CN213422065U - Suction pump screw rod helicla flute entry angle detection device - Google Patents
Suction pump screw rod helicla flute entry angle detection device Download PDFInfo
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- CN213422065U CN213422065U CN202021768139.8U CN202021768139U CN213422065U CN 213422065 U CN213422065 U CN 213422065U CN 202021768139 U CN202021768139 U CN 202021768139U CN 213422065 U CN213422065 U CN 213422065U
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Abstract
The utility model belongs to the technical field of the suction pump, especially, suction pump screw rod helicla flute entry angle detection device installs in the outside of suction pump screw rod helicla flute entry, provides simple and convenient measurement to the spiral angle of suction pump screw rod helicla flute entry, include: the detection device is provided with a spiral groove pipe, a fixed screw, a scale installation pipe, a hinge rod, a torsional spring, a rotating handle, a connecting rod and a snap fastener; the supporting device is provided with a fixing seat, a hinged plate, a supporting base and a supporting sliding pipe. This suction pump screw rod helicla flute entry angle detection device provides simple and convenient measurement to the spiral angle of suction pump screw rod helicla flute entry, and at the in-process of adjusting, plays the support installation effect to the detection device of suction pump screw rod helicla flute entry angle through strutting arrangement, and detection device is including setting up the scale installation pipe on strutting arrangement, and clamping screw etc. provides a simple and convenient measuring tool for the angle of helicla flute entry.
Description
Technical Field
The utility model relates to a suction pump technical field especially relates to a suction pump screw rod helicla flute entry angle detection device.
Background
The screw suction pump is a pump which makes water body spirally ascend along the axial direction by utilizing the rotation of a spiral blade.
At present mainly utilize the projecting apparatus to the measurement of this kind of screw suction pump helicla flute angle, three coordinate measuring apparatu, the photochemistry dividing head is measured with complicated equipment such as vertical measuring microscope, and operating personnel needs higher professional skill level, and complex operation, perhaps takes to cut open the sample and detect its entry angle, and these two kinds of modes are not convenient for detect in actual production, so the utility model discloses a solve above-mentioned technical problem's not enough.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Based on current suction pump screw rod helicla flute entry angle detection device is too complicated, the technical problem that detects not convenient for, the utility model provides a suction pump screw rod helicla flute entry angle detection device.
(II) technical scheme
The utility model provides a pair of suction pump screw rod helicla flute entry angle detection device installs in the outside of suction pump screw rod helicla flute entry, provides simple and convenient measurement to the spiral angle of suction pump screw rod helicla flute entry, include:
the detection device is provided with a spiral groove pipe, a fixed screw rod, a scale installation pipe, a hinge rod, a torsional spring, a rotating handle, a connecting rod and a snap fastener, wherein the inner wall of the spiral groove pipe is in a spiral groove shape, the scale installation pipe penetrates into the spiral groove pipe, the fixed screw rod is arranged on a supporting device, the hinge rod, the torsional spring and the scale installation pipe are arranged inside the scale installation pipe, and the rotating handle, the connecting rod and the pressing opening are arranged outside the scale installation pipe;
the supporting device is provided with a fixing seat, a hinged plate, a supporting base and a supporting sliding pipe, wherein the fixing seat is movably sleeved on the outer surface of the scale installation pipe, the hinged plate is arranged on the lower surface of the fixing seat, and the supporting base and the supporting sliding plate are arranged on the outer surface of the scale installation pipe.
Preferably, the inner wall of spiral groove pipe is the spiral flute form, the scale installation pipe penetrates the inside of spiral groove pipe, the diameter of spiral groove pipe slightly is greater than the diameter of scale installation pipe, the bottom and the top of scale installation pipe present sealed form, the circumferencial direction of scale installation pipe is carved with the multirow number of degrees, vertically is carved with the size.
Through above-mentioned technical scheme, the work piece that the spiral groove pipe was required to detect, the scale installation pipe penetrate the inside of spiral groove pipe and not the swivelling sliding of sliding connection scale installation pipe of being convenient for, the number of degrees of circumferencial direction is used for showing the rotatory angle of scale installation pipe, and fore-and-aft size is used for showing the distance that scale installation pipe removed.
Preferably, torsional spring fixed connection is at the interior roof of scale installation pipe, the upper portion surface of hinge bar with the fixed surface of torsional spring is connected, the fixed surface of lower part one side of hinge bar is connected with the telescopic link, the telescopic link with the hinge bar is connected and is the L type, the surface sliding connection of telescopic link has the flexible hole, the flexible hole is seted up one side lower part surface of scale installation pipe.
Through above-mentioned technical scheme, the torsional spring can not only increase a hinge force, can also increase a resilience force, sets up hinge bar and telescopic link in the inside of scale installation pipe, and hinge bar and telescopic link fixed connection are the L type, still is connected at the outside telescopic hole that sets up of its, and the scale installation pipe of being convenient for is connected with the helicla flute inner wall of helical flute pipe, and the extrusion force of telescopic link makes one side surface and the helicla flute inner wall sliding contact of hinge bar.
Preferably, the bottom of the rotary handle is threaded, a threaded groove is formed in the upper surface of the scale installation pipe, and the bottom surface of the rotary handle is in threaded connection with the upper surface of the scale installation pipe.
Through above-mentioned technical scheme, twist grip's rotation can be convenient for scale installation pipe and rotate the removal, makes its and scale installation pipe top screw thread fixed connection, when can be convenient for pass the support slide pipe with scale installation pipe, installs twist grip at the top of scale installation pipe again.
Preferably, one side surface of the connecting rod is fixedly connected with one side surface of the hinged rod, the outer surface of the connecting rod is threaded, a press hole is formed in one side surface of the scale installation pipe, the outer surface of the connecting rod is connected with the inner wall of the press hole in a sliding mode, a threaded pipe is sleeved on the outer surface of the connecting rod, and one side surface of the threaded pipe is fixedly connected with one side surface of the scale installation pipe.
Through above-mentioned technical scheme, connecting rod and hinge bar fixed connection can drive the hinge bar and carry out inside movement, and threaded connecting rod does not have the sliding connection of how much frictional force according to the hole, can be convenient for the connecting rod and do linear motion.
Preferably, a side surface of the snap is fixedly connected with a side surface of the connecting rod, a male bolt is sleeved on an outer surface of the connecting rod in a threaded manner, the male bolt is arranged below the snap, a narrow part inner wall of the male bolt is in threaded rotation with the outer surface of the connecting rod, and a wide part inner wall of the male bolt can be in threaded connection with the outer surface of the threaded pipe.
Through above-mentioned technical scheme, the narrow part of protruding type bolt and the threaded surface threaded connection of the connecting rod of snap-fastener below, its wide part and connecting rod are the cavity form, but the threaded inner wall of protruding type bolt wide part can install the screwed pipe surface threaded connection of pipe one side with the scale, is convenient for fix the connecting rod of rectilinear motion motionless.
Preferably, the inner wall sliding connection of fixing base has the scale installation pipe, the last fixed surface of fixing base is connected with the dial, the surface at scale installation pipe is established to the dial cover, the lower surface both sides of fixing base all articulate through the spring articulated slab.
Through above-mentioned technical scheme, the fixing base can be the same with the diameter of dial, and all activity cup joints the surface at scale installation pipe, is equipped with the surface that the pointer points to scale installation pipe on the dial.
Preferably, the lower surface of the hinged plate is provided with a through hole, the inner wall of the through hole is connected with the fixing screw in a sliding mode, the surface of the fixing screw is carved with dimensions, the lower surface of the fixing screw is in a threaded shape, and the lower surface of the fixing screw is connected with a fastening bolt in a threaded mode.
Through the technical scheme, the two hinged plates are arranged on the lower surfaces of the two sides of the fixed seat respectively, the spring can increase the tension of the hinged plates, the hinged plates are clamped on the outer surface of the spiral groove pipe and penetrate through the hinged plates on the two sides through the two fixing screw rods, the hinged plates are connected through the fastening bolts, and the size scales on the fixing screw rods are the outer diameter of the spiral groove pipe.
Preferably, prop the base with the surface sliding connection of scale installation pipe, the upper surface that supports the base is circular arc curved surface, with the surperficial in close contact with of scale installation pipe, the inner wall that supports the slide tube with the surface sliding connection of scale installation pipe, the diameter that supports the slide tube slightly is greater than the diameter of scale installation pipe.
Through above-mentioned technical scheme, the curved surface that supports the base can make scale installation pipe spiral slip under its supports, and the inside that supports the slide tube is the cavity form, and the diameter slightly is greater than scale installation pipe, avoids scale installation pipe horizontal hunting when spiral slip.
The utility model provides a beneficial effect does:
1. the device for detecting the inlet angle of the spiral groove of the screw rod of the suction pump provides simple and convenient measurement for the spiral angle of the inlet of the spiral groove of the screw rod of the suction pump. In the adjusting process, a scale installation pipe is penetrated into the spiral groove pipe for detection, so that practical large-scale equipment is avoided for measurement, or the spiral groove is prevented from being split and split for measurement, a torsional spring, a hinge rod and a telescopic rod structure are arranged in the scale installation, a connecting rod, a convex bolt and a snap fastener structure are arranged on the hinge rod, a press snap fastener can be driven, the hinged hinge rod drives the telescopic rod to stretch back into the scale installation pipe, the scale installation pipe can be conveniently penetrated into the spiral groove pipe, the simple installation of the detection device is achieved, the telescopic rod is embedded into the spiral groove pipe and then a rotating handle is rotated by loosening the snap fastener, the scale installation pipe can be spirally lifted in the spiral groove, the numerical value on the spiral installation pipe can be read through an indication disc, and after a fixing screw rod is fixed through a fastening bolt, the diameter of the spiral groove pipe can be known through the size numerical value on the fixing, the angle of the spiral groove pipe inlet is calculated through a fixed formula, the fixing seat can facilitate installation of the fixing screw and the indicating disc, the supporting base and the supporting sliding pipe can facilitate rotation movement of the scale installation pipe, and therefore the detection device and the supporting device which are simple in structure are used for detecting the angle of the spiral groove inlet of the screw rod of the suction pump.
Drawings
FIG. 1 is a schematic view of a suction pump screw spiral groove inlet angle detection device according to the present invention;
FIG. 2 is a front view of a scale installation tube structure of a spiral groove inlet angle detection device for a screw of a suction pump provided by the present invention;
FIG. 3 is a side view of a fixing screw structure of a spiral groove inlet angle detecting device for a screw of a suction pump according to the present invention;
fig. 4 is the utility model provides a suction pump screw rod helicla flute entry angle detection device's a structure enlargedly.
In the figure: 1. a spiral grooved tube; 2. fixing the screw rod; 21. fastening a bolt; 3. a scale mounting tube; 31. pressing holes; 4. a hinged lever; 41. a telescopic rod; 42. a telescopic hole; 5. a torsion spring; 6. rotating the handle; 7. a connecting rod; 71. a threaded pipe; 72. a male bolt; 8. snapping; 9. a fixed seat; 91. an indicator panel; 10. a hinge plate; 101. a through hole; 11. a support base; 12. and supporting the slide pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a suction pump screw spiral groove inlet angle detection device, mounted on the outside of a suction pump screw spiral groove inlet, provides simple and convenient measurement of the spiral angle of the suction pump screw spiral groove inlet, comprising:
the detection device is provided with a spiral groove pipe 1, a fixed screw rod 2, a scale installation pipe 3, a hinge rod 4, a torsion spring 5, a rotating handle 6, a connecting rod 7 and a snap fastener 8, the inner wall of the spiral groove pipe 1 is in a spiral groove shape, the scale installation pipe 3 penetrates into the spiral groove pipe 1, the fixed screw rod 2 is arranged on a supporting device, the hinge rod 4, the torsion spring 5 are arranged inside the scale installation pipe 3, and the rotating handle 6, the connecting rod 7 and a button are arranged outside the scale installation pipe 3;
the supporting device is provided with a fixing seat 9, a hinged plate 10, a supporting base 11 and a supporting sliding pipe 12, the fixing seat 9 is movably sleeved on the outer surface of the scale installation pipe 3, the hinged plate 10 is arranged on the lower surface of the fixing seat 9, and the supporting base 11 and the supporting sliding plate are arranged on the outer surface of the scale installation pipe 3.
In this embodiment, the inner wall of the spiral groove pipe 1 is in a spiral groove shape, the scale installation pipe 3 penetrates into the spiral groove pipe 1, the diameter of the spiral groove pipe 1 is slightly larger than that of the scale installation pipe 3, the bottom and the top of the scale installation pipe 3 are in a sealed shape, a plurality of rows of degrees are engraved in the circumferential direction of the scale installation pipe 3, and the scale installation pipe is longitudinally engraved with dimensions;
specifically, the spiral groove pipe 1 is a workpiece needing to be detected, the scale installation pipe 3 penetrates into the spiral groove pipe 1 instead of being connected in a sliding mode, so that the scale installation pipe 3 can slide in a rotating mode, the number of degrees in the circumferential direction is used for displaying the rotating angle of the scale installation pipe 3, and the longitudinal size is used for displaying the moving distance of the scale installation pipe 3.
In this embodiment, the torsion spring 5 is fixedly connected to the inner top wall of the scale mounting tube 3, the outer surface of the upper portion of the hinge rod 4 is fixedly connected to the outer surface of the torsion spring 5, the outer surface of one side of the lower portion of the hinge rod 4 is fixedly connected to the telescopic rod 41, the telescopic rod 41 is connected to the hinge rod 4 in an L shape, the outer surface of the telescopic rod 41 is slidably connected to the telescopic hole 42, and the telescopic hole 42 is formed in the outer surface of the lower portion of one side of the scale mounting tube;
specifically, the torsion spring 5 can not only increase a hinge force, but also increase a resilience force, the hinge rod 4 and the telescopic rod 41 are arranged inside the scale mounting tube 3, the hinge rod 4 and the telescopic rod 41 are fixedly connected in an L shape, the telescopic hole 42 is further arranged outside the scale mounting tube 3, the scale mounting tube 3 is conveniently connected with the inner wall of the spiral groove tube 1, and the extrusion force of the telescopic rod 41 enables the surface of one side of the hinge rod 4 to be in sliding contact with the inner wall of the spiral groove tube 1.
In the embodiment, the bottom of the rotating handle 6 is in a thread shape, the upper surface of the scale installation tube 3 is provided with a thread groove, and the bottom surface of the rotating handle 6 is in threaded connection with the upper surface of the scale installation tube 3;
specifically, the rotation of twist grip 6 can be convenient for scale installation pipe 3 to rotate and move, makes it and 3 top screw thread fixed connection of scale installation pipe, can be convenient for pass support slide 12 with scale installation pipe 3 when, again with twist grip 6 install the top at scale installation pipe 3.
In this embodiment, one side surface of the connecting rod 7 is fixedly connected with one side surface of the hinge rod 4, the outer surface of the connecting rod 7 is in a threaded shape, one side surface of the scale installation tube 3 is provided with a pressing hole 31, the outer surface of the connecting rod 7 is slidably connected with the inner wall of the pressing hole 31, the outer surface of the connecting rod 7 is sleeved with a threaded tube 71, and one side surface of the threaded tube 71 is fixedly connected with one side surface of the scale installation tube 3;
specifically, the connecting rod 7 is fixedly connected with the hinge rod 4, the hinge rod 4 can be driven to move inwards, and the threaded connecting rod 7 is slidably connected in the pressing hole 31 without much friction, so that the connecting rod 7 can move linearly.
In this embodiment, one side surface of the snap 8 is fixedly connected with one side surface of the connecting rod 7, the outer surface of the connecting rod 7 is in threaded sleeve connection with a convex bolt 72, the convex bolt 72 is arranged below the snap 8, the inner wall of the narrow part of the convex bolt 72 is in threaded rotation with the outer surface of the connecting rod 7, and the inner wall of the wide part of the convex bolt 72 can be in threaded connection with the outer surface of the threaded pipe 71;
specifically, the narrow portion of the male bolt 72 is screwed to the threaded surface of the connecting rod 7 below the snap 8, and the wide portion thereof is hollow in the connecting rod 7, but the inner threaded wall of the wide portion of the male bolt 72 is screwed to the outer surface of the threaded pipe 71 on the scale mounting pipe 3 side, so that the connecting rod 7 which moves linearly is fixed.
In this embodiment, the inner wall of the fixed seat 9 is slidably connected with the scale mounting tube 3, the upper surface of the fixed seat 9 is fixedly connected with the indicating disc 91, the indicating disc 91 is sleeved on the outer surface of the scale mounting tube 3, and both sides of the lower surface of the fixed seat 9 are hinged with the hinged plates 10 through springs;
specifically, the fixing seat 9 may have the same diameter as the indicating plate 91, and both are movably sleeved on the outer surface of the scale installation tube 3, and the indicating plate 91 is provided with an outer surface of the pointer pointing to the scale installation tube 3.
In the embodiment, the lower surface of the hinge plate 10 is provided with a through hole 101, the inner wall of the through hole 101 is connected with a fixing screw 2 in a sliding manner, the surface of the fixing screw 2 is carved with a size, the lower surface of the fixing screw 2 is in a thread shape, and the lower surface of the fixing screw 2 is connected with a fastening bolt 21 in a thread manner;
specifically, two hinge plates 10 are arranged on the lower surfaces of two sides of the fixed seat 9 respectively, the spring can increase the tension force to clamp the hinge plates on the outer surface of the spiral groove pipe 1, two fixing screw rods 2 penetrate through the hinge plates 10 on two sides to connect, and fastening bolts 21 are used for fastening the hinge plates 10, and the size scale on the fixing screw rods 2 is the outer diameter of the spiral groove pipe 1.
In this embodiment, the supporting base is slidably connected to the surface of the scale installation tube 3, the upper surface of the supporting base 11 is an arc curved surface and is in close contact with the surface of the scale installation tube 3, the inner wall of the supporting sliding tube 12 is slidably connected to the outer surface of the scale installation tube 3, and the diameter of the supporting sliding tube 12 is slightly larger than that of the scale installation tube 3;
specifically, the curved surface of the supporting base 11 enables the scale installation tube 3 to spirally slide under the support thereof, and the inside of the supporting sliding tube 12 is hollow and has a diameter slightly larger than that of the scale installation tube 3, so that the scale installation tube 3 is prevented from swinging left and right when spirally sliding.
The device for detecting the inlet angle of the spiral groove of the screw rod of the suction pump provides simple and convenient measurement for the spiral angle of the inlet of the spiral groove of the screw rod of the suction pump. During the adjustment process, the scale installation tube 3 is inserted into the spiral groove tube 1 for detection, so that the practical large-scale equipment is avoided for measurement, or the threaded groove is prevented from being split and split for measurement, the torsional spring 5, the hinge rod 4 and the telescopic rod 41 are arranged in the scale installation, the connecting rod 7, the convex bolt 72 and the snap-fastener 8 are arranged on the hinge rod 4, the snap-fastener 8 can be pressed, the hinged hinge rod 4 drives the telescopic rod 41 to stretch back into the scale installation tube 3, so that the scale installation tube 3 can penetrate into the spiral groove tube 1, the simple installation of the detection device is achieved, the rotary handle 6 is rotated after the telescopic rod 41 is embedded into the spiral groove tube 1 by loosening the snap-fastener 8, the scale installation tube 3 can rise in the spiral groove in a spiral mode, the numerical value on the spiral installation tube can be read through the indicating disc 91, and the fixing screw 2 is fixed through the fastening bolt 21, can know the diameter of spiral groove pipe 1 through the last size numerical value of clamping screw 2, the angle that 1 entry of spiral groove pipe was calculated to the fixed formula of rethread, and fixing base 9 can be convenient for clamping screw 2 and the installation of dial 91, support base 11 and the rotatory removal that supports slide pipe 12 can be convenient for scale installation pipe 3 to realized using simple structure's detection device and strutting arrangement, to the detection of suction pump screw rod spiral groove entry angle.
The working principle is as follows: in the specific embodiment of the utility model, the fixing seat 9 is erected outside the spiral groove pipe 1, the hinged plates 10 are pulled, the inner walls of the two hinged plates 10 are tightly attached to the outer surface of the spiral groove pipe 1, the fixing screw 2 is passed through the through hole 101 of the hinged plates 10, the two hinged plates 10 are connected, the fastening bolt 21 is screwed in, the inner walls of the hinged plates 10 are tightly attached to the inner wall of the spiral groove pipe 1, the size value on the fixing screw 2 is read, the diameter of the spiral groove pipe 1 can be known, the scale mounting pipe 3 is inserted into the middle part of the fixing seat 9 and the indicating disc 91, the connecting rod 7 is pressed against the hinge rod 4 to shrink by pressing the snap fastener 8, the telescopic rod 41 at the bottom of the hinge rod 4 is driven to retract into the scale mounting pipe 3, after the scale mounting pipe 3 is fed into the spiral groove pipe 1 to a certain depth, the snap fastener 8 is loosened, the telescopic rod 41 is propped against the inner wall of the spiral groove pipe 1, the telescopic rod 41 is embedded into the spiral groove in the spiral groove pipe 1 by slightly rotating the scale installation pipe 3, when the telescopic rod is embedded, the snap fastener 8 can be contracted to prop against the spiral groove, then the connecting rod 7 is fixed with the spiral pipe 71 by rotating the convex bolt 72, when the scale installation pipe 3 is prevented from ascending, under the action of the hinge force, the telescopic rod 41 is separated from the spiral groove, after the scale installation pipe 3 is fixed, the rotary handle 6 is connected with the top of the rotary handle through threads, so that the scale installation pipe 3 is convenient to rotate, when the rotary handle 6 is rotated, the telescopic rod 41 rotates and moves upwards along the spiral groove of the spiral groove pipe 1 to drive the scale installation pipe 3 to move out of the interior of the spiral groove pipe 1, and at the moment, the rotating angle and the longitudinal moving distance of the scale installation pipe 3 can be known through the degree and the, the diameter of the spiral groove pipe 1 is measured by combining the fixed screw 2, the spiral angle of the spiral groove pipe 1 can be obtained by substituting a fixed formula, and the supporting base 11 and the supporting sliding pipe 12 play a supporting role in the movement of the scale installation pipe 3.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (9)
1. A suction pump screw spiral groove inlet angle detection device, comprising:
the detection device is provided with a spiral groove pipe (1), a fixing screw rod (2), a scale installation pipe (3), a hinge rod (4), a torsional spring (5), a rotating handle (6), a connecting rod (7) and a snap fastener (8), wherein the inner wall of the spiral groove pipe (1) is in a spiral groove shape, the scale installation pipe (3) penetrates into the spiral groove pipe (1), the fixing screw rod (2) is arranged on a supporting device, the hinge rod (4), the torsional spring (5) is arranged inside the scale installation pipe (3), and the rotating handle (6), the connecting rod (7) and the snap fastener (8) are arranged outside the scale installation pipe (3);
the supporting device is provided with a fixing seat (9), a hinged plate (10), a supporting base (11) and a supporting sliding pipe (12), wherein the fixing seat (9) is movably sleeved on the outer surface of the scale installation pipe (3), the hinged plate (10) is arranged on the lower surface of the fixing seat (9), and the supporting base (11) and the supporting sliding plate are arranged on the outer surface of the scale installation pipe (3).
2. A suction pump screw spiral groove inlet angle detection device as claimed in claim 1, wherein: scale installation pipe (3) penetrate the inside of spiral groove pipe (1), the diameter of spiral groove pipe (1) slightly is greater than the diameter of scale installation pipe (3), the bottom and the top of scale installation pipe (3) present sealed form, the circumferencial direction of scale installation pipe (3) is carved with the multirow number of degrees, vertically is carved with the size.
3. A suction pump screw spiral groove inlet angle detection device as claimed in claim 1, wherein: torsional spring (5) fixed connection is at the interior roof of scale installation pipe (3), the upper portion surface of hinge bar (4) with the external fixed surface of torsional spring (5) is connected, the external fixed surface in lower part one side of hinge bar (4) is connected with telescopic link (41), telescopic link (41) with hinge bar (4) are connected and are the L type, the surface sliding connection of telescopic link (41) has flexible hole (42), flexible hole (42) are seted up one side lower part surface of scale installation pipe (3).
4. A suction pump screw spiral groove inlet angle detection device as claimed in claim 1, wherein: the bottom of the rotary handle (6) is threaded, a thread groove is formed in the upper surface of the scale installation pipe (3), and the bottom surface of the rotary handle (6) is in threaded connection with the upper surface of the scale installation pipe (3).
5. A suction pump screw spiral groove inlet angle detection device as claimed in claim 1, wherein: the utility model discloses a scale installation pipe, including articulated rod (4), connecting rod (7), scale installation pipe (3), one side surface of connecting rod (7) with one side fixed surface of articulated rod (4) is connected, the surface of connecting rod (7) presents the screw thread form, press hole (31) have been seted up to one side surface of scale installation pipe (3), the surface of connecting rod (7) with press the inner wall sliding connection in hole (31), screwed pipe (71) have been cup jointed to the surface of connecting rod (7), one side surface of screwed pipe (71) with one side fixed surface of scale installation pipe (3) is connected.
6. The suction pump screw spiral groove inlet angle detection device of claim 5, wherein: one side surface of the snap fastener (8) is fixedly connected with one side surface of the connecting rod (7), a convex bolt (72) is sleeved on the outer surface of the connecting rod (7) in a threaded manner, the convex bolt (72) is arranged below the snap fastener (8), the inner wall of the narrow part of the convex bolt (72) is in threaded rotation with the outer surface of the connecting rod (7), and the inner wall of the wide part of the convex bolt (72) can be in threaded connection with the outer surface of the threaded pipe (71).
7. A suction pump screw spiral groove inlet angle detection device as claimed in claim 1, wherein: the inner wall sliding connection of fixing base (9) has scale installation pipe (3), the last fixed surface of fixing base (9) is connected with indicator panel (91), the surface at scale installation pipe (3) is established in indicator panel (91) cover, the lower surface both sides of fixing base (9) all articulate through the spring articulated slab (10).
8. A suction pump screw spiral groove inlet angle detection device as claimed in claim 1, wherein: through-hole (101) have been seted up on the lower part surface of articulated slab (10), the inner wall of through-hole (101) slides and has connect fixing screw (2), the size is carved with on fixing screw's (2) surface, fixing screw's (2) lower part surface presents the screw thread form, fixing screw's (2) lower surface threaded connection has fastening bolt (21).
9. A suction pump screw spiral groove inlet angle detection device as claimed in claim 1, wherein: support base (11) with the surface sliding connection of scale installation pipe (3), the upper surface that supports base (11) is circular arc curved surface, with the surperficial in close contact with of scale installation pipe (3), support the inner wall of slide tube (12) with the surface sliding connection of scale installation pipe (3), the diameter that supports slide tube (12) slightly is greater than the diameter of scale installation pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021768139.8U CN213422065U (en) | 2020-08-22 | 2020-08-22 | Suction pump screw rod helicla flute entry angle detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021768139.8U CN213422065U (en) | 2020-08-22 | 2020-08-22 | Suction pump screw rod helicla flute entry angle detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213422065U true CN213422065U (en) | 2021-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021768139.8U Active CN213422065U (en) | 2020-08-22 | 2020-08-22 | Suction pump screw rod helicla flute entry angle detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213422065U (en) |
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2020
- 2020-08-22 CN CN202021768139.8U patent/CN213422065U/en active Active
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