CN214794851U

CN214794851U - Sample adding gun with replaceable gun head

Info

Publication number: CN214794851U
Application number: CN202121320521.7U
Authority: CN
Inventors: 阮程; 钱陆祥; 黄璐
Original assignee: Jiaxing Kaishi Biotechnology Co ltd
Current assignee: Jiaxing Kaishi Biotechnology Co ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2021-11-19
Anticipated expiration: 2031-06-15

Abstract

The utility model provides a sample adding rifle of removable rifle head, mounting panel and motor lower mounting panel on the motor, fixedly connected with step motor between the mounting panel under mounting panel and the motor on the motor, one side of step motor is connected with rotatory screw rod, one side that one side of step motor just is located rotatory screw rod is connected with the linear bearing cover, the one end of rotatory screw rod is connected with the cylinder body. The utility model provides a pair of application of sample rifle of removable rifle head, through dismantling of setting prevent end cap and stainless steel rifle head, wherein the hole of blowing change is horizontal, can directly reduce the influence that spatters liquid and cause the rifle head jam, reduce the probability of jam, can dismantle simultaneously and prevent that the end cap can carry out comparatively convenient dismantlement with the stainless steel rifle head, be convenient for maintain the application of sample rifle, as long as take place rifle head jam problem, just extract immediately by hand and change and can dismantle on preventing the end cap, can solve the easy problem of blockking up of rifle head of follow-up use.

Description

Sample adding gun with replaceable gun head

Technical Field

The utility model relates to an application of sample rifle field especially relates to an application of sample rifle of removable rifle head.

Background

The sample adding gun is one kind of liquid shifter, and is used for shifting small amount or trace amount of liquid in lab, and has different sizes, different liquid shifting guns in different sizes may be matched with different gun heads in different sizes, and different manufacturers may produce different shapes.

The current application of sample rifle is dredging the cleanness back to the rifle head, can appear arm group again about 3 days time and inhale the relevant mistake of appearance, and the rifle head is maintained the frequency too high and dismouting rifle head process at every turn loaded down with trivial details, need recalibrate after the influence calibration point, has reduced its result of use.

Therefore, it is necessary to provide a sample injection gun with a replaceable gun head to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sample adding rifle of removable rifle head has solved current sample adding rifle and is dredging the clean back to the rifle head, can appear arm group once more about 3 days time and inhale the relevant mistake of appearance, and the rifle head is maintained the frequency and too high and dismouting rifle head process at every turn loaded down with trivial details, influences the problem that needs recalibration behind the calibration point.

In order to solve the technical problem, the utility model provides a sample adding gun with replaceable gun head, which comprises an upper motor mounting plate and a lower motor mounting plate, wherein a stepping motor is fixedly connected between the upper motor mounting plate and the lower motor mounting plate, one side of the stepping motor is connected with a rotary screw rod, one side of the stepping motor and one side of the rotary screw rod are connected with a linear bearing sleeve, one end of the rotary screw rod is connected with a cylinder body, one side of the cylinder body is connected with a Tip detection sleeve, one end of the Tip detection sleeve is connected with a Tip body, the other side of the lower motor mounting plate is fixedly connected with a guide rod, one end of the guide rod is connected with a piston and a screw rod mounting seat, one side of the piston and screw rod mounting seat is connected with a piston body, the outer wall of the piston body is connected with a gas sealing component, the interior of the Tip detection sleeve is connected with a stainless steel gun head, one side of the outer wall of the stainless steel gun head is connected with a detachable anti-blocking head.

Preferably, the air blowing hole of the detachable anti-blocking head is positioned on the side surface of the detachable anti-blocking head.

Preferably, the detachable anti-blocking head is detachably connected with the stainless steel gun head.

Preferably, one side of the cylinder body is communicated with one end of the stainless steel gun head.

Preferably, the piston body is in threaded connection with the rotary screw.

Preferably, the gas sealing assembly is matched with the piston body.

Compared with the prior art, the utility model provides a pair of application of sample rifle of removable rifle head has following beneficial effect:

the utility model provides a sample adding rifle of removable rifle head, through dismantling of setting prevent end cap and stainless steel rifle head, wherein the hole of blowing change is horizontal, can directly reduce the influence that spatters liquid and cause the rifle head jam, reduce the probability of jam, can dismantle simultaneously and prevent that the end cap can carry out comparatively convenient dismantlement with the stainless steel rifle head, be convenient for maintain the sample adding rifle, as long as take place rifle head jam problem, just extract immediately by hand and change and to dismantle and prevent the end cap, can solve the easy problem of blockking up of rifle head of follow-up use.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of a sample adding gun with a replaceable gun head according to the present invention;

FIG. 2 is a schematic left side view of the sample injection gun with a replaceable gun head shown in FIG. 1;

FIG. 3 is a schematic cross-sectional view of the sample injection gun with a replaceable gun head, taken along the line A-A in FIG. 1;

FIG. 4 is an enlarged view of the structure shown at B in FIG. 3;

fig. 5 is a right side view of the sample injection gun with a replaceable gun head shown in fig. 1.

Reference numbers in the figures: 1. an upper mounting plate of the motor; 2. a lower motor mounting plate; 3. a stepping motor; 4. rotating the screw; 5. a linear bearing housing; 6. a cylinder body; 7. a Tip detection sleeve; 8. a Tip body; 9. a guide bar; 10. a piston and screw mounting seat; 11. a piston body; 12. a gas seal assembly; 13. a stainless steel gun head; 14. the anti-blocking head can be detached.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a sample injection gun with a replaceable gun head according to the present invention; FIG. 2 is a schematic left side view of the sample injection gun with a replaceable gun head shown in FIG. 1; FIG. 3 is a schematic cross-sectional view of the sample injection gun with a replaceable gun head, taken along the line A-A in FIG. 1; FIG. 4 is an enlarged view of the structure shown at B in FIG. 3;

fig. 5 is a right side view of the sample injection gun with a replaceable gun head shown in fig. 1. The utility model provides a sample adding rifle of removable rifle head, mounting panel 2 under mounting panel 1 and the motor on the motor, fixedly connected with step motor 3 between mounting panel 2 under mounting panel 1 and the motor on the motor, one side of step motor 3 is connected with rotatory screw rod 4, one side of step motor 3 and the one side that is located rotatory screw rod 4 are connected with linear bearing cover 5, the one end of rotatory screw rod 4 is connected with cylinder body 6, one side of cylinder body 6 is connected with Tip and detects cover 7, the one end that Tip detected cover 7 is connected with Tip body 8, the opposite side fixedly connected with guide bar 9 of mounting panel 2 under the motor, the one end of guide bar 9 is connected with piston and screw rod mount pad 10, one side of piston and screw rod mount pad 10 is connected with piston body 11, the outer wall connection of piston body 11 has gas seal assembly 12, the internal connection that Tip detected cover 7 has stainless steel rifle head 13, outer wall one side of stainless steel rifle head 13 is connected with can dismantle and prevent end cap 14.

The air blowing hole of the detachable choke plug 14 is positioned on the side face of the detachable choke plug 14, so that the blocking probability can be reduced.

Can dismantle and prevent between end cap 14 and the stainless steel rifle head 13 for dismantling and be connected, the convenient dismantlement of maintaining of dismantling end cap 14 is increased to terminal surface department before the stainless steel rifle head 13, is convenient for change when blockking up.

One side of the cylinder body 6 is communicated with one end of the stainless steel gun head 13, so that the sample can be conveniently conveyed.

The piston body 11 is in threaded connection with the rotary screw rod 4, so that the piston body 11 can move more stably.

The gas sealing assembly 12 is matched with the piston body 11, and a good sealing effect can be achieved.

The utility model provides a pair of the theory of operation of application of sample rifle of removable rifle head as follows:

when using, through step motor 3 drive rotation screw 4 to change the inside pressure of cylinder body 6 through piston body 11, can absorb and discharge the sample, thereby can reach better application of sample effect, change the gas hole for horizontal, can directly reduce the influence that spatters liquid and block up the cause to the rifle head, can dismantle simultaneously and prevent that end cap 14 can carry out comparatively convenient dismantlement with stainless steel rifle head 13, be convenient for maintain the application of sample rifle.

prevent end cap 14 and stainless steel rifle head 13 through dismantling that sets up, wherein the gas hole change is horizontal, can directly reduce the influence that spatters liquid and stop up the cause to the rifle head, reduces the probability of jam, can dismantle simultaneously and prevent end cap 14 and can carry out comparatively convenient dismantlement with stainless steel rifle head 13, be convenient for maintain the application of sample rifle, as long as take place rifle head jam problem, just extract and change immediately by hand and can dismantle and prevent end cap 14, can solve the easy problem of blockking up of rifle head of follow-up use.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a sample adding rifle of removable rifle head, mounting panel (2) under mounting panel (1) and the motor on the motor, its characterized in that: fixedly connected with step motor (3) between mounting panel (2) under mounting panel (1) and the motor on the motor, one side of step motor (3) is connected with rotatory screw rod (4), one side of step motor (3) and the one side that is located rotatory screw rod (4) are connected with linear bearing cover (5), the one end of rotatory screw rod (4) is connected with cylinder body (6), one side of cylinder body (6) is connected with Tip detection cover (7), the one end of Tip detection cover (7) is connected with Tip body (8), the opposite side fixedly connected with guide bar (9) of mounting panel (2) under the motor, the one end of guide bar (9) is connected with piston and screw rod mount pad (10), one side of piston and screw rod mount pad (10) is connected with piston body (11), the outer wall connection of piston body (11) has gas seal subassembly (12), the interior of the Tip detection sleeve (7) is connected with a stainless steel gun head (13), and one side of the outer wall of the stainless steel gun head (13) is connected with a detachable choke plug (14).

2. A sample adding gun with a replaceable gun head as claimed in claim 1, characterized in that the air blowing hole of the detachable choke plug (14) is located at the side of the detachable choke plug (14).

3. A sample adding gun with a replaceable gun head as claimed in claim 1, characterized in that the detachable choke plug (14) is detachably connected with the stainless steel gun head (13).

4. A sample injection gun with a replaceable tip according to claim 1, characterised in that one side of the cylinder (6) communicates with one end of the stainless steel tip (13).

5. A sample adding gun with a replaceable gun head as claimed in claim 1, characterized in that the piston body (11) is in threaded connection with the rotary screw (4).

6. Sample injection gun with replaceable tip according to claim 1, characterised in that the gas seal assembly (12) is adapted to the piston body (11).