CN111189587A

CN111189587A - Limiting device of filter cavity airtightness detection machine

Info

Publication number: CN111189587A
Application number: CN202010145617.8A
Authority: CN
Inventors: 陈东
Original assignee: Meet Communication Equipment Suzhou Co ltd
Current assignee: Meet Communication Equipment Suzhou Co ltd
Priority date: 2020-03-05
Filing date: 2020-03-05
Publication date: 2020-05-22

Abstract

The invention relates to a limiting device of a filter cavity airtightness detector, which comprises a fixed seat, wherein a motor is arranged in the fixed seat, the output end of the motor is provided with a rotating rod, the top end of the rotating rod is provided with a worm wheel which is meshed and connected with a worm, two ends of the worm are fixedly connected with threaded rods, one end of each threaded rod is connected with the fixed seat through a bearing, the threaded rods at two ends of the worm are symmetrically provided with threads with opposite thread directions, the threaded rods are provided with threaded sleeves, the tops of the threaded sleeves are connected with a movable plate, a limiting chute is arranged at a position on the fixed seat corresponding to the movable plate, the limiting chute is connected with the movable plate through a limiting slide block in a sliding manner, one side opposite to the movable plate is provided with a buffer rod, one end of, the airtight detection work of the filter cavity is facilitated.

Description

Limiting device of filter cavity airtightness detection machine

Technical Field

The invention relates to a limiting device of a filter cavity airtightness detector, and belongs to the technical field of airtightness detectors.

Background

The filter is a frequency selection device, which can pass specific frequency components in the signal and greatly attenuate other frequency components, and the frequency selection function of the filter can be used for filtering interference noise or performing spectrum analysis, in other words, all devices or systems which can pass the specific frequency components in the signal and greatly attenuate or inhibit other frequency components are called as filters, after the filter is produced, the filters need to be subjected to an air tightness test for detecting whether the filters are qualified or not, wherein, in the detection process, the filters are firstly placed on the positioning seats, then an air tightness test mechanism is used for conducting an air ventilation test, wherein, generally, an operator presses the product with hands and then tests, in this way, the labor intensity of the operator is high, and meanwhile, in the air ventilation test process, when the operator presses the product, if the pressing force is too high, the product is easily crushed, and the quality is affected.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the existing defects and provide a limiting device of a filter cavity airtightness detector, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

airtight detection machine stop device of wave filter cavity, including the fixing base, be equipped with the motor in the fixing base, the dwang is installed to the motor output, the dwang top is equipped with the worm wheel, the worm wheel meshing is connected with the worm, worm both ends fixedly connected with threaded rod, just threaded rod one end is passed through the bearing and is connected the fixing base, the symmetry is equipped with screw thread opposite direction's screw thread on the threaded rod at worm both ends, be equipped with the thread bush on the threaded rod, the thread bush top is connected with the movable plate, the position that corresponds with the movable plate on the fixing base is equipped with spacing spout, just spacing spout passes through spacing slider sliding connection movable plate, the relative one side of movable plate is equipped with the buffer beam, buffer beam one end is connected with the clamp.

Furthermore, the fixing seat outside is equipped with the side ear, be equipped with fixing bolt on the side ear.

Further, the buffer rod includes shell, interior pole, limiting plate, buffer spring locates in the shell, buffer spring connects the limiting plate, pole in the limiting plate connection, just interior pole one end runs through the shell.

Furthermore, one side of the pressing plate opposite to each other is provided with a rubber anti-slip strip, and the rubber anti-slip strips are arranged in parallel.

Furthermore, the inner wall of the limiting groove is provided with a rubber pad, and the rubber pad is adhered to the fixed seat.

Furthermore, arc chamfers are arranged on the four corners of the top of the fixing seat and the limiting groove.

The invention has the beneficial effects that:

1. by arranging the structures such as the motor, the rotating rod, the worm wheel, the worm, the threaded rod, the threaded sleeve, the movable plate, the pressing plate and the like, the pressing plates are driven by the motor to be close to each other so as to clamp the filter, manual operation is not needed, the fixing effect is improved, and the input of manpower is reduced;

2. through setting up buffer beam, rubber antislip strip, rubber pad isotructure, can cushion the wave filter atress, avoid haring the wave filter, be favorable to protecting the wave filter, avoid influencing the quality of wave filter.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention.

FIG. 1 is a schematic view of the overall structure of a limiting device of an airtight detector for a filter cavity according to the present invention;

FIG. 2 is a top view of the limiting device of the filter cavity airtightness detector according to the present invention;

FIG. 3 is a schematic structural view of a buffer rod of the limiting device of the airtight detector for the cavity of the filter of the present invention;

FIG. 4 is a schematic structural diagram of a pressing plate of the limiting device of the airtight detector for filter cavities according to the present invention;

fig. 5 is a schematic structural view of a limiting chute of the limiting device of the filter cavity airtightness detector of the present invention.

Reference numbers in the figures: 1. a fixed seat; 2. a motor; 3. rotating the rod; 4. a worm gear; 5. a worm; 6. a threaded rod; 7. a threaded sleeve; 8. moving the plate; 9. a limiting chute; 10. a buffer rod; 11. pressing a plate; 12. a limiting groove; 13. a lateral ear; 14. fixing the bolt; 15. a housing; 16. an inner rod; 17. a limiting plate; 18. a buffer spring; 19. rubber antislip strips; 20. and (7) a rubber pad.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example 1

As shown in fig. 1-5, the limiting device of the airtight detector for the cavity of the filter comprises a fixing seat 1, a motor 2 is arranged in the fixing seat 1, a rotating rod 3 is installed at the output end of the motor 2, a worm wheel 4 is arranged at the top end of the rotating rod 3, the worm wheel 4 is meshed with a worm 5 for transmitting driving force, threaded rods 6 are fixedly connected to two ends of the worm 5, one end of each threaded rod 6 is connected with the fixing seat 1 through a bearing, threads with opposite thread directions are symmetrically arranged on the threaded rods 6 at two ends of the worm 5, threaded sleeves 7 are arranged on the threaded rods 6, the threaded sleeves 7 are close to each other when the threaded rods 6 rotate, a movable plate 8 is connected to the top of each threaded sleeve 7, a limiting chute 9 is arranged at a position on the fixing seat 1 corresponding to the movable plate 8, the limiting chute 9 is connected, the relative one side of movable plate 8 is equipped with buffer beam 10, buffer beam 10 one end is connected with

clamp plate

11, 1 top of fixing base is equipped with spacing groove 12, just clamp plate 11 is located spacing groove 12 both sides.

More specifically, 1 outside of fixing base is equipped with the auris lateralis 13, be equipped with fixing bolt 14 on the auris lateralis 13 for fix fixing base 1 on airtight detection machine, buffer beam 10 includes shell 15, interior pole 16, limiting plate 17, buffer spring 18 locates in the shell 15, limiting plate 17 is connected to buffer spring 18, interior pole 16 is connected to limiting plate 17, just interior pole 16 one end runs through shell 15, the relative one side of clamp plate 11 is equipped with rubber antislip strip 19, just the mutual parallel arrangement of rubber antislip strip 19, the wave filter slides when avoiding pressing from both sides tight wave filter, spacing groove 12 inner wall is equipped with rubber pad 20, just rubber pad 20 adhesion is on fixing base 1, avoids causing wearing and tearing to the wave filter, fixing base 1 all is equipped with the arc chamfer with spacing groove 12 top four corners, avoids fish tail staff.

Example 2

The outside of the fixing base 1 is provided with a heat dissipation through hole which penetrates through the fixing base and is used for heat dissipation of the motor 2 in the fixing base, so that the service life of the motor 2 is prevented from being influenced.

The working principle of the invention is as follows: during the use, the device is installed on airtight detection machine, arranges the wave filter in spacing groove 12, and starting motor 2, and then dwang 3 drives worm wheel 4 and rotates, and then worm 5 drives threaded rod 6 and rotates, and then the thread bush drives movable plate 8 and is close to each other, and then buffer beam 10 drives clamp plate 11 and is close to each other to press from both sides tight wave filter, in order to reach the purpose that improves the spacing effect of wave filter, be favorable to airtight detection machine's work.

The above embodiments are preferred embodiments of the present invention, and those skilled in the art can make variations and modifications to the above embodiments, therefore, the present invention is not limited to the above embodiments, and any obvious improvements, substitutions or modifications made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. Filter cavity airtightness detector limiting device comprises a fixing seat (1) and is characterized in that a motor (2) is arranged in the fixing seat (1), a rotating rod (3) is installed at the output end of the motor (2), a worm wheel (4) is arranged at the top end of the rotating rod (3), a worm (5) is meshed with the worm wheel (4), threaded rods (6) are fixedly connected to two ends of the worm (5), one end of each threaded rod (6) is connected with the fixing seat (1) through a bearing, threads with opposite thread directions are symmetrically arranged on the threaded rods (6) at two ends of the worm (5), a threaded sleeve (7) is arranged on each threaded rod (6), a movable plate (8) is connected to the top of each threaded sleeve (7), a limiting sliding groove (9) is arranged at a position, corresponding to the movable plate (8), of each fixing seat (1) is connected with the movable plate (8), the movable plate is characterized in that a buffer rod (10) is arranged on one side, opposite to the movable plate (8), of the movable plate, a pressing plate (11) is connected to one end of the buffer rod (10), a limiting groove (12) is formed in the top of the fixing seat (1), and the pressing plate (11) is arranged on two sides of the limiting groove (12).

2. The filter cavity airtightness detector limiting device according to claim 1, wherein: the fixing seat is characterized in that side lugs (13) are arranged on the outer side of the fixing seat (1), and fixing bolts (14) are arranged on the side lugs (13).

3. The filter cavity airtightness detector limiting device according to claim 1, wherein: buffer beam (10) include shell (15), interior pole (16), limiting plate (17), buffer spring (18) are located in shell (15), limiting plate (17) is connected in buffer spring (18), interior pole (16) is connected in limiting plate (17), just shell (15) is run through to interior pole (16) one end.

4. The filter cavity airtightness detector limiting device according to claim 1, wherein: the rubber anti-slip strip (19) is arranged on one side, opposite to the pressing plate (11), and the rubber anti-slip strips (19) are arranged in parallel.

5. The filter cavity airtightness detector limiting device according to claim 1, wherein: the inner wall of the limiting groove (12) is provided with a rubber pad (20), and the rubber pad (20) is adhered to the fixed seat (1).

6. The filter cavity airtightness detector limiting device according to claim 1, wherein: arc chamfers are arranged at four corners of the tops of the fixed seat (1) and the limiting groove (12).