, Openings (402) are arranged on both sides of the protective cover (4) close to the parts box (3) and the intake pipe (2), and a protruding part (403) connected to the sliding protrusion (401) is arranged on the inner wall of the protective cover (4).

5. The portable vacuum measuring device according to claim 2, characterized in that, The guiding channel (301) is in a cross-shaped channel structure, and the sliding protrusion (401) is in a cross-shaped block structure.

6. The portable vacuum measuring device according to claim 1, wherein Guiding sliding grooves (302) are arranged on the opposite outer sides of the parts box (3), guiding blocks (601) are arranged on the opposite inner walls of the sliding frame (6), and the guiding blocks (601) are slidably matched in the guiding sliding grooves (302).

7. A portable vacuum measuring device according to claim 6, characterized in that, A first notch (602) corresponding to the transmission plate (7) is arranged on one side of the guiding block (601), a second notch (404) corresponding to the transmission plate (7) is arranged on one side of the sliding protrusion (401), and both ends of the transmission plate (7) are slidably matched in the first notch (602) and the second notch (404).

8. A portable vacuum measuring device according to claim 1, characterized in that, The sliding frame (6) is in a square frame structure, the two transmission plates (7) are in a V-shaped structure, and a hole (405) corresponding to the intake pipe (2) is arranged at one end of the parts box (3).

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