Portable vacuum box sampler

Abstract

The utility model provides a portable vacuum box sampler. Relates to the technical field of vacuum sampling. The portable vacuum box sampler comprises a vacuum box body and a gas sampling pump arranged above the vacuum box body, a bearing frame is fixedly installed at the top of the vacuum box body, a supporting table is fixedly installed in the bearing frame, and the gas sampling pump makes contact with the top of the supporting table. Two inserting seats are fixedly mounted at the top of the supporting table, forward inserting grooves are formed in the two inserting seats, openings are formed in the sides, close to each other, of the two forward inserting grooves, clamping through openings are formed in the sides, away from each other, of the two inserting seats, and the two clamping through openings communicate with the two forward inserting grooves correspondingly; and connecting seats are inserted into the two forward slots. The device can be lifted and carried by one hand and is convenient to operate and use.

Description

TECHNICAL FIELD

[0001] The utility model relates to vacuum sampling technical field especially relates to a portable vacuum box sampler. BACKGROUND

[0002] The vacuum box gas bag sampler is a kind of professional instrument for collecting various gas samples by passive sampling method. It collects gaseous samples by vacuum box negative pressure mode, and the air in the vacuum box is extracted by the vacuum pump in the collector, so that the pressure outside the sample bag is lower than the pressure inside the sample bag, so that the collected gas automatically enters the sample bag, thereby achieving the purpose of gas collection.

[0003] However, when using a part of the vacuum box sampler, the vacuum box body and the gas sampling pump thereon are in a split state, that is, two independent individuals, when carrying, need to hold the vacuum box and the gas sampling pump, so as not to be convenient for people to carry, although sometimes the gas sampling pump can be placed in the vacuum box for carrying, but this will cause the gas sampling pump to be taken out from the box body and fixed at the use position for operation and use every time, and the use is not convenient enough.

[0004] Therefore, it is necessary to provide a new portable vacuum box sampler to solve the above technical problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a portable vacuum box sampler capable of being carried by single hand, and convenient to operate and use.

[0006] To solve the above technical problems, the portable vacuum box sampler provided by the utility model comprises a vacuum box body and a gas sampling pump arranged above the vacuum box body, a bearing frame is fixedly installed on the top of the vacuum box body, a supporting table is fixedly installed in the bearing frame, the gas sampling pump is in contact with the top of the supporting table, two plug-in sockets are fixedly installed on the top of the supporting table, a forward insertion slot is formed in each of the two plug-in sockets, the side of the two forward insertion slots close to each other is open, a clamping position through opening is formed in the side of the two plug-in sockets away from each other, the two clamping position through openings are in communication with the two forward insertion slots respectively, a connecting seat is inserted in each of the two forward insertion slots, the side of the two connecting seats close to each other is fixedly connected with the two sides of the gas sampling pump respectively, an inner groove is formed in the side of the two connecting seats away from each other, a wedge-shaped clamping head is slidingly installed in the inner groove, the side of the two wedge-shaped clamping heads away from each other extends into the two clamping position through openings respectively, a tightening spring is fixedly installed on the inner wall of the side of the two inner grooves close to each other, and the end of the two tightening springs away from each other is fixedly connected with the two wedge-shaped clamping heads respectively.

[0007] Preferably, the top of the support table is fixedly provided with two side frame plates, a guide rod is slidably arranged on each of the two side frame plates, and a horizontal pushing piece is fixedly arranged at the end of each of the two guide rods close to each other, and the two horizontal pushing pieces are matched with the two clamping openings respectively.

[0008] Preferably, a clamping ring is fixedly arranged on each of the two guide rods, and the two side frame plates are located between the two clamping rings.

[0009] Preferably, a back plate is fixedly arranged on the inner top wall of the bearing frame, a rotating rod is rotatably arranged on the back plate, a rotating connecting rod is fixedly arranged on the rotating rod, two linkage rods are hingedly arranged on the two sides of the rotating connecting rod, a pushing rod is rotatably arranged at the end of each of the two linkage rods away from each other, an adapter plate is fixedly arranged at the end of each of the two pushing rods away from each other, the end of each of the two guide rods away from each other is fixedly connected with the two adapter plates respectively, a standing plate is fixedly arranged on the inner top wall of the bearing frame, and the two pushing rods pass through the two standing plates and are slidably connected with the corresponding standing plates.

[0010] Preferably, a reset spring is arranged on each of the two pushing rods, one end of each of the two reset springs close to each other is fixedly connected with the two standing plates respectively, and the other end of each of the two reset springs away from each other is fixedly connected with the two adapter plates respectively.

[0011] Preferably, a carrying ring is fixedly arranged on the top of the bearing frame, and an anti-skid sleeve is fixedly arranged on the carrying ring.

[0012] Compared with the related art, the portable vacuum box sampler has the following beneficial effects:

[0013] The portable vacuum box sampler comprises a support table, a bearing frame, a vacuum box body, a gas sampling pump, a clamping ring, a clamping opening, a guide rod, a horizontal pushing piece, a back plate, a rotating rod, a rotating connecting rod, a linkage rod, a pushing rod, an adapter plate, a standing plate, a reset spring, a carrying ring and an anti-skid sleeve. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The structure diagram of a preferred embodiment of the portable vacuum box sampler is shown.

[0015] Figure 2 The front view structure diagram of the utility model is shown.

[0016] Figure 3It is the assembly schematic view of the gas sampling pump and the bearing frame in the utility model;

[0017] Figure 4 It is the structure schematic view of the plug-in socket in the utility model;

[0018] Figure 5 It is the connection structure schematic view of the gas sampling pump and the connecting seat in the utility model;

[0019] Figure 6 It is the sectional structure schematic view of the connecting seat in the utility model.

[0020] Marked number in the drawing: 1, vacuum box body; 2, gas sampling pump; 3, bearing frame; 4, support table; 5, plug-in socket; 6, positive direction slot; 7, clamping position through port; 8, connecting seat; 9, built-in groove; 10, wedge-shaped chuck; 11, tightening spring; 12, side frame plate; 13, guide rod; 14, horizontal push piece; 15, back plate; 16, rotating rod; 17, screwing strip; 18, linkage rod; 19, push rod; 20, link plate; 21, station plate; 22, reset spring. DETAILED DESCRIPTION

[0021] The utility model will be further explained in connection with the drawings and embodiment.

[0022] Please combine with Figures 1-6 Wherein, Figure 1 It is the structure schematic view of a preferred embodiment of the portable vacuum box sampler provided by the utility model; Figure 2 It is the front view plane structure schematic view of the utility model; Figure 3 It is the assembly schematic view of the gas sampling pump and the bearing frame in the utility model; Figure 4 It is the structure schematic view of the plug-in socket in the utility model; Figure 5 It is the connection structure schematic view of the gas sampling pump and the connecting seat in the utility model; Figure 6The utility model discloses a sectional structure schematic drawing of connecting seat. The portable vacuum box sampler includes: vacuum box body 1 and the gas sampling pump 2 of setting above vacuum box body 1, and the whole sampler is by vacuum box body 1 and gas sampling pump 2 constitutes, and the model of this sampler is RC-D1000, is the vacuum box sampler equipment of common on market, and is fixedly installed with the bearing frame 3 on the top of vacuum box body 1, is fixedly installed with portable ring on the top of bearing frame 3, and is fixedly covered with antiskid cover on portable ring, and the people carry of lifting is convenient, and is fixedly installed with support table 4 in bearing frame 3, and the top of support table 4 is contacted with the gas sampling pump 2 of setting, and two plug-in sockets 5 are fixedly installed on the top of support table 4, and two plug-in sockets 5 all are set up positive slot 6, and the side of two positive slots 6 close to each other all are opened, and the side of two plug-in sockets 5 away from each other all are set up clamping position through 7, and two clamping position throughs 7 are linked with two positive slots 6 respectively, and in order to form the connection between connecting seat 8 and plug-in socket 5, connecting seat 8 is inserted in two positive slots 6, and the side of two connecting seats 8 close to each other is fixedly connected with the both sides of gas sampling pump 2 respectively, and the side of two connecting seats 8 away from each other all are set up built-in groove 9, and the wedge-shaped chuck 10 of two built-in grooves 9 is slidably installed, the wedge-shaped chuck 10 is attached with the inner wall of built-in groove 9, to form stable sliding mode, and the side of two wedge-shaped chucks 10 away from each other is extended to two clamping position throughs 7 respectively, and the inner wall of two built-in grooves 9 close to each other is fixedly installed with tightening spring 11, and the end of two tightening springs 11 away from each other is fixedly connected with two wedge-shaped chucks 10, so the clamping effect between wedge-shaped chuck 10 and plug-in socket 5 can be used, so that gas sampling pump 2 is installed on vacuum box body 1.

[0023] In the above manner, in order to facilitate people to push out two wedge-shaped clamping heads 10 from the corresponding clamping position through 7, two side frame plates 12 are fixedly installed on the top of the support table 4, two guide rods 13 are slidably installed on the two side frame plates 12, the ends of the two guide rods 13 close to each other are fixedly installed with horizontal push pieces 14, the two horizontal push pieces 14 are matched with the two clamping position through 7 respectively, and the back plate 15 is fixedly installed on the top inner wall of the bearing frame 3, the rotating rod 16 is rotatably installed on the back plate 15, the rotating rod 16 is fixedly sleeved with the rotating strip 17, the linkage rods 18 are hinged on both sides of the rotating strip 17, the ends of the two linkage rods 18 away from each other are rotatably installed with push rods 19, and the abutment plates 20 are fixedly installed on the ends of the two push rods 19 away from each other, the ends of the two guide rods 13 away from each other are fixedly connected with the two abutment plates 20 respectively, the standing plate 21 is fixedly installed on the top inner wall of the bearing frame 3, the two push rods 19 pass through the two standing plates 21 and are slidably connected with the corresponding standing plates 21, the reset springs 22 are sleeved on the two push rods 19, the ends of the two reset springs 22 close to each other are fixedly connected with the two standing plates 21 respectively, and the ends of the two reset springs 22 away from each other are fixedly connected with the two abutment plates 20 respectively, so that the two abutment plates 20 can be driven to approach each other by rotating the rotating rod 16, and then the two guide rods 13 approach each other, and finally the horizontal push piece 14 enters the clamping position through 7 and pushes out the wedge-shaped clamping head 10 from the clamping position through 7.

[0024] In addition, in order to prevent the horizontal push piece 14 from extending into the built-in groove 9 and hindering the connecting seat 8 from moving out of the forward insertion slot 6, clamping rings are fixedly sleeved on the two guide rods 13, the two side frame plates 12 are located between the two clamping rings, and when the clamping ring contacts the side frame plate 12 during the movement of the guide rod 13, it indicates that the wedge-shaped clamping head 10 has been pushed out of the clamping position through 7, and the horizontal push piece 14 has not entered the built-in groove 9.

[0025] The working principle of the portable vacuum box sampler is as follows:

[0026] When carrying, only need to hold the hand ring and directly take away, after carrying to the specified position, through the gas sampling pump 2 operation sampling can be carried out;

[0027] When the gas sampling pump 2 needs to be disassembled, replaced or repaired in subsequent use, the rotating rod 16 is only rotated clockwise, the rotating strip 17 is rotated, the two push rods 19 are moved to the direction of approaching each other through the driving of the linkage rod 18, the two horizontal push pieces 14 are moved to the corresponding clamping orifices 7, the horizontal push pieces 14 enter the clamping orifices 7 and contact the wedge-shaped clamping heads 10, the wedge-shaped clamping heads 10 are pushed, the two wedge-shaped clamping heads 10 are gradually retracted into the corresponding built-in grooves 9, the two clamping rings on the guide rods 13 contact the two side frame plates 12, the horizontal push pieces 14 stop moving, the reset springs 22 are in the compressed state, the wedge-shaped clamping heads 10 are completely retracted into the built-in grooves 9, the two tightening springs 11 are in the compressed state, the gas sampling pump 2 is directly extracted longitudinally and horizontally, the rotating rod 16 is loosened, the compressed reset springs 22 release the elastic force, the rotating strip 17 and the horizontal push pieces 14 are brought back to the original position;

[0028] After the gas sampling pump 2 is extracted, the compressed tightening springs 11 directly release the elastic force, the two wedge-shaped clamping heads 10 are pushed out to the two sides, and then the two wedge-shaped clamping heads 10 are repaired or replaced;

[0029] When the new gas sampling pump 2 is installed, the connecting seats 8 on the two sides of the gas sampling pump 2 are directly inserted into the corresponding forward insertion slots 6, the wedge-shaped clamping heads 10 on the connecting seats 8 contact the edges of the forward insertion slots 6 and are retracted into the built-in grooves 9, the tightening springs 11 are compressed, the wedge-shaped clamping heads 10 correspond to the clamping orifices 7 when the connecting seats 8 are inserted into the position, the compressed tightening springs 11 release the elastic force, the wedge-shaped clamping heads 10 are directly brought into the clamping orifices 7, and the installation of the gas sampling pump 2 is completed.

[0030] Compared with the related art, the portable vacuum box sampler has the following beneficial effects:

[0031] The portable vacuum box sampler is characterized in that the gas sampling pump 2 is installed on the supporting table 4, so that an operator only needs to hold the hand ring on the bearing frame 3 when carrying the portable vacuum box sampler, the vacuum box body 1 and the gas sampling pump 2 are in an integrated state, no additional operation is needed when the portable vacuum box sampler is used, the gas sampling pump 2 can be directly operated by hand, the portable vacuum box sampler is convenient to use, and the portable vacuum box sampler is more convenient to use when the gas sampling pump 2 is removed.

[0032] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and equivalent structures or equivalent process transformations obtained by using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields are also included in the patent protection range of the utility model.

Claims

1. A portable vacuum box sampler comprising a vacuum box body and a gas sampling pump disposed above the vacuum box body, characterized in that, The top of the vacuum box body is fixedly installed with a bearing frame, a supporting table is fixedly installed in the bearing frame, the gas sampling pump is in contact with the top of the supporting table, two plug-in sockets are fixedly installed on the top of the supporting table, forward insertion grooves are formed in the two plug-in sockets, the side of the two forward insertion grooves close to each other is an opening, a clamping position through opening is formed in the side of the two plug-in sockets away from each other, the two clamping position through openings are in communication with the two forward insertion grooves, connecting seats are inserted into the two forward insertion grooves, the side of the two connecting seats close to each other is fixedly connected with the two sides of the gas sampling pump, an inner groove is formed in the side of the two connecting seats away from each other, wedge-shaped clamping heads are slidingly installed in the two inner grooves, the side of the two wedge-shaped clamping heads away from each other extends into the two clamping position through openings, and tightening springs are fixedly installed on the inner walls of the side of the two inner grooves close to each other.

2. The portable vacuum box sampler of claim 1, wherein, The top of the supporting table is fixedly installed with two side frame plates, guide rods are slidingly installed on the two side frame plates, horizontal pushing pieces are fixedly installed on the ends of the two guide rods close to each other, and the two horizontal pushing pieces are matched with the two clamping position through openings.

3. The portable vacuum box sampler of claim 2, wherein, Clamping position rings are fixedly installed on the two guide rods, and the two side frame plates are located between the two clamping position rings.

4. The portable vacuum box sampler of claim 2, wherein, A back plate is fixedly installed on the top inner wall of the bearing frame, a rotating rod is rotatably installed on the back plate, a rotating connecting strip is fixedly installed on the rotating rod, linkage rods are hingedly connected to the two sides of the rotating connecting strip, pushing rods are rotatably installed at the ends of the two linkage rods away from each other, connecting plates are fixedly installed at the ends of the two pushing rods away from each other, the ends of the two guide rods away from each other are fixedly connected with the two connecting plates respectively, a standing plate is fixedly installed on the top inner wall of the bearing frame, and the two pushing rods penetrating through the two standing plates are slidingly connected with the corresponding standing plates.

5. The portable vacuum box sampler of claim 4, wherein, Reset springs are installed on the two pushing rods, the ends of the two reset springs close to each other are fixedly connected with the two standing plates respectively, and the ends of the two reset springs away from each other are fixedly connected with the two connecting plates.

6. The portable vacuum box sampler of claim 1, wherein, A hand carrying ring is fixedly installed on the top of the bearing frame, and an anti-skid sleeve is fixedly installed on the hand carrying ring.

Images