CN211348117U - Positioning fixture of harmful substance standard exceeding detection device - Google Patents

Abstract

The utility model relates to a positioning fixture of a harmful substance standard exceeding detection device, which comprises a detection device, wherein the detection device comprises a handle, an elastic chuck and an extraction head, the handle is vertically placed, the elastic chuck is connected with the lower end of the handle, and the lower end of the elastic chuck clamps the extraction head; the detection device is connected with a clamping device, the clamping device comprises two semi-cylindrical jackets, the size of each jacket is matched with that of the detection device, and the jackets are clamped on the side wall of the handle; the clamping device is connected with a connecting device, and the connecting device is fixedly connected with the clamping device; the connecting device is connected with the supporting table through the lifting device, an operating table is connected to the side wall, opposite to the detection device, of the supporting table, and the operating table is fixedly connected with the supporting table. The utility model discloses the effect of extraction head position among the regulation detection device that has quick safety.

Description

Positioning fixture of harmful substance standard exceeding detection device

Technical Field

The utility model relates to a positioning fixture's technical field especially relates to a harmful substance detection device's that exceeds standard positioning fixture, and this kind of detection device is solid phase micro-extraction device.

Background

In the field of detection of exceeding the standard of harmful substances, a solid-phase micro-extraction device extends an extraction needle into a sample, a fiber head of the extraction needle and the sample reach adsorption balance, part of the sample is transferred to the extraction needle, the solid-phase micro-extraction device is connected with an analysis instrument such as a gas chromatograph, and the sample is desorbed in the analysis instrument to analyze whether the harmful substances exceed the standard or not.

The patent technology with publication number CN204034323U discloses a solid phase micro-extraction device, and the device is through setting up an collet between handle and extraction head for the extraction head is removable, has reduced because of waiting for the time that the activation of extraction head spent, has improved efficiency of software testing, if need recycle when extracting the head, only need to extract the head alone activate can.

When the solid phase micro-extraction device extracts the head and moves and get the sample among the foretell prior art scheme, the quartz fiber head that needs to wait for the extraction head reaches adsorption balance with the sample, this in-process is generally simply fixed on the iron stand platform, the iron stand platform includes the base, the vertical round bar that is connected with on the base, install on the round bar and press from both sides the cover, press from both sides the cover and pass through screw joint with the round bar, press from both sides cover centre gripping detection device, when adjusting detection device position, must the hand directly hold the cover of pressing from both sides, unscrew the screw height-adjusting simultaneously, screw is screwed up after adjusting high, this in-process makes detection device take place the slope easily, the position of extraction head among the.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a harmful substance detection device's that exceeds standard positioning fixture equipment, its effect that has extraction head position among the quick safe regulation detection device.

The above object of the present invention is achieved by the following technical solutions:

a positioning clamp structure of a harmful substance standard exceeding detection device comprises a detection device, wherein the detection device comprises a handle, an elastic chuck and an extraction head, the handle is vertically placed, the elastic chuck is connected to the lower end of the handle, and the extraction head is clamped by the lower end of the elastic chuck; the device is characterized in that the detection device is connected with a clamping device, the clamping device comprises two semi-cylindrical jackets, the size of each jacket is matched with that of the detection device, and the jackets are clamped on the side wall of the handle; the clamping device is connected with a connecting device, and the connecting device is fixedly connected with the clamping device; the connecting device is connected with the supporting table through the lifting device, the lifting device can lift in the vertical direction, an operating table is connected to the side wall, opposite to the detection device, of the supporting table, and the operating table is fixedly connected with the supporting table.

Through adopting above-mentioned technical scheme, during the use, the staff will detect the device centre gripping on pressing from both sides the cover, will take the testing sample to put at the operation panel and place in detection device's below, adjust elevating gear's height, make detection device contact the sample that awaits measuring detect, reach quick safe regulation detection device through elevating gear and extract first position effect.

The utility model discloses further set up to: the clamping device comprises two L-shaped fixing rods and a fourth connecting rod, a through hole is horizontally formed in the side wall of the fourth connecting rod, and the through hole penetrates through the fourth connecting rod; two a pot head of dead lever is established in the through-hole and is connected through the extension spring structure in the through-hole, the other end of dead lever with press from both sides cover fixed connection.

Through adopting above-mentioned technical scheme, the relative distance of connecting two dead levers that two parts pressed from both sides the cover can be adjusted through the extension spring structure to adjust the relative distance that two parts pressed from both sides the cover, realize pressing from both sides the centre gripping of cover to detection device.

The utility model discloses further set up to: the lifting device comprises a first connecting rod, a heavy object table and a screw rod, a cylindrical cavity is formed in the supporting table in the vertical direction, and the first connecting rod is perpendicular to the supporting table and extends into the cavity; the weight table is fixedly connected to the side wall of the supporting table; the screw rod is in threaded connection with the bottom of the weight table, the weight is placed at the upper end of the screw rod, and the total weight of the weight is larger than the sum of the weight of the connecting structure between the connecting rod I and the detection device; the upper end of the heavy object is connected with a connecting rope, and the connecting rope is fixedly connected to the upper end of the first connecting rod through a pulley block.

Through adopting above-mentioned technical scheme, adjusting screw stretches into the degree of depth of heavy object platform, adjusts the promotion or the decline of heavy object, transfers the difference in height to connecting rod one through the assembly pulley, reaches the effect of adjusting connecting rod one height, finally adjusts the height that detection device apart from waiting to detect the sample.

The utility model discloses further set up to: the upper end of the cavity is provided with a flange, the bottom of the first connecting rod is connected with a circular clamping plate, and the diameter of the clamping plate is equal to that of the cavity.

Through adopting above-mentioned technical scheme, the setting of flange and cardboard makes connecting rod one when stretching out the cavity, prevents that connecting rod one from drawing out in the cavity.

The utility model discloses further set up to: the lower extreme of cardboard is connected with the extension spring, and the both ends of extension spring are respectively with the bottom of cardboard and the bottom fixed connection of cavity.

Through adopting above-mentioned technical scheme, when needs reduce detection device's height, the height of rising heavy object makes connecting rod one fall under the effect of gravity, sets up the extension spring under the cardboard, makes connecting rod one fall under extension spring and action of gravity, reduces the jamming.

The utility model discloses further set up to: the connecting device comprises a second connecting rod, a third connecting rod and a telescopic rod, one end of the telescopic rod is connected to the fourth connecting rod through the third connecting rod and the second connecting rod, and the telescopic rod is horizontally arranged; the telescopic rod comprises an outer rod body, a pipe sleeve and an inner rod body, wherein the outer rod body is a circular pipe, and the inner rod body is coaxially sleeved in the outer rod body; one end of the outer rod body, which is sleeved with the inner rod body, is connected with a circle of flaky buckles with the same interval in a manner of being vertical to the end surface; the pipe sleeve comprises a hollow cylinder and a hollow round table, the round table and the cylinder are coaxially communicated, the bottom with a large contact surface of the round table is fixedly connected with the cylinder, the cylinder is sleeved outside the outer rod body, the cylinder is in threaded connection with the outer rod body, and the round table is sleeved outside the buckle. .

Through adopting above-mentioned technical scheme, including the telescopic link among the connecting device, make connecting device can adjust on the horizontal direction to adjust detection device apart from the distance of brace table, reduce the requirement to the position is placed to the detection sample, make detection device's horizontal adjustment safe more quick.

The utility model discloses further set up to: the vertical cabinet is vertically arranged on the side wall of the supporting table, the vertical cabinet is opposite to the detection device, the cabinet door is arranged on the side wall of the supporting table, the cabinet door is opposite to the vertical cabinet, and the cabinet door is hinged to the vertical cabinet.

Through adopting above-mentioned technical scheme, detection device uses the back that finishes, adjusts detection device apart from the position of brace table, withdraws detection device in the clothes closet, closes the cabinet door, makes detection device not follow and presss from both sides the cover and pull down, can save, has reduced the impaired risk of detection device removal storage in-process.

The utility model discloses further set up to: and an activation device is vertically arranged on the operating platform.

Through adopting above-mentioned technical scheme, activation device and operation panel integration set up, make the activation of extraction head more timely for detection efficiency.

The utility model discloses further set up to: the side wall of the activation device is provided with a needle box.

By adopting the technical scheme, the activating device is provided with the needle head box, so that the extraction head is convenient to store and take.

To sum up, the utility model discloses a beneficial technological effect does:

1. through the arrangement of the lifting device, when the heights of the sample containers to be detected are different, the height of the detection device from the sample to be detected can be adjusted by adjusting the depth of the screw rod in the lifting device extending into the cavity, so that the height adjustment of the detection device is safer and faster;

2. through the arrangement of the telescopic rod of the connecting device, when a sample to be detected is inconvenient to move, the distance between the detecting device and the supporting table can be adjusted by adjusting the horizontal extension length of the telescopic rod, so that the detecting device is arranged above the sample to be detected, and the horizontal adjustment of the detecting device is safer and faster;

3. through set up clothes closet and cabinet door on the brace table, make detection device not pull down from pressing from both sides in the cover, can save, reduced detection device and removed the impaired risk in the storage process, make detection device's storage safe in time more.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic sectional view taken along the line A-A in FIG. 1;

FIG. 3 is a schematic view of the telescopic rod;

FIG. 4 is a schematic view of an exploded structure of the telescoping pole;

fig. 5 is a schematic view of the connection structure of the jacket.

In the figure, 1, an operation table; 2. a sample tray; 3. a support table; 4. a weight table; 5. a sample tank; 6. a cavity; 7. a first connecting rod; 8. a flange; 9. clamping a plate; 10. a tension spring; 11. a connecting device; 12. a telescopic rod; 13. a second connecting rod; 14. a third connecting rod; 15. an outer rod body; 16. pipe sleeve; 17. an inner rod body; 18. buckling; 19. a cylinder; 20. a circular truncated cone; 21. a first thread; 22. a second thread; 23. a clamping device; 24. a connecting rod IV; 25. fixing the rod; 26. a jacket; 27. a through hole; 28. a detection device; 29. a handle; 30. an elastic collet; 31. an extraction head; 32. an activation device; 33. a needle head cartridge; 34. a first fixed pulley; 35. an open slot; 36. a circular plate; 37. a weight; 38. a screw; 39. a second fixed pulley; 40. connecting ropes; 41. a clothes closet; 42. a cabinet door.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the positioning fixture structure of the hazardous substance standard exceeding detection device, which is disclosed by the present embodiment, includes an operation console 1, a sample tray 2, a supporting table 3 and a detection device 28, wherein the operation console 1 is horizontally placed, the sample tray 2 is horizontally placed on the operation console 1, a sample groove 5 is formed in the upper surface of the sample tray 2, and the sample groove 5 is used for placing a sample to be detected; the supporting table 3 is a cylindrical structure and is vertically connected to one end of the operating table 1, and the supporting table 3 and the operating table 1 are of an integrated structure.

Referring to fig. 2, a cylindrical cavity 6 is vertically formed in the support table 3, a flange 8 is arranged at the upper end of the cavity 6, a cylindrical connecting rod I7 is vertically arranged in the cavity 6, the connecting rod I7 can slide in the cavity 6, and the upper end of the connecting rod I7 extends out of the support table 3; the bottom of the first connecting rod 7 is connected with a circular clamping plate 9, the diameter of the clamping plate 9 is larger than that of the first connecting rod 7, so that the lower end of the first connecting rod 7 is abutted to the flange 8 when sliding to the upper end of the cavity 6, and the first connecting rod 7 cannot slide out of the cavity 6; an extension spring 10 is vertically arranged in the cavity 6, one end of the extension spring 10 is fixedly connected with the bottom of the clamping plate 9, and the other end of the extension spring is fixedly connected with the bottom of the cavity 6.

Referring to fig. 1 and 3, the upper end of the first connecting rod 7 is connected with a connecting device 11, and the connecting device 11 comprises a telescopic rod 12, a second connecting rod 13 and a third connecting rod 14. The telescopic rod 12 is fixedly connected with the first connecting rod 7, the length direction of the telescopic rod 12 faces the sample tray 2, the telescopic rod 12 comprises an outer rod body 15, a pipe sleeve 16 and an inner rod body 17, the outer rod body 15 is a circular pipe, the inner rod body 17 is inserted into one end of the outer rod body 15, and the outer rod body 15 and the inner rod body 17 are coaxially sleeved; the other end of the outer rod body 15 is fixedly connected with the first connecting rod 7; referring to fig. 4, one end of the outer rod body 15 connected with the inner rod body 17 is vertically connected with a circle of sheet-shaped buckles 18 with the same interval with the end surface of the outer rod body 15; the pipe sleeve 16 comprises a cylinder 19 and a circular truncated cone 20, the larger bottom surface of the circular truncated cone 20 is fixedly connected with one end of the cylinder 19, the cylinder 19 and the circular truncated cone 20 are both hollow and coaxially communicated, the outer wall of the circular truncated cone 20 is uniform in thickness, and a first concave thread 21 is formed in the inner wall of the cylinder 19; the side wall of one end of the outer rod body 15, which is connected with the buckle 18, is provided with a second raised thread 22, the second thread 22 is matched with the first thread 21, and one end of the cylinder 19 is sleeved outside the outer rod body 15 and is in threaded connection with the pipe sleeve 16. When the telescopic rod 12 is fixed, the pipe sleeve 16 is screwed down towards the inner rod body 17, the circular truncated cone 20 presses the buckle 18 to enable the buckle 18 to press the inner rod body 17, and the inner rod body 17 is fixed; when the telescopic rod 12 needs to be extended and retracted, the pipe sleeve 16 is unscrewed towards the outer rod body 15, the circular truncated cone 20 releases the buckle 18, the buckle 18 releases the compression on the inner rod body 17 at the same time, and the inner rod body 17 moves along the length direction of the inner rod body.

Referring to fig. 1, a second connecting rod 13 is vertically connected to one end of a second inner rod 17, a third connecting rod 14 is horizontally connected to the lower end of the second connecting rod 13, one end of the third connecting rod 14 is fixedly connected to the lower end of the second connecting rod 13, referring to fig. 5, the other end of the third connecting rod 14 is horizontally connected to a clamping device 23, the clamping device 23 comprises a fourth connecting rod 24, a fixing rod 25 and a jacket 26, a through hole 27 is formed in the fourth connecting rod 24, L-shaped fixing rods 25 are respectively sleeved at two ends of the through hole 27, one ends of the two fixing rods 25 are connected to the through hole 27 through a tension spring structure, the other ends of the two fixing rods 25 are respectively connected to the semi-cylindrical jacket 26, the jacket 26 is fixedly connected to the fixing rod 25, a detection device 28 is clamped to the jacket 26, the size of the jacket 26 is matched with that of the detection device 28, the detection device 28 comprises a handle 29, the handle 29 is vertically clamped on the jacket 26, one end of the handle 29 is vertically connected with an elastic chuck 30, the lower end of the elastic chuck 30 is clamped with an extraction head 31, the extracted head 31 which is detached can be reused after being activated, in order to avoid time consumption for waiting for the activation of the extraction head 31, an activation device 32 is installed on the operating platform 1, a needle box 33 is installed on one side wall of the activation device 32, and the used extraction head 31 is placed in the activation device 32 and then stored in the needle box 33 for being directly used next time after being activated.

Referring to fig. 1 and 2, a first fixed pulley 34 is vertically installed at the upper end of the support table 3, the first fixed pulley 34 is located right above the first connecting rod 7, and the axis of the first fixed pulley 34 is perpendicular to the length direction of the telescopic rod 12; a weight table 4 is mounted on the side wall, opposite to the sample disc 2, of the support table 3 and far away from the sample disc 2, the weight table 4 is fixedly connected with the support table 3, the weight table 4 is provided with an open slot 35, the open slot 35 penetrates through the upper surface of the weight table 4, the depth of the open slot 35 is larger than the length of the connecting rod I7, a circular plate 36 is mounted inside the open slot 35, and the circular plate 36 can slide in the open slot 35; a weight 37 is placed on the upper surface of the circular plate 36, the weight 37 can enter the open slot 35, and the weight of the weight is greater than the sum of the tension of the connecting device 11, the clamping device 23, the detecting device 28 and the tension spring 10; the bottom of the weight platform 4 is vertically connected with a screw 38, the screw 38 is in threaded connection with the bottom of the weight platform 4, the top of the screw 38 penetrates through the lower end of the weight platform 4 to enter the open slot 35, and the screw 38 is fixedly connected with the circular plate 36; the upper end of the weight platform 4 is provided with a second fixed pulley 39, the second fixed pulley 39 is positioned above the weight 37, and the height of the second fixed pulley 39 is equal to that of the first fixed pulley 34; the upper end of the weight 37 is connected with a connecting rope 40, the other end of the connecting rope 40 is sequentially arranged at the upper end of the first fixed connecting rod 7 through a second fixed pulley 39 and a first fixed pulley 34, and two ends of the connecting rope 40 are fixedly connected with the weight 37 and the first connecting rod 7; when the detection device is used, when the screw rod 38 is screwed out of the open slot 35, the screw rod 38 drives the circular plate 36 to descend, the weight 37 drives the connecting rod I7 to descend through the connecting rope 40 under the action of gravity, the height of the connecting rod I7 extending out of the cavity 6 is increased, and therefore the height of the detection device 28 is increased; conversely, the screw 38 is screwed into the open slot 35, the connecting rope 40 is loosened, and the first connecting rod 7 is retracted into the cavity 6 under the action of gravity and the tension spring 10, so that the height of the detecting device 28 is reduced, thereby adjusting the height of the detecting device 28 from the sample plate 2.

Referring to fig. 1, a concave vertical cabinet 41 is provided on the side wall of the support table 3, and the vertical cabinet 41 is opposite to the detection device; the clothes closet 41 is connected with a cabinet door 42, the cabinet door 42 is hinged with the clothes closet 41 through a hinge, the cabinet door 42 rotates to cover the clothes closet 41, the extraction head 31 is taken down after the detection device 28 is used up, the height of the detection device 28 is adjusted, the telescopic rod 12 is adjusted to withdraw the detection device 28 into the clothes closet 41, and the cabinet door 42 is closed.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (9)

1. A positioning fixture of a harmful substance standard exceeding detection device comprises a detection device (28), wherein the detection device (28) comprises a handle (29), an elastic chuck (30) and an extraction head (31), the handle (29) is vertically arranged, the elastic chuck (30) is connected to the lower end of the handle (29), and the lower end of the elastic chuck (30) clamps the extraction head (31); the device is characterized in that the detection device (28) is connected with a clamping device (23), the clamping device (23) comprises two semi-cylindrical jackets (26), the size of each jacket (26) is matched with that of the detection device (28), and the jackets (26) are clamped on the side wall of the handle (29); the clamping device (23) is connected with a connecting device (11), and the connecting device (11) is fixedly connected with the clamping device (23); the connecting device (11) is connected with the supporting platform (3) through the lifting device, the side wall of the supporting platform (3) opposite to the detection device (28) is connected with the operating platform (1), and the operating platform (1) is fixedly connected with the supporting platform (3).

2. The positioning jig for the hazardous substance overproof detection apparatus according to claim 1, characterized in that: the clamping device (23) comprises two L-shaped fixing rods (25) and a fourth connecting rod (24), a through hole (27) is horizontally formed in the side wall of the fourth connecting rod (24), and the through hole (27) penetrates through the fourth connecting rod (24); one end of each fixing rod (25) is sleeved in the through hole (27) and connected in the through hole (27) through a tension spring structure, and the other end of each fixing rod (25) is fixedly connected with the clamping sleeve (26).

3. The positioning jig for the hazardous substance overproof detection apparatus according to claim 1, characterized in that: the lifting device comprises a first connecting rod (7), a heavy object (37), a heavy object table (4) and a screw (38), a cylindrical cavity (6) is formed in the supporting table (3) in the vertical direction, and the first connecting rod (7) is perpendicular to the supporting table (3) and extends into the cavity (6); the weight table (4) is fixedly connected to the side wall of the support table (3); the screw rod (38) extends into the weight table (4) and is in threaded connection with the bottom of the weight table (4), the weight (37) is placed at the upper end of the screw rod (38), and the total weight of the weight (37) is larger than the sum of the weight of the connecting rod I (7), the detection device (28) and a connecting structure between the connecting rod I and the detection device; the upper end of the weight (37) is connected with a connecting rope (40), and the connecting rope (40) is fixedly connected to the upper end of the connecting rod I (7) through a pulley block.

4. The positioning jig for a harmful substance overproof detection apparatus according to claim 3, characterized in that: the upper end of the cavity (6) is provided with a flange (8), the bottom of the first connecting rod (7) is connected with a circular clamping plate (9), and the diameter of the clamping plate (9) is equal to that of the cavity (6).

5. The positioning jig for a harmful substance overproof detection apparatus according to claim 4, characterized in that: the lower end of the clamping plate (9) is connected with a tension spring (10), and two ends of the tension spring (10) are fixedly connected with the bottom of the clamping plate (9) and the bottom of the cavity (6) respectively.

6. The positioning jig for the hazardous substance overproof detection apparatus according to claim 1, characterized in that: the connecting device (11) comprises a second connecting rod (13), a third connecting rod (14) and a telescopic rod (12), one end of the telescopic rod (12) is connected to a fourth connecting rod (24) through the third connecting rod (14) and the second connecting rod (13), and the telescopic rod (12) is horizontally arranged; the telescopic rod (12) comprises an outer rod body (15), a pipe sleeve (16) and an inner rod body (17), the outer rod body (15) is a circular pipe, and the inner rod body (17) is coaxially sleeved in the outer rod body (15); one end of the outer rod body (15) which is sleeved with the inner rod body (17) is connected with a circle of flaky buckles (18) with the same interval in a manner of being vertical to the end surface; the pipe sleeve (16) comprises a hollow cylinder (19) and a hollow circular truncated cone (20), the circular truncated cone (20) is coaxially communicated with the cylinder (19), the bottom of the circular truncated cone (20), which is large in contact surface, is fixedly connected with the cylinder (19), the cylinder (19) is sleeved outside the outer rod body (15), the cylinder (19) is in threaded connection with the outer rod body (15), and the circular truncated cone (20) is sleeved outside the fastener (18).

7. The positioning jig for a harmful substance overproof detection apparatus according to claim 6, characterized in that: vertical cabinet (41) have vertically been seted up on the lateral wall of brace table (3), and vertical cabinet (41) are relative with detection device (28), install cabinet door (42) on the lateral wall of brace table (3), and cabinet door (42) are relative with vertical cabinet (41) and cabinet door (42) are articulated with vertical cabinet (41).

8. The positioning jig for the hazardous substance overproof detection apparatus according to claim 1, characterized in that: an activation device (32) is vertically arranged on the operating platform (1).

9. The positioning jig for a hazardous substance overproof detection apparatus according to claim 8, characterized in that: a needle box (33) is mounted on the side wall of the activation device (32).

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