CN215866164U

CN215866164U - HSV test jig that gauze mask test was used

Info

Publication number: CN215866164U
Application number: CN202122440573.4U
Authority: CN
Inventors: 季金顺; 徐汉侨
Original assignee: Suzhou Quanhu Medical Instrument Co ltd
Current assignee: Suzhou Quanhu Medical Instrument Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-02-18
Anticipated expiration: 2031-10-11

Abstract

The utility model discloses an HSV (herpes Simplex Virus) testing jig for mask testing, which comprises an HSV testing jig body, wherein the HSV testing jig body comprises a base, a supporting rod fixedly arranged at the top of the base, a tension meter slidably arranged on the front side of the supporting rod and an electric telescopic rod fixedly arranged at the top end of the supporting rod, the bottom end of an output shaft of the electric telescopic rod is fixedly connected with the top of the tension meter, the top of the base is movably contacted with two clamping plates, two sides of the top of the base are fixedly connected with a first rectangular pipe, and one side, far away from each other, of each clamping plate is fixedly provided with a first thread driving mechanism. The mouth mask testing device is convenient to stably clamp and fix the mouth mask in a thread driving mode, reduces the risk of pulling out the mouth mask in the testing process, is convenient to adjust the supporting height of the whole device according to the use requirement, is convenient for people with different heights to use comfortably, and meets the use requirement.

Description

HSV test jig that gauze mask test was used

Technical Field

The utility model relates to the technical field of HSV test racks, in particular to an HSV test rack for mask test.

Background

After the mask is produced on the mask machine, the ear ropes need to be welded on the mask ear rope ultrasonic welding machine, after the ear ropes are welded on the mask, before the mask is packaged, the stability of welding points of the ear ropes needs to be tested, so that the qualified condition of a product is guaranteed, an HSV (hue, saturation and value) test jig is needed, for example, an Edgebau HSV test jig on the market, and the existing HSV test jig for the mask test is mainly pulled through the ear ropes, and the stability degree of the ear ropes is judged according to the tension value displayed on the HSV test jig.

The HSV test jig of current gauze mask test usefulness, it has the shortcoming of being not convenient for carry out the stable centre gripping to the gauze mask when the test, at the in-process of test pulling ear rope, the risk that the gauze mask was pulled out appears easily, and the shortcoming that the supporting height to whole device was adjusted according to the use needs not to be convenient for exists, and then the personnel operation of the different heights of being not convenient for use, can not satisfy the user demand, synthesize above-mentioned condition and improve, therefore we have proposed an HSV test jig that gauze mask test was used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an HSV (herpes simplex virus) testing frame for mask testing.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an HSV testing jig for mask testing comprises an HSV testing jig body, wherein the HSV testing jig body comprises a base, a supporting rod fixedly arranged at the top of the base, a tension meter slidably arranged on the front side of the supporting rod, and an electric telescopic rod fixedly arranged at the top end of the supporting rod, the bottom end of an output shaft of the electric telescopic rod is fixedly connected with the top of the tension meter, the top of the base is movably contacted with two clamping plates, two sides of the top of the base are fixedly connected with first rectangular pipes, one sides, far away from each other, of the two clamping plates are fixedly provided with first thread driving mechanisms, one sides, far away from the corresponding clamping plates, of the first thread driving mechanisms extend into the first rectangular pipes, the left side of the first rectangular pipe on the left side in the two first rectangular pipes is fixedly provided with a driving motor, the right end of the output shaft of the driving motor is fixedly connected with the left side of the first thread driving mechanisms on the left side in the two first thread driving mechanisms, the bottom of the first rectangular pipe is movably contacted with a second rectangular pipe, the bottom of the base is movably contacted with a clip-shaped base, the top of the clip-shaped base is fixedly connected with the bottom ends of the two second rectangular pipes, the second rectangular pipes are internally and slidably sleeved with a first rectangular rod, the top end of the first rectangular rod is fixedly connected with the bottom of the corresponding first rectangular pipe, a second thread driving mechanism is rotatably installed in the second rectangular pipe, the first rectangular rod is in thread sleeve connection with the corresponding second thread driving mechanism, the bottom of the first rectangular pipe is rotatably installed with a rotating shaft, the second thread driving mechanism is in sleeve connection with the corresponding rotating shaft, the bottom end of the rotating shaft extends into the corresponding second rectangular pipe, the top end of the rotating shaft extends into the corresponding first rectangular pipe and is fixedly connected with a first bevel gear, the first thread driving mechanism is fixedly sleeved with a second bevel gear, and the second bevel gear is meshed with the corresponding first bevel gear, two second bevel gears are symmetrically arranged, square rods are arranged in the second rectangular pipes, a rotating shaft sliding sleeve is arranged on the corresponding square rods, a second thread driving mechanism is rotatably arranged on the corresponding square rods, the bottom ends of the square rods and the bottoms of the second thread driving mechanisms all extend into the clip-shaped base, a first linkage mechanism which is located in the clip-shaped base is fixedly arranged on the two square rods in a sleeved mode, a second linkage mechanism which is located in the clip-shaped base is fixedly arranged on the two second thread driving mechanisms in a sleeved mode, a first gear is fixedly arranged on the left second thread driving mechanism in a sleeved mode, a second gear is meshed on the left side of the first gear, a first motor is fixedly arranged on the inner wall of the top of the clip-shaped base, and the bottom end of an output shaft of the first motor is fixedly connected with the top of the second gear.

Preferably, the anti-skid rubber is fixedly bonded on one side of each of the two clamping plates close to each other.

Preferably, the first thread driving mechanism comprises a second rectangular rod which is slidably sleeved in the first rectangular pipe, one end, close to the corresponding clamping plate, of the second rectangular rod is fixedly connected with the clamping plate, a screw rod is rotatably installed between the inner wall of the top of the first rectangular pipe and the inner wall of the bottom of the first rectangular pipe, the second rectangular rod is sleeved on the corresponding screw rod in a threaded manner, the left end, located on the left side of the two screw rods, of the screw rod is fixedly connected with the right end of the output shaft of the driving motor, and the second bevel gear is fixedly sleeved on the corresponding screw rod.

Preferably, second screw thread actuating mechanism installs the internal screw thread sleeve pipe in the second rectangle including rotating, and external screw thread sleeve pipe cover is established in the pivot that corresponds, and first rectangle pole thread bush is established on the external screw thread sleeve pipe that corresponds, and the square bar rotates to be installed in the external screw thread sleeve pipe that corresponds, and in external screw thread sheathed tube bottom extended to back the shape base, the fixed cover of first gear was established on left external screw thread sleeve pipe.

Preferably, the first linkage mechanism comprises two first chain wheels, the tops of the first chain wheels are fixedly connected with the bottom ends of the corresponding square rods, and the two first chain wheels are in transmission connection with the same first chain.

Preferably, the second linkage mechanism comprises two second chain wheels, the second chain wheels are fixedly sleeved on the corresponding external thread sleeves, and the two second chain wheels are in transmission connection with the same second chain.

Preferably, a square groove is formed in the bottom end of the rotating shaft, the inner wall of the square groove is connected with the outer side of the square rod in a sliding mode, a first circular hole is formed in the inner wall of the bottom of the first rectangular pipe, a bearing is fixedly sleeved in the first circular hole, and the inner side of the inner ring of the bearing is fixedly connected with the outer side of the corresponding rotating shaft.

Preferably, one end of the second rectangular rod is provided with a first threaded hole, and the first threaded hole is in threaded connection with the corresponding screw.

Preferably, a second threaded hole is formed in the top end of the first rectangular rod and is in threaded connection with the corresponding external thread sleeve.

Preferably, the outer side of the rotating shaft is not in contact with the inner wall of the corresponding external thread sleeve.

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

the mask is placed between the two clamping plates by matching the base, the supporting rod, the tension meter, the electric telescopic rod, the first rectangular pipe, the clamping plates, the screw, the second rectangular rod, the driving motor, the clip base, the second bevel gear, the first bevel gear, the second rectangular pipe, the first rectangular rod, the external thread sleeve, the rotating shaft, the square rod, the second chain wheel, the first chain, the first gear, the first motor and the second chain wheel, the left screw is driven to rotate by forward starting the driving motor, the left screw drives the left rotating shaft to rotate by sequentially passing through the left second bevel gear and the left first bevel gear, the left rotating shaft drives the left square rod to rotate, the left square rod drives the right square rod to rotate by sequentially passing through the two first chain wheels and the first chain wheel, the right square rod drives the right screw to rotate by sequentially passing through the right rotating shaft, the right first bevel gear and the right second bevel gear, the two screws rotate simultaneously, the two screws rotate to drive the two second rectangular rods to move towards the mutually approaching direction, and the two second rectangular rods drive the two clamping plates and the two anti-skid rubber sheets to move towards the mutually approaching direction and clamp and fix the mask;

when the supporting height of the whole device is adjusted, the first motor is started in the forward direction to drive the second gear to rotate, the second gear drives the left external thread sleeve to rotate through the first gear, the left external thread sleeve drives the right external thread sleeve to rotate through the two second chain wheels and the second chain, the external thread sleeve rotates to drive the corresponding first rectangular rod to slide upwards in the second rectangular pipe, the two first rectangular pipe rods drive the base to move upwards through the two first rectangular pipes, the base drives the tension meter to move upwards through the supporting rod, the height position of the tension meter is changed, when the supporting height of the whole device is adjusted, the first motor is stopped, and the adjustment is completed.

The mouth mask testing device is convenient to stably clamp and fix the mouth mask in a thread driving mode, reduces the risk of pulling out the mouth mask in the testing process, is convenient to adjust the supporting height of the whole device according to the use requirement, is convenient for people with different heights to use comfortably, and meets the use requirement.

Drawings

FIG. 1 is a schematic structural diagram of an HSV testing jig for mask testing according to the present invention;

FIG. 2 is an enlarged cross-sectional view of portion A of FIG. 1;

fig. 3 is an enlarged schematic structural view of a portion B in fig. 2.

In the figure: 100 bases, 101 supporting rods, 102 tension meters, 103 electric telescopic rods, 1 first rectangular pipe, 2 clamping plates, 3 screw rods, 4 second rectangular rods, 5 driving motors, 6-shaped bases, 7 second bevel gears, 8 first bevel gears, 9 second rectangular pipes, 10 first rectangular rods, 11 external thread sleeves, 12 rotating shafts, 13 square rods, 14 second chain wheels, 15 first chain wheels, 16 first chains, 17 first gears, 18 first motors, 19 second gears and 20 second chains.

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.

Referring to fig. 1-3, an HSV test jig for mask testing, including an HSV test jig body, the HSV test jig body includes a base 100, a support bar 101 fixedly mounted at the top of the base 100, a tension meter 102 slidably mounted at the front side of the support bar 101, and an electric telescopic rod 103 fixedly mounted at the top end of the support bar 101, the bottom end of an output shaft of the electric telescopic rod 103 is fixedly connected with the top of the tension meter 102, the top of the base 100 is movably contacted with two clamp plates 2, two sides of the top of the base 100 are fixedly connected with first rectangular pipes 1, one sides of the two clamp plates 2 far away from each other are fixedly mounted with first thread driving mechanisms, one side of the first thread driving mechanism far away from the corresponding clamp plate 2 extends into the first rectangular pipe 1, a driving motor 5 is fixedly mounted at the left side of the left first rectangular pipe 1 in the two first rectangular pipes 1, the right end of the output shaft of the driving motor 5 and the left side of the left first thread driving mechanism in the two first thread driving mechanisms are mounted at the right end of the driving mechanism The side is fixedly connected, the bottom of the first rectangular pipe 1 is movably contacted with a second rectangular pipe 9, the bottom of the base 100 is movably contacted with a clip-shaped base 6, the top of the clip-shaped base 6 is fixedly connected with the bottom ends of the two second rectangular pipes 9, a first rectangular rod 10 is sleeved in the second rectangular pipe 9 in a sliding way, the top end of the first rectangular rod 10 is fixedly connected with the bottom of the corresponding first rectangular pipe 1, a second thread driving mechanism is rotatably installed in the second rectangular pipe 9, the first rectangular rod 10 is sleeved on the corresponding second thread driving mechanism in a threaded way, a rotating shaft 12 is rotatably installed at the bottom of the first rectangular pipe 1, the second thread driving mechanism is sleeved on the corresponding rotating shaft 12, the bottom end of the rotating shaft 12 extends into the corresponding second rectangular pipe 9, the top end of the rotating shaft 12 extends into the corresponding first rectangular pipe 1 and is fixedly connected with a first bevel gear 8, a second bevel gear 7 is fixedly sleeved on the first thread driving mechanism, the second bevel gears 7 are meshed with corresponding first bevel gears 8, the two second bevel gears 7 are symmetrically arranged, square rods 13 are arranged in second rectangular pipes 9, rotating shafts 12 are slidably sleeved on the corresponding square rods 13, second thread driving mechanisms are rotatably sleeved on the corresponding square rods 13, the bottom ends of the square rods 13 and the bottoms of the second thread driving mechanisms extend into the square bases 6, the same first linkage mechanism located in the square bases 6 is fixedly sleeved on the two square rods 13, the same second linkage mechanism located in the square bases 6 is fixedly sleeved on the two second thread driving mechanisms, a first gear 17 is fixedly sleeved on the second thread driving mechanism located on the left side, a second gear 19 is meshed on the left side of the first gear 17, a first motor 18 is fixedly mounted on the inner wall of the top of the square base 6, and the bottom end of an output shaft of the first motor 18 is fixedly connected with the top of the second gear 19;

the first thread driving mechanism comprises a second rectangular rod 4 which is sleeved in the first rectangular pipe 1 in a sliding mode, one end, close to the corresponding clamping plate 2, of the second rectangular rod 4 is fixedly connected with the clamping plate 2, a screw rod 3 is rotatably installed between the inner wall of the top portion and the inner wall of the bottom portion of the first rectangular pipe 1, the second rectangular rod 4 is sleeved on the corresponding screw rod 3 in a threaded mode, the left end of the screw rod 3, located on the left side of the two screw rods 3, is fixedly connected with the right end of an output shaft of a driving motor 5, and a second bevel gear 7 is fixedly sleeved on the corresponding screw rod 3; the second thread driving mechanism comprises an external thread sleeve 11 which is rotatably arranged in the second rectangular pipe 9, the external thread sleeve 11 is sleeved on a corresponding rotating shaft 12, a first rectangular rod 10 is in thread sleeve on the corresponding external thread sleeve 11, a square rod 13 is rotatably arranged in the corresponding external thread sleeve 11, the bottom end of the external thread sleeve 11 extends into the square base 6, and a first gear 17 is fixedly sleeved on the external thread sleeve 11 on the left side; the first linkage mechanism comprises two first chain wheels 15, the top parts of the first chain wheels 15 are fixedly connected with the bottom ends of the corresponding square rods 13, and the two first chain wheels 15 are in transmission connection with the same first chain 16; the second linkage mechanism comprises two second chain wheels 14, the second chain wheels 14 are fixedly sleeved on the corresponding external thread sleeves 11, and the two second chain wheels 14 are in transmission connection with the same second chain 20.

In the utility model, anti-skid rubber is bonded and fixed on one side of each of two clamping plates 2 which are close to each other, a square groove is formed at the bottom end of a rotating shaft 12, the inner wall of the square groove is in sliding connection with the outer side of a square rod 13, a first circular hole is formed on the inner wall of the bottom of a first rectangular pipe 1, a bearing is fixedly sleeved in the first circular hole, the inner side of an inner ring of the bearing is fixedly connected with the outer side of the corresponding rotating shaft 12, a first threaded hole is formed at one end of a second rectangular rod 4, the first threaded hole is in threaded connection with a corresponding screw rod 3, a second threaded hole is formed at the top end of a first rectangular rod 10, the second threaded hole is in threaded connection with a corresponding external thread sleeve 11, and the outer side of the rotating shaft 12 is not in contact with the inner wall of the corresponding external thread sleeve 11. The convenient comfortable use of the personnel of different heights satisfies the user demand.

The working principle is as follows: when the mask is used for testing, the mask is placed between the two clamping plates 2, then the driving motor 5 is started in the forward direction, the output shaft of the driving motor 5 drives the left screw 3 to rotate, the left screw 3 drives the left second bevel gear 7 to rotate, the left second bevel gear 7 drives the left first bevel gear 8 to rotate, the left first bevel gear 8 drives the left rotating shaft 12 to rotate, the left rotating shaft 12 drives the left square rod 13 to rotate, the left square rod 13 drives the left first chain wheel 15 to rotate, the left first chain wheel 15 drives the right first chain wheel 15 to rotate through the first chain 16, the right first chain wheel 15 drives the right square rod 13 to rotate, the right square rod 13 drives the right first bevel gear 8 to rotate through the right rotating shaft 12, and the right first bevel gear 8 drives the right screw 3 to rotate through the right second bevel gear 7, the two screws 3 are enabled to rotate simultaneously, the two second bevel gears 7 are symmetrically arranged, so that the rotating directions of the two screws 3 are opposite, under the action of first threaded holes formed in the second rectangular rods 4, the two screws 3 rotate to drive the two second rectangular rods 4 to move towards the mutually approaching direction, the two second rectangular rods 4 drive the two clamping plates 2 to move towards the mutually approaching direction, the two clamping plates 2 drive the two anti-skid rubber sheets to move towards the mutually approaching direction and clamp and fix the mask, after the fixation is completed, the driving motor 5 is stopped, and under the action of the first threaded holes and the self thread locking force of the corresponding screws 3, the clamping plates 2 are fixed, so that the stable clamping of the mask is realized, and the risk that the mask is pulled out in the testing process is reduced;

when the supporting height of the whole device is adjusted according to personal use needs, the first motor 18 is started in a forward direction, the output shaft of the first motor 18 drives the second gear 19 to rotate, the second gear 19 drives the first gear 17 engaged with the second gear to rotate, the first gear 17 drives the left external thread sleeve 11 to rotate, the left external thread sleeve 11 drives the left second sprocket 14 to rotate, the left second sprocket 14 drives the right second sprocket 14 to rotate through the second chain 20, the right second sprocket 14 drives the right external thread sleeve 11 to rotate, under the action of the second threaded hole formed on the first rectangular rod 10, the external thread sleeve 11 rotates to drive the corresponding first rectangular rod 10 to slide upwards in the second rectangular tube 9, the two first rectangular tube rods 10 drive the two first rectangular tubes 1 to move upwards, the first rectangular tubes 1 drive the rotating shaft 12 to slide upwards on the square rod 13 through the corresponding bearings, two first rectangular pipes 1 drive base 100 rebound simultaneously, base 100 drives bracing piece 101 rebound, bracing piece 101 drives tensiometer 102 rebound, make its high position change, when adjusting the bearing height of whole device as required, stop first motor 18, under the self screw locking power effect of second screw hole and the external screw thread sleeve pipe 11 that corresponds, make base 100 fixed, adjust and accomplish, make and be convenient for adjust the bearing height of whole device as required, make things convenient for the comfortable use of personnel of different heights.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a HSV test jig of gauze mask test usefulness, includes HSV test jig body, HSV test jig body includes base (100), fixed mounting is at bracing piece (101) at base (100) top, slidable mounting is at tensiometer (102) of bracing piece (101) front side and fixed mounting is at electric telescopic handle (103) on bracing piece (101) top, and the output shaft bottom of electric telescopic handle (103) and the top fixed connection of tensiometer (102), its characterized in that, the top movable contact of base (100) has two splint (2), the equal fixedly connected with first rectangular pipe (1) in top both sides of base (100), the equal fixed mounting in one side that two splint (2) kept away from each other has a screw drive mechanism, and one side that first screw drive mechanism kept away from corresponding splint (2) extends to in first rectangular pipe (1), the left side fixed mounting that lies in left first rectangular pipe (1) in two first rectangular pipes (1) has driving motor(s), (the (2), (the drive motor (1) is installed to the left side fixed mounting 5) The right end of an output shaft of a driving motor (5) is fixedly connected with the left side of a first thread driving mechanism positioned on the left side in two first thread driving mechanisms, a second rectangular pipe (9) is movably contacted with the bottom of the first rectangular pipe (1), a clip-shaped base (6) is movably contacted with the bottom of the base (100), the top of the clip-shaped base (6) is fixedly connected with the bottom ends of the two second rectangular pipes (9), a first rectangular rod (10) is sleeved in the second rectangular pipe (9) in a sliding manner, the top end of the first rectangular rod (10) is fixedly connected with the bottom of the corresponding first rectangular pipe (1), a second thread driving mechanism is rotatably installed in the second rectangular pipe (9), the first rectangular rod (10) is sleeved on the corresponding second thread driving mechanism in a threaded manner, a rotating shaft (12) is rotatably installed at the bottom of the first rectangular pipe (1), and the second thread driving mechanism is sleeved on the corresponding rotating shaft (12), the bottom end of a rotating shaft (12) extends into a corresponding second rectangular pipe (9), the top end of the rotating shaft (12) extends into a corresponding first rectangular pipe (1) and is fixedly connected with a first bevel gear (8), a first thread driving mechanism is fixedly sleeved with a second bevel gear (7), the second bevel gear (7) is meshed with the corresponding first bevel gear (8), the two second bevel gears (7) are symmetrically arranged, a square rod (13) is arranged in the second rectangular pipe (9), the rotating shaft (12) is slidably sleeved on the corresponding square rod (13), the second thread driving mechanism is rotatably sleeved on the corresponding square rod (13), the bottom end of the square rod (13) and the bottom of the second thread driving mechanism both extend into a clip-shaped base (6), the two square rods (13) are fixedly sleeved with a first linkage mechanism which is positioned in the clip-shaped base (6), and the two second thread driving mechanisms are fixedly sleeved with a second linkage mechanism which is positioned in the clip-shaped base (6) The movable mechanism is fixedly sleeved with a first gear (17) on a second thread driving mechanism on the left side, the left side of the first gear (17) is meshed with a second gear (19), a first motor (18) is fixedly mounted on the inner wall of the top of the square-shaped base (6), and the bottom end of an output shaft of the first motor (18) is fixedly connected with the top of the second gear (19).

2. The HSV test jig for testing the mask according to claim 1, wherein the anti-skid rubber is fixedly bonded to the side, close to each other, of each of the two clamping plates (2).

3. The HSV test jig for testing the mask according to claim 1, wherein the first thread driving mechanism comprises a second rectangular rod (4) which is slidably sleeved in the first rectangular pipe (1), one end, close to the corresponding clamping plate (2), of the second rectangular rod (4) is fixedly connected with the clamping plate (2), a screw (3) is rotatably mounted between the top inner wall and the bottom inner wall of the first rectangular pipe (1), the second rectangular rod (4) is in thread sleeving connection with the corresponding screw (3), the left end of the screw (3) on the left side in the two screws (3) is fixedly connected with the right end of the output shaft of the driving motor (5), and the second bevel gear (7) is fixedly sleeved on the corresponding screw (3).

4. The HSV test jig for testing a mask according to claim 1, wherein the second thread driving mechanism comprises an external thread sleeve (11) rotatably installed in a second rectangular tube (9), the external thread sleeve (11) is sleeved on a corresponding rotating shaft (12), a first rectangular rod (10) is threadedly sleeved on the corresponding external thread sleeve (11), a square rod (13) is rotatably installed in the corresponding external thread sleeve (11), the bottom end of the external thread sleeve (11) extends into the square base (6), and a first gear (17) is fixedly sleeved on the external thread sleeve (11) on the left side.

5. The HSV test jig for testing the mask according to claim 1, wherein the first linkage mechanism comprises two first chain wheels (15), the top parts of the first chain wheels (15) are fixedly connected with the bottom ends of the corresponding square rods (13), and the two first chain wheels (15) are in transmission connection with the same first chain (16).

6. The HSV test jig for testing the mask according to claim 1, wherein the second linkage mechanism comprises two second chain wheels (14), the second chain wheels (14) are fixedly sleeved on the corresponding externally threaded sleeves (11), and the two second chain wheels (14) are in transmission connection with the same second chain (20).

7. The HSV test jig for testing the mask according to claim 1, wherein a square groove is formed in the bottom end of the rotating shaft (12), the inner wall of the square groove is in sliding connection with the outer side of the square rod (13), a first circular hole is formed in the inner wall of the bottom of the first rectangular tube (1), a bearing is fixedly sleeved in the first circular hole, and the inner side of an inner ring of the bearing is fixedly connected with the outer side of the corresponding rotating shaft (12).

8. The HSV test jig for testing the mask according to claim 3, wherein one end of the second rectangular rod (4) is provided with a first threaded hole, and the first threaded hole is in threaded connection with the corresponding screw rod (3).

9. The HSV test jig for testing the mask according to claim 4, wherein a second threaded hole is formed in the top end of the first rectangular rod (10), and the second threaded hole is in threaded connection with the corresponding externally threaded sleeve (11).

10. An HSV test jig for mask testing according to claim 4, wherein the outer side of said shaft (12) is free from contact with the inner wall of the corresponding externally threaded sleeve (11).