CN210862507U

CN210862507U - Needle valve screw thread concentricity detection device

Info

Publication number: CN210862507U
Application number: CN201922354516.7U
Authority: CN
Inventors: 金锹华; 张恩明
Original assignee: Jiashan Mingyu Machinery Manufacturing Co ltd
Current assignee: Jiashan Mingyu Machinery Manufacturing Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-06-26
Anticipated expiration: 2029-12-24

Abstract

The utility model relates to a needle type valve screw thread concentricity detection device, including two difference threaded connection in the valve pipe detect the head, along detecting the head the central axis peg graft and sliding connection in the standard round bar that detects the head, the utility model discloses a detect only need with two detect the head respectively threaded connection to the both ends of valve pipe, peg graft the standard round bar again and get into can detect the valve pipe concentricity among the detection head, possess the testing process simply, the effect of easily operating.

Description

Needle valve screw thread concentricity detection device

Technical Field

The utility model relates to a valve check out test set especially relates to a needle valve screw thread concentricity detection device.

Background

The needle valve has a wide application range as a valve capable of being accurately adjusted, and the concentricity of a valve body pipe for installing the needle valve is detected due to the fact that the needle valve is accurate, and the valve body pipe 1 comprises a connecting pipe 11 and a valve pipe 12, wherein the connecting pipe 11 is provided with external threads at two ends and is used for connecting other pipelines, and one side of the valve pipe 12 is fixedly connected to the side of the connecting pipe 11 and is perpendicular to the central axis of the connecting pipe 11 and is used for installing internal components of the needle valve, and the structural diagram of the valve body pipe is shown in figure 1.

For example, a pipette concentricity detection device, publication number is CN209295889U, the on-line screen storage device comprises a base, the locating piece, connect a plurality of parallel arrangement's guide pillar on the base, locating piece slidable suit is on the guide pillar, suit positioning spring on the guide pillar, positioning spring sets up between base and locating piece, be equipped with the jack that is used for the cartridge pipette on the locating piece, be equipped with the regulation hole on the base, jack and regulation hole axis coincide, the piece is examined to regulation hole upper end installation standard, be equipped with the reference column on the piece lower surface is examined to the standard, be equipped with the inspection hole with pipette lower extreme adaptation on the piece upper surface is examined to the standard, reference column adaptation cartridge is in regulation hole.

According to the technical scheme, the pipette is inserted into the insertion hole at the lower end of the push rod, the positioning block drives the pipette to move downwards to adjust the position of the pipette, the positioning block moves upwards, and the standard distance detecting block is placed in the adjusting hole. Move down the locating piece again for the pipette detects the pipette concentricity among pegging graft the standard gauge piece, but, whole testing process is comparatively complicated, the operation of being not convenient for.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a needle valve screw thread concentricity detection device, it has the effect that the testing process is comparatively simple, easy operation.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a needle valve screw thread concentricity detection device, includes that two difference threaded connection run through in valve pipe and coaxial both ends and set up the detection head that detects the round hole, along detecting first the central axis peg graft and sliding connection in the standard round bar of detecting the head, be used for the whole fixed establishment that goes on of valve body pipe, standard round bar length is greater than the valve pipe and two length sums that detect the head.

Through adopting above-mentioned technical scheme, change over to the both ends of valve pipe respectively with two detection heads, after utilizing fixed establishment to carry out fixed mounting, insert one with standard circle pole again and detect among the head, if standard circle pole can follow another and detect and wear out among the head, show promptly that the concentricity of valve pipe satisfies the requirement, if can't wear out, the not satisfied requirement of concentricity of valve pipe promptly, whole device mechanism is simple, and operation process is comparatively simple and convenient, very practical.

The utility model discloses further set up to: detect the head including threaded connection in the screw rod of valve pipe both ends department, coaxial coupling in the screw rod keep away from valve pipe one end and the diameter is greater than the rotatory button head of screw rod.

Through adopting above-mentioned technical scheme, rotatory button head can drive the screw rod and rotate, and the detector installation of being convenient for detects the head.

The utility model discloses further set up to: the fixing mechanism comprises an L-shaped fixing plate, and one end of the fixing plate is provided with a fixing hole, one end of the connecting pipe can be plugged and can slide.

Through adopting above-mentioned technical scheme, the fixed plate can be comparatively stable place on the plane, with connecting pipe one end grafting get into among the fixed orifices, the fixed process is also very simple and convenient, mechanism and operation are all very convenient.

The utility model discloses further set up to: the fixed plate comprises an L-shaped bottom plate and a movable plate which is connected to the bottom plate in a sliding mode in the vertical direction and provided with a fixed hole, and the fixed plate is provided with a limiting mechanism capable of limiting the movement of the movable plate.

Through adopting above-mentioned technical scheme, when the valve pipe length that is detected is longer, unable vertical alright in order to remove the movable plate for distance grow between fixed orifices and the bottom plate, in order to satisfy valve pipe length requirement, be convenient for detect and go on.

The utility model discloses further set up to: stop gear includes that the several is vertical division in the spacing hole of the vertical side of movable plate, along spacing hole depth direction sliding connection in the bottom plate and can insert the stopper that gets into spacing hole, butt in the spacing spring of stopper and bottom plate, drive the stopper and keep away from or be close to the control mechanism in spacing hole, spacing hole length is less than spacing block length.

Through adopting above-mentioned technical scheme, make when removing the movable plate, drive the stopper through control mechanism and keep away from the fixed orifices earlier, remove the movable plate again, when removing suitable position, stop controlling control mechanism for spacing spring promotes the stopper and supports the movable plate side, carries out corresponding removal again and is close to the fixed orifices and insert into to the fixed orifices in, makes the movable plate accomplish fixedly, and is comparatively convenient.

The utility model discloses further set up to: the control mechanism comprises a control rod fixedly connected to the limiting block and slidably connected to the movable plate along the depth direction of the limiting hole, a protruding block rotatably connected to the bottom plate and abutted against the control rod, and a limiting knob rotatably connected to the outer wall of the bottom plate and coaxially and fixedly connected to the protruding block.

Through adopting above-mentioned technical scheme, rotate spacing knob and drive the lug and rotate, promote the control lever removal then for the control lever drives the stopper and keeps away from the fixed orifices, can remove the movable plate comparatively conveniently.

The utility model discloses further set up to: the movable plate comprises a rectangular plate which is connected to the bottom plate in a sliding mode in the vertical direction and a fixed block which is detachably connected to the rectangular plate and provided with a fixed hole.

Through adopting above-mentioned technical scheme, when the diameter of connecting pipe changed, can follow the rectangular plate with the fixed block and dismantle, change the fixed block that a fixed orifices satisfies the requirement again, need not change whole fixed plate again, but resources are saved reduces the cost.

The utility model discloses further set up to: the bottom surface of the bottom plate is provided with an anti-slip rubber layer.

By adopting the technical scheme, the anti-slip rubber layer can prevent the bottom plate from moving on the plane at will, and meanwhile, the phenomenon that the plane is easily marked is avoided.

To sum up, the utility model discloses following beneficial effect has at least:

the two detection heads are respectively rotated to the two ends of the valve pipe, after the two detection heads are fixedly installed by using the fixing mechanism, the standard round rod is inserted into one detection head, if the standard round rod can penetrate out of the other detection head, the concentricity of the valve pipe is shown to meet the requirement, and if the standard round rod cannot penetrate out, the concentricity of the valve pipe does not meet the requirement, so that the whole device is simple in mechanism, the operation process is simple and convenient, and the valve pipe is very practical;

the anti-slip rubber layer can prevent the bottom plate from moving randomly on a plane and simultaneously avoid easily causing traces on the plane.

Drawings

Fig. 1 is a main structure diagram of a first embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a second embodiment of the present invention.

Fig. 3 is a sectional view of the vertical plane of the bottom plate of the second embodiment.

In the figure, 1, a valve body pipe; 11. a connecting pipe; 12. a valve tube; 2. a detection head; 21. detecting the round hole; 22. a screw; 23. rotating the round head; 3. a standard round bar; 4. a fixing plate; 41. a fixing hole; 42. a base plate; 421. an anti-slip rubber layer; 422. a sliding groove; 423. a control slot; 43. a movable plate; 431. a rectangular plate; 432. a fixed block; 433. a sliding plate; 434. fixing screws; 44. a limiting hole; 45. a limiting block; 451. a block groove; 46. a limiting spring; 47. a control lever; 48. a bump; 49. a limit knob; 5. and (6) detecting holes.

Detailed Description

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

The first embodiment is as follows:

the utility model provides a needle valve screw thread concentricity detection device, refers to figure 1, including two can be respectively threaded connection in the valve pipe 12 both ends detect first 2, can peg graft and sliding connection in the standard circle pole 3 that detects first 2, can be with the whole fixed establishment who goes on fixing of valve pipe 1, detect the coaxial run-through in first 2 both ends and seted up and detect round hole 21, standard circle pole 3 is pegged graft and sliding connection in detecting first 2 along detecting round hole 21 the central axis direction, whole equipment and testing process are comparatively simple and convenient.

Referring to fig. 1, the detection head 2 includes a screw rod 22 threaded to the end of the valve tube 12, and a rotating round head 23 having a diameter larger than that of the screw rod 22 is coaxially and fixedly connected to an end of the screw rod 22 away from the valve tube 12.

Referring to fig. 1, fixed establishment is including being the fixed plate 4 of L shape, fixed plate 4 one end is close to seted up the cross-section and is circular shape fixed orifices 41, 11 tip grafting of connecting pipe and sliding connection in fixed orifices 41, fixed plate 4 bottom upper surface is seted up and is vertical and have a certain interval apart from the vertical section of fixed plate 4 inspection hole 5, if standard round bar 3 fails to peg graft after passing the detection head 2 that is located the low point and gets into in inspection hole 5, show promptly that valve pipe 12 is unsatisfied with the distance of connecting pipe 11 one end.

Example two:

referring to fig. 2 and 3, the difference from the first embodiment is that the fixed plate 4 includes a bottom plate 42 in an L shape, an anti-slip rubber layer 421 is adhered to the bottom surface of the bottom plate 42, a vertical sliding groove 422 is formed at the upper end of the bottom plate 42, a vertical movable plate 43 is slidably connected to the sliding groove 422 along the vertical direction, the movable plate 43 includes a sliding plate 433 slidably connected to the sliding groove 422 along the vertical direction, a vertical rectangular plate 431 fixedly connected to the upper surface of the sliding plate 433, and a fixed block 432 detachably connected to the rectangular plate 431, and the fixed block 432 is symmetrically inserted and slidably connected to a fixed screw 434 threadedly connected to the rectangular plate 431 by using the central axis of the fixed hole 41 as a boundary.

Referring to fig. 2 and 3, the fixed plate 4 is installed with a limiting mechanism capable of limiting the sliding motion of the sliding plate 433 in the sliding slot 422, the limiting mechanism includes two sets of three limiting holes 44 vertically and respectively and uniformly arranged on two width direction vertical sides of the sliding plate 433, and the central line axis is parallel to the length direction of the sliding plate 433, two width direction vertical sides of the sliding slot 422 are respectively provided with a block slot 451 parallel to the opening length direction of the sliding slot 422, the two block slots 451 are respectively and slidably connected with two limiting blocks 45 capable of being respectively inserted into the two sets of limiting holes 44 along the opening length direction of the sliding slot 422, the block slot 451 is provided with a limiting spring 46, two ends of which are respectively abutted against one end of the limiting block 45 departing from the limiting holes 44 and the bottom surface of the block slot 451, the bottom plate 42 is provided with a control slot 423 communicated with the block slot 451, the control slot 423 is slidably connected with two control rods 47, two control rods 47 are far away from the limit block 45, and are respectively connected with the control groove 423 in a rotating manner and the convex block 48 with the oval vertical section in a supporting manner, and the vertical side surface of the bottom plate 42 in the length direction is connected with the limit knob 49 which is fixedly connected with the convex block 48 in a rotating manner.

The implementation principle of the embodiment is as follows: examine time measuring, screw rod 22 with two detection heads 2 is screw in valve pipe 12 both ends department respectively, again with connecting pipe 11 one end grafting get into among the fixed orifices 41, again with valve pipe 12 place with vertical state, put into standard round bar 3 among the detection round hole 21 of the rotatory button head 23 that is located the upper portion again, make standard round bar 3 glide under self gravity, if wear out promptly among the detection round hole 21 of the rotatory button head 23 that is located the low point department in 3 bottoms of standard round bar and show the concentricity of valve pipe 12 and satisfy the requirement, otherwise then unsatisfied.

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

1. The utility model provides a needle valve screw thread concentricity detection device which characterized in that: including two respectively threaded connection in valve pipe (12) and both ends coaxial run through set up detect first (2) that detect round hole (21), along detecting first (2) the central axis peg graft and sliding connection in standard circle pole (3) that detect first (2), be used for carrying out the fixed establishment wholly to valve body pipe (1), standard circle pole (3) length is greater than the sum of the length of valve pipe (12) and two detection heads (2).

2. The needle valve thread concentricity detection apparatus of claim 1, wherein: detect head (2) including screw rod (22), coaxial coupling in screw rod (22) of threaded connection in valve pipe (12) both ends department keep away from valve pipe (12) one end and diameter and be greater than rotatory button head (23) of screw rod (22).

3. The needle valve thread concentricity detection apparatus of claim 1, wherein: the fixing mechanism comprises an L-shaped fixing plate (4), and one end of the fixing plate (4) is provided with a fixing hole (41) for inserting one end of a connecting pipe (11).

4. A needle valve thread concentricity detection apparatus as claimed in claim 3, wherein: the fixing plate (4) comprises an L-shaped bottom plate (42) and a movable plate (43) which is connected to the bottom plate (42) in a sliding mode in the vertical direction and provided with a fixing hole (41), and the fixing plate (4) is provided with a limiting mechanism capable of limiting the movement of the movable plate (43).

5. The needle valve thread concentricity detection apparatus of claim 4, wherein: limiting mechanism includes that the several is vertical division in limiting hole (44) of the vertical side of movable plate (43), along limiting hole (44) degree of depth direction sliding connection in bottom plate (42) and can insert stopper (45) that get into limiting hole (44), butt in limiting spring (46) of stopper (45) and bottom plate (42), drive stopper (45) keep away from or be close to the control mechanism in limiting hole (44), and limiting hole (44) length is less than stopper (45) length.

6. The needle valve thread concentricity detection apparatus of claim 5, wherein: the control mechanism comprises a control rod (47) which is fixedly connected to a limiting block (45) and is connected to the movable plate (43) in a sliding mode along the depth direction of the limiting hole (44), a convex block (48) which is rotatably connected to the bottom plate (42) and is abutted to the control rod (47), and a limiting knob (49) which is rotatably connected to the outer wall of the bottom plate (42) and is coaxially and fixedly connected to the convex block (48).

7. The needle valve thread concentricity detection apparatus of claim 4, wherein: the movable plate (43) comprises a rectangular plate (431) which is connected with the bottom plate (42) in a sliding mode along the vertical direction and a fixed block (432) which is detachably connected with the rectangular plate (431) and provided with a fixed hole (41).

8. The needle valve thread concentricity detection apparatus of claim 4, wherein: the bottom surface of the bottom plate (42) is provided with an anti-slip rubber layer (421).