CN205879513U - Interphone body negative pressure test fixture - Google Patents
Interphone body negative pressure test fixture Download PDFInfo
- Publication number
- CN205879513U CN205879513U CN201620771420.4U CN201620771420U CN205879513U CN 205879513 U CN205879513 U CN 205879513U CN 201620771420 U CN201620771420 U CN 201620771420U CN 205879513 U CN205879513 U CN 205879513U
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- CN
- China
- Prior art keywords
- plate
- guide pillar
- call body
- negative pressure
- pressure test
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses an interphone body negative pressure test fixture, including support, handle lever, pull rod, interphone body mount pad and straight hand lever, there is the board of deciding support upper end through the fix with screw, and the spring guide pillar is installed to the both sides of deciding on the board, and the outside of spring guide pillar has cup jointed the spring, the pull rod is installed to the below of spring guide pillar, and the pull rod run through the support with decide the board and through the fix with screw on deciding the movable plate on one side of the board, cam block is installed through the round pin axle to the movable plate was kept away from to the pull rod one end, and the cam separation blade is installed to cam block's both sides, cam block is last to have a handle lever through mounting screw, and the other end of handle lever has a straight hand lever through mounting screw, install interphone body mount pad in the movable plate one side of interphone body mount pad is equipped with logical the pipe connection. The utility model discloses not only accessible cam block realizes realizing the locking of mechanism sealing, moreover compact structure through the sealing washer, simple manufacture, convenient operation.
Description
Technical field
This utility model relates to body testing equipment technical field of conversing, and is specially one call body negative pressure test folder
Tool.
Background technology
Call body is as parts of conversing in canister respirator, and detection of negative pressure is its main performance index.Due to call body
Being to be assembled by working of plastics main body, call membrane module and outlet valve sheet, its structure is complicated, is difficult to clamping during test.This reality
By novel pin, the problems referred to above are designed, the compact conformation of design, light weight；Technique makes simple, it is simple to operation.
Summary of the invention
The purpose of this utility model is to provide a kind of call body negative pressure test fixture, to solve in above-mentioned background technology
The problem proposed, is had the beneficial effect that the locking realizing mechanism not only by cam bit, is realized by sealing ring close
Envelope, and compact conformation；Make simple, easy to operate.
For achieving the above object, the following technical scheme of this utility model offer:
A kind of call body negative pressure test fixture, including bearing, tiller, pull bar, call body mounting seat and straight hands
Handle, described bearing upper end is fixed with by screw determines plate, and the both sides determining plate upper end are provided with outside spring guide pillar, and spring guide pillar
Side is socketed with spring, and the lower section of described spring guide pillar is provided with pull bar, and pull bar is run through bearing and determines plate and fixed by screw
On the dynamic plate determining plate side, described pull bar is provided with cam bit away from one end of dynamic plate by bearing pin, the both sides peace of cam bit
Equipped with cam catch, described cam bit being provided with tiller by screw, the other end of tiller is installed by screw
There is straight hand lever, call body mounting seat is installed in described dynamic plate, call body is installed in call body mounting seat, described logical
The side of words body mounting seat is provided with connection for breather pipe.
Preferably, described tiller connects cam bit and straight hand lever, realizes locking by cam bit rotational angle.
Preferably, described dynamic plate is arranged on the side determining plate, and the side determining the close dynamic plate of plate is provided with sealing ring.
Preferably, one end that described pull bar is connected with dynamic plate is cylindrical, and one end that pull bar is connected with cam bit is rectangular
Body shape.
Preferably, the upper end of described call body mounting seat is fixed with handle, between communication mounting seat and communication is
Detachable connection, so call body mounting seat can make more than one piece, be used interchangeably in process of the test.
Preferably, described spring is fixed on by spring guide pillar to be determined between plate and dynamic plate, and one end of spring guide pillar is fixed
Determining on plate, the other end of spring guide pillar is movable end.
Compared with prior art, the beneficial effects of the utility model are: this equipment, can by installing cam bit on pull bar
By the angle of straight hand lever rotatable cam blocks, cam bit is connected with pull bar simultaneously, drives dynamic plate and call body to pacify by pull bar
Dress seat moves, when cam bit turns to straight flange position, it is achieved mechanism locks, and dynamic strip is dynamic to be conversed body mounting seat and determine plate pressure
Tightly, determine to arrange on plate sealing ring, it is ensured that sealing effectiveness, and compact conformation；Make simple, easy to operate.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model；
Fig. 2 is top view of the present utility model；
Fig. 3 is the front view under this utility model use state；
Fig. 4 is the top view under this utility model use state.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
Refer to Fig. 1-4, a kind of embodiment that this utility model provides: a kind of call body negative pressure test fixture, including
Bearing 1, tiller 3, pull bar 8, call body mounting seat 9 and straight hand lever 14, bearing 1 upper end is fixed with by screw determines plate 2,
The both sides determining plate 2 upper end are provided with spring guide pillar 4, and the outer sheath of spring guide pillar 4 is connected to spring 7, and spring 7 passes through spring guide pillar
4 are fixed on and determine between plate 2 and dynamic plate 6, and one end of spring guide pillar 4 is fixed on and determines on plate 2, and the other end of spring guide pillar 4 is for living
Moved end, the lower section of spring guide pillar 4 is provided with pull bar 8, and pull bar 8 runs through bearing 1 and determines plate 2 and be fixed by screws in determine plate 2
On the dynamic plate 6 of side, dynamic plate 6 is arranged on the side determining plate 2, and the side determining the close dynamic plate 6 of plate 2 is provided with sealing ring 10, draws
One end that bar 8 is connected with dynamic plate 6 is cylindrical, and one end that pull bar 8 is connected with cam bit 11 is rectangular-shaped, and pull bar 8 is away from dynamic
One end of plate 6 is provided with cam bit 11 by bearing pin, and the both sides of cam bit 11 are provided with cam catch 12, and cam bit 11 passes through
Screw is provided with tiller 3, and the other end of tiller 3 is provided with straight hand lever 14 by screw, is provided with call in dynamic plate 6
Body mounting seat 9, the upper end of call body mounting seat 9 is fixed with two handles 5, is provided with call in call body mounting seat 9
Body 15, the side of call body mounting seat 9 is provided with connection for breather pipe 13.
Operation principle: during use, under fixture open mode, holds handle 5 and call body mounting seat 9 is taken out, logical
Words body mounting seat 9 is installed call body 15, call body mounting seat 9 is inserted in dynamic plate 6, holds straight hand lever 14, downwards
Pulling cam bit 11, cam bit 11 drives pull bar 8, so that dynamic plate 6 moves to dynamic plate 2, cam bit 11 forwards straight flange position to,
Fixture locking, determines the sealing ring 10 on plate 2 and presses call body mounting seat 9, connection for breather pipe 13 air inlet test, test complete
After, hold straight hand lever 14, upwards pull cam bit 11 and arrive lower straight flange position, spring 7 jointly act on and flick dynamic plate 6, mention logical
Words body mounting seat 9, takes out call body 15.In call body mounting seat 9 process of the test, body 15 of not test (N.T.) being conversed is installed
In another part call body mounting seat 9, after fixture to be opened takes out testpieces, it is inserted directly into another part call body mounting seat
9 carry out test next time.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it is possible to realize this practicality in other specific forms new
Type.Therefore, no matter from the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, this practicality is new
The scope of type is limited by claims rather than described above, it is intended that by the containing of equivalency in claim that fall
All changes in justice and scope are included in this utility model.Should not be considered as any reference in claim limiting
Involved claim.
Claims (6)
1. a call body negative pressure test fixture, including bearing (1), tiller (3), pull bar (8), call body mounting seat
And straight hand lever (14) (9), it is characterised in that: described bearing (1) upper end is fixed with by screw determines plate (2), determines plate (2) upper end
Both sides are provided with spring guide pillar (4), and the outer sheath of spring guide pillar (4) is connected to spring (7), the lower section of described spring guide pillar (4)
Pull bar (8) is installed, and pull bar (8) runs through bearing (1) and determines plate (2) and be fixed by screws in the dynamic plate determining plate (2) side
(6) on, described pull bar (8) is provided with cam bit (11) away from one end of dynamic plate (6) by bearing pin, the both sides peace of cam bit (11)
Equipped with cam catch (12), described cam bit (11) is provided with tiller (3) by screw, another of tiller (3)
End is provided with straight hand lever (14) by screw, is provided with call body mounting seat (9) in described dynamic plate (6), and call body is installed
Being provided with call body (15) in seat (9), the side of described call body mounting seat (9) is provided with connection for breather pipe (13).
A kind of call body negative pressure test fixture the most according to claim 1, it is characterised in that: tiller (3) connects
Cam bit (11) and straight hand lever (14).
A kind of call body negative pressure test fixture the most according to claim 1, it is characterised in that: described dynamic plate (6) is installed
In the side determining plate (2), and the side determining the close dynamic plate (6) of plate (2) is provided with sealing ring (10).
A kind of call body negative pressure test fixture the most according to claim 1, it is characterised in that: described pull bar (8) is with dynamic
One end that plate (6) connects is cylindrical, and one end that pull bar (8) is connected with cam bit (11) is rectangular-shaped.
A kind of call body negative pressure test fixture the most according to claim 1, it is characterised in that: described call body is installed
The upper end of seat (9) is fixed with handle (5), is connected for detachable between communication mounting seat (9) and communication.
A kind of call body negative pressure test fixture the most according to claim 1, it is characterised in that: described spring (7) passes through
Spring guide pillar (4) is fixed on to be determined between plate (2) and dynamic plate (6), and one end of spring guide pillar (4) is fixed on and determines on plate (2), spring
The other end of guide pillar (4) is movable end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620771420.4U CN205879513U (en) | 2016-07-21 | 2016-07-21 | Interphone body negative pressure test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620771420.4U CN205879513U (en) | 2016-07-21 | 2016-07-21 | Interphone body negative pressure test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205879513U true CN205879513U (en) | 2017-01-11 |
Family
ID=57696699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620771420.4U Active CN205879513U (en) | 2016-07-21 | 2016-07-21 | Interphone body negative pressure test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205879513U (en) |
-
2016
- 2016-07-21 CN CN201620771420.4U patent/CN205879513U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" | ||
| CP03 | "change of name, title or address" |
Address after: No. 499, Donglin Road, biological industry park, Yichang District, China (Hubei) free trade zone, Yichang City, Hubei Province Patentee after: Hubei Huaqiang Technology Co., Ltd Address before: 443003 Hubei province Yichang City Kiln Road No. 45 Patentee before: HUBEI HUAQIANG HIGH-TECH Co.,Ltd. |