CN214935942U

CN214935942U - Auxiliary filling clamp

Info

Publication number: CN214935942U
Application number: CN202120765079.2U
Authority: CN
Inventors: 周振鸿; 卢颖斌; 李典正; 余辉
Original assignee: Shaoxing Shangyu Hualun Chemical Industry Co ltd
Current assignee: Shaoxing Shangyu Hualun Chemical Industry Co ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2021-11-30
Anticipated expiration: 2031-04-14

Abstract

The utility model belongs to the technical field of the chemical hazard filling technique and specifically relates to a supplementary filling anchor clamps is related to, it includes that a supplementary filling anchor clamps include presss from both sides tight elbow, stroke adjustment subassembly and bobbin, presss from both sides tight elbow including clamping part and installation department, bobbin and stroke adjustment subassembly fixed connection, the bobbin axis is located under the clamping part. This application simple structure, simple to operate makes things convenient for the staff to operate, improves work efficiency, can realize safe supplementary filling n-butyllithium chemical liquid.

Description

Auxiliary filling clamp

Technical Field

The application relates to the technical field of chemical hazardous article filling, in particular to an auxiliary filling clamp.

Background

Supplementary filling anchor clamps are used for supplementary intercommunication pipeline in filling n-butyl lithium chemical liquid to the filling bottle, and the operating space when valve body tube mouth department is narrow and small, when the staff's of not being convenient for operation, through supplementary filling anchor clamps, can make things convenient for the pipeline intercommunication.

Referring to fig. 1 and 2, the auxiliary filling fixture comprises a clamping elbow 1, a tube 14 and a clamping assembly. The clamping elbow 1 comprises a clamping part 101 and a mounting part 102, the mounting part 102 being perpendicular to the clamping part 101 and the tube 2 being parallel to the mounting part 102. The valve body nozzle is clamped between the clamping portion 101 and the barrel 14, and the valve body nozzle communicates with the barrel 14.

The clamping assembly comprises a sleeve 2, a spring 3, a connecting rod 9, an angle bracket 7 and a pull rod 8. Sleeve 2 fixed connection is in barrel 14, and spout 201 is seted up along its axial to sleeve 2 inner wall, and spout 201 intercommunication sleeve 2 outer wall, and installation department 102 sliding connection is in spout 201, and sliding connection has first pivot 4 in spout 201, and first pivot 4 passes installation department 102 and rotates and connect in installation department 102. One end of the sleeve 2 is closed, and the spring 3 is disposed in the sleeve 2 and abuts against the mounting portion 102. The angle bracket 7 comprises a second rotating shaft 5 rotatably connected to the closed end of the sleeve 2 and a third rotating shaft 6 fixedly connected to one end of the first rotating shaft 4, and the angle bracket 7 is positioned at a position, far away from the first rotating shaft 4, of the third rotating shaft 6 and is fixedly connected with a pull rod 8. Two ends of the connecting rod 9 are respectively and rotatably connected with the first rotating shaft 4 and the third rotating shaft 6.

The valve body nozzle is placed between the pipe barrel 14 and the clamping portion 101, the pipe barrel 14 is inserted into the valve body nozzle and communicated with the valve body nozzle, the pull rod 8 is rotated clockwise, at the moment, the connecting rod 9 drives the connecting rod 9 to drive the mounting portion 102 to move towards the spring 3, and the spring 3 is compressed. Until the tie-rod 8 is turned to be in line with the tie-rod 9, the tie-rod 9 reaches a dead point, at which the valve body orifice is clamped by the barrel 14 and the clamping portion 101.

But the current auxiliary filling clamp can only be suitable for the valve body pipe orifice of a pipe diameter, and the application range is small.

SUMMERY OF THE UTILITY MODEL

For making things convenient for the staff operation, improve work efficiency, this application provides an auxiliary filling anchor clamps.

The application provides a supplementary filling anchor clamps adopts following technical scheme:

the utility model provides an auxiliary filling anchor clamps, is including pressing from both sides tight elbow, stroke adjustment subassembly and bobbin, it includes clamping part and installation department to press from both sides tight elbow, stroke adjustment subassembly includes fixed connection in the sleeve of bobbin, adjusting screw and is used for ordering about the relative sleeve pivoted application of force spare of adjusting screw, adjusting screw includes threaded connection in the first screw thread portion of installation department and rotates the second screw thread portion of connecting in the sleeve, the screw thread pitch of first screw thread portion and second screw thread portion is different.

Through adopting above-mentioned technical scheme, when needs pour into filling bottle with filling n-butyllithium chemical liquid in, the valve body mouth of pipe and bobbin intercommunication, under the effect of application of force spare, through rotating adjusting screw, because of the pitch difference of first screw portion and second screw portion, axial displacement difference between them, for the tight adjustment distance of clamp of removal clamping part and bobbin, solved supplementary filling anchor clamps and can only be applicable to the valve body mouth of pipe of a pipe diameter, problem that application scope is little. The effect of high-efficient supplementary filling n-butyllithium chemical liquid has been realized, has saved the time that operating personnel changed supplementary filling anchor clamps, not only facilitates for operating personnel, has also improved operating personnel's work efficiency.

Optionally, the stroke adjustment assembly further comprises a first screw sleeve and a second screw sleeve, the first screw sleeve is fixedly connected with the installation part, the first screw sleeve is connected with the first thread part, the second screw sleeve is fixedly connected with the sleeve, and the second screw sleeve is connected with the second thread part.

Through adopting above-mentioned technical scheme, when anticlockwise rotation adjusting screw, the relative second screw rod cover of second screw portion screw in downwards, and first screw portion screws out downwards relative first screw rod cover, because the screw thread pitch of first screw portion and second screw portion is different, the stroke of the first screw rod cover of screw in is different with the stroke of the second screw rod cover of screwing out, and the difference of stroke is the tight distance of the tight elbow of adjustment clamp and clamping part, can realize the tight scope of clamp to valve body mouth of pipe external diameter size.

Optionally, the thread pitch of the second threaded portion is greater than the thread pitch of the first threaded portion.

By adopting the technical scheme, the force application point is close to the second thread part, the thread strength of the second thread part is higher, and the torsional strength of the adjusting screw can be improved.

Optionally, the adjusting screw is a single thread.

Through adopting above-mentioned technical scheme, single thread is because the helix angle is little, and the auto-lock nature is good, is difficult to the dropout, and adjusting screw intensity is high and can realize the fine setting.

Optionally, the optical axis portion is circumferentially provided with a bearing bush, the bearing bush is fixedly connected with the sleeve, and the bearing bush is in clearance fit with the optical axis portion.

Through adopting above-mentioned technical scheme, on the one hand can strengthen adjusting screw's support rigidity, and on the other hand, when rotating adjusting screw, reduces the friction with the sleeve, and the axle bush has good antifriction and wear-resisting characteristic, can effectively improve adjusting screw's life.

Optionally, a handle is arranged at the shaft end of the optical axis part of the adjusting screw.

Through adopting above-mentioned technical scheme, make things convenient for the staff to operate, be convenient for rotate adjusting screw.

Optionally, an arc concave hole is formed in the inner side of the outer wall of the clamping portion.

Through adopting above-mentioned technical scheme, the circular arc shrinkage pool can increase the tight area of clamp with valve body mouth of pipe external diameter, reduces installation department and the relative sliding distance of valve body mouth of pipe external diameter, guarantees the reliability of the pipe connection of filling n-butyl lithium chemical liquid.

Optionally, an elastic hose is sleeved on the outer surface of the clamping part.

Through adopting above-mentioned technical scheme, when pressing from both sides tight valve body mouth of pipe external diameter, the elastic hose can be impressed in the circular arc concave hole at the clamping process, and the increase can prevent to press from both sides tight valve body mouth of pipe external diameter with the area of contact of tight valve body mouth of pipe external diameter not hard up, and in addition, the elastic hose contacts with valve body mouth of pipe external diameter, has shock attenuation buffering and anti-skidding effect.

Optionally, the bearing bush is circumferentially provided with a plurality of pin shaft through holes, a sleeve matched with the bearing bush is circumferentially provided with a plurality of pin shaft holes, and the bearing bush and the sleeve are in interference fit through a pin shaft.

By adopting the technical scheme, the circumferential and axial fixation of the bearing bush and the sleeve can be realized, the structure is simple, and the operation is convenient.

Optionally, the pipe barrel and the stroke adjusting assembly are fixed through a connecting plate, a guide pipe is welded to the circumferential direction of the mounting portion, and the guide pipe can slide in a connecting plate pipe groove which is formed in the connecting plate and is parallel to the axial direction of the pipe barrel.

By adopting the technical scheme, the axis of the first pipe joint can be positioned right below the clamping part, and the clamping distance between the clamping part and the pipe barrel can be conveniently adjusted.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the n-butyl lithium chemical liquid filling device is simple in structure, low in cost and convenient to install, and can realize safe auxiliary filling of n-butyl lithium chemical liquid.

2. The clamping distance of the clamping part and the pipe barrel can be adjusted.

3. The looseness of the pipe orifice of the clamping valve body can be prevented, the damping, buffering and anti-skidding effects are achieved, and the reliability of the pipe orifice of the clamping valve body is improved.

Drawings

Fig. 1 is a schematic structural view of a conventional auxiliary filling jig.

Fig. 2 is an isometric view of a prior art auxiliary filling fixture.

Fig. 3 is a schematic structural view of an auxiliary filling jig with adjustable pipe diameter.

Fig. 4 is a sectional view taken along the line a of fig. 3.

Description of reference numerals: 1. clamping the elbow; 101. a clamping portion; 102. an installation part; 103. a circular arc concave hole; 2. a sleeve; 201. a chute; 3. a spring; 4. a first rotating shaft; 5. a second rotating shaft; 6. a third rotating shaft; 7. a corner bracket; 8. a pull rod; 9. a connecting rod; 10. bearing bushes; 11. a handle; 12. a fourth pin shaft; 13. a first pipe joint; 14. a tube barrel; 15. a second pipe joint; 16. a connecting plate; 17. a first socket head cap screw; 18. a first screw housing; 19. adjusting the screw rod; 191. a first threaded portion; 192. a second threaded portion; 193. a light axis part; 20. a second socket head cap screw; 21. a second screw sleeve; 22. an elastic hose; 23. a guide tube.

Detailed Description

The present application is described in further detail below with reference to figures 3-4.

The embodiment of the application discloses an auxiliary filling fixture,

referring to fig. 3 and 4, an auxiliary filling fixture includes a clamping elbow 1, a stroke adjustment assembly, and a tube. The clamping elbow 1 comprises a clamping part 101 and a mounting part 102. The two ends of the pipe barrel 14 are welded with a first pipe joint 13 and a second pipe joint 15, the first pipe joint 13 is communicated with the pipe orifice of the valve body, the second pipe joint 15 is communicated with an external n-butyl lithium chemical liquid pipeline, and the axis of the first pipe joint 13 is positioned right below the clamping portion 101. The stroke adjustment assembly is used to adjust the distance between the clamping portion 101 and the first pipe joint 13.

The stroke adjustment assembly comprises a first screw sleeve 18, an adjusting screw 19, a second screw sleeve 21, the sleeve 2, a first socket head cap screw 17 and a second socket head cap screw 20.

The sleeve 2 and the pipe barrel 14 are fixed by welding through the connecting plate 16, the sleeve 2 is parallel to the axis of the pipe barrel 14, the guide pipe 23 is welded on the circumferential direction of the mounting part 102, and the guide pipe 23 can slide in a pipe groove of the connecting plate which is parallel to the axial direction of the pipe barrel 14, so that the axis of the first pipe joint 13 is positioned right below the clamping part 101.

The adjusting screw 19 is provided with a first thread part 191, a second thread part 192 and an optical axis part 193 in sequence along the circumferential direction, in order to improve the torsional strength of the adjusting screw 19, the thread pitch of the second thread part 192 is larger than that of the first thread part 191, the first thread part 191 of the adjusting screw 19 is in threaded connection with the first screw sleeve 18, and the first screw sleeve 18 is connected with the mounting part 102 through the first hexagon socket head screw 17.

The second thread part 192 of the adjusting screw 19 is threadedly connected to the second screw housing 21, and the second screw housing 21 is connected to the socket 2 by the second socket head cap screw 20.

In order to improve the self-locking property of the threaded connection and prevent the threaded connection from being easily tripped, the first threads 191 and the second threads 192 are single-thread threads.

In order to enhance the supporting rigidity of the adjusting screw 19, reduce the friction with the sleeve 2 and prolong the service life of the adjusting screw 19, the optical axis part 193 is circumferentially provided with a bearing bush 10, the bearing bush 10 and the sleeve 2 are fixed through a pin shaft 12, the bearing bush 10 is circumferentially provided with a plurality of pin shaft 12 through holes, the sleeve 2 matched with the bearing bush is circumferentially provided with a plurality of pin shaft holes, the bearing bush 10 and the sleeve 2 are fixed through a pin shaft 24 for cold assembly, and the bearing bush 23 is in clearance fit with the optical axis part 195 so as to facilitate the rotation of the adjusting screw 19.

In order to facilitate the operation of workers and the rotation of the adjusting screw rod 19, a handle 11 is welded at the shaft end of the optical axis part 193, and the handle 11 is in a polygonal disc shape.

In order to reduce the relative sliding distance between the clamping part 101 and the outer diameter of the valve body pipe orifice, an arc concave hole 103 is arranged on the circumferential inner side of the clamping part 101.

In order to increase the contact area with the outer diameter of the clamping valve body pipe orifice and prevent the clamping valve body pipe orifice from loosening, the outer surface of the mounting portion 102 is sleeved with an elastic hose 22.

An implementation principle of an auxiliary filling fixture is as follows: when the n-butyl lithium chemical liquid is required to be filled into the filling bottle, the valve body pipe orifice is communicated with the first pipe joint 13, in order to clamp the outer diameter of the valve body pipe orifice, the second screw thread 192 is screwed downwards relative to the second screw sleeve 21 by rotating the handle 11 anticlockwise, the first screw thread 191 is screwed out downwards relative to the first screw sleeve 18, the stroke of screwing out the first screw sleeve 18 is smaller than the pitch of the second screw thread 192, the stroke of screwing out the first screw sleeve 18 is different than the stroke of screwing in the second screw sleeve 21, the sleeve 2 and the first pipe joint 13 are rigidly connected due to the fixed connection of the first screw sleeve 18 and the mounting part 102, and the difference of the strokes is used for adjusting the clamping distance between the clamping part 101 and the first pipe joint 13. The problem of the different and supplementary filling of needs change of valve body mouth of pipe external diameter size has been solved, has realized the effect of high-efficient supplementary filling n-butyllithium chemical liquid, has saved the time that operating personnel changed supplementary filling anchor clamps, not only facilitates for operating personnel, has also improved operating personnel's work efficiency.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An auxiliary filling clamp is characterized in that: including clamping elbow (1), stroke adjustment subassembly and bobbin (14), clamping elbow (1) is including clamping part (101) and installation department (102), and stroke adjustment subassembly includes fixed connection in sleeve (2) of bobbin (14), adjusting screw (19) and is used for driving adjusting screw (19) relative sleeve (2) pivoted application of force spare, adjusting screw (19) include threaded connection in the first screw thread portion (191) of installation department and rotate second screw thread portion (192) of connecting in sleeve (2), the thread pitch of first screw thread portion (191) and second screw thread portion (192) is different.

2. An auxiliary filling fixture according to claim 1, wherein: the stroke adjustment subassembly still includes first screw rod cover (18) and second screw rod cover (21), first screw rod cover (18) with installation department (102) fixed connection, first screw rod cover (18) are connected with first screw thread portion (191), second screw rod cover (22) with sleeve (2) fixed connection, second screw rod cover (21) with second screw thread portion (192) are connected.

3. An auxiliary filling fixture according to claim 1, wherein: the thread pitch of the second threaded portion (192) is greater than the thread pitch of the first threaded portion (191).

4. An auxiliary filling fixture according to claim 1, wherein: the adjusting screw rod (19) is a single thread.

5. An auxiliary filling fixture according to claim 2, wherein: the adjusting screw is provided with a light shaft part (193), a bearing bush (10) is arranged on the light shaft part (193) in the circumferential direction, the bearing bush (10) is fixedly connected with the sleeve (2), and the bearing bush (10) is in clearance fit with the light shaft part (193).

6. An auxiliary filling fixture according to claim 2, wherein: and a handle (11) is arranged at the shaft end of the optical axis part (193) of the adjusting screw rod (19).

7. An auxiliary filling fixture according to claim 1, wherein: and an arc concave hole (103) is formed in the inner side of the outer wall of the clamping part (101).

8. An auxiliary filling fixture according to claim 2, wherein: the outer surface of the clamping part (101) is sleeved with an elastic hose (22).

9. An auxiliary tapping jig as claimed in claim 6 wherein: the bearing bush (10) is circumferentially provided with a plurality of pin shaft through holes, the sleeve (2) matched with the bearing bush is circumferentially provided with a plurality of pin shaft holes, and the bearing bush (10) and the sleeve (2) are in interference fit through a pin shaft (12).

10. An auxiliary filling fixture according to claim 1, wherein: the pipe barrel and the stroke adjusting assembly are fixed through a connecting plate (16), the guide pipe (23) is welded on the circumferential direction of the mounting portion (102), a pipe groove axially parallel to the pipe barrel (14) is formed in the connecting plate (16), and the guide pipe (23) is connected in the pipe groove in a sliding mode.