CN215508684U - Clamping jig of urea sensor - Google Patents
Clamping jig of urea sensor Download PDFInfo
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- CN215508684U CN215508684U CN202121440866.6U CN202121440866U CN215508684U CN 215508684 U CN215508684 U CN 215508684U CN 202121440866 U CN202121440866 U CN 202121440866U CN 215508684 U CN215508684 U CN 215508684U
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- pressing block
- notch
- urea sensor
- clamping
- clamping jig
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Abstract
The utility model discloses a clamping jig of a urea sensor.A lower pressing block is arranged on a base, the top of the lower pressing block is hinged with an upper pressing block through a pin shaft, and the upper pressing block can swing up and down around the pin shaft; the top surface of the lower pressing block is provided with a lower notch, the bottom surface of the upper pressing block is correspondingly provided with an upper notch, and the lower notch and the upper notch are similar to the outline shape of a clamping piece of the urea sensor. According to the utility model, the lower pressing block and the upper pressing block are respectively provided with the profiling surfaces matched with the profile sizes of the clamping pieces, when the clamping pieces are clamped, the profiling surfaces of the lower pressing block and the upper pressing block are respectively attached and pressed to the outer surfaces of the clamping pieces, the attaching area is large, the whole attaching surface is under the action of the pressing force, the upper part and the lower part of the clamping pieces are tightly attached under the pressure, after the screws and the nuts are locked, the clamping pieces can be tightly locked on the back filter screen, the locking is firm, and the reliability is high.
Description
Technical Field
The utility model relates to the technical field of processing tools, in particular to a clamping jig for a urea sensor.
Background
The urea sensor is in process of production, returns the filter screen when processes such as punching press is bent, can lead to the hole site of the clamping piece of fixed filter screen to produce the deviation, and behind the locking screw on the clamping piece, the clamping piece is not tight enough to returning the filter screen lock, fixes to not firm enough, and the reliability is low.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects that the clamping pieces on the return filter screen of the existing urea sensor are not firmly locked enough and the reliability is low, the clamping jig of the urea sensor with a reasonable structure is provided, the clamping pieces are clamped by the matching of the upper pressing block and the lower pressing block, the clamping pieces are firmly locked, and the reliability is high.
The technical scheme adopted by the utility model is as follows:
a clamping jig for a urea sensor is characterized in that a lower pressing block is arranged on a base, the top of the lower pressing block is hinged with an upper pressing block through a pin shaft, and the upper pressing block can swing up and down around the pin shaft; the top surface of the lower pressing block is provided with a lower notch, the bottom surface of the upper pressing block is correspondingly provided with an upper notch, and the lower notch and the upper notch are similar to the outline shape of a clamping piece of the urea sensor.
As a further improvement of the above technical solution:
the inner side surface of the lower notch is a lower profiling surface, and the profile size of the lower profiling surface is matched with the profile size of the lower part of the clamping piece.
The inner side surface of the upper notch is an upper profiling surface, and the profile size of the upper profiling surface is matched with the profile size of the upper part of the clamping piece.
The lower profiling surface is in a lying 3 shape, and the upper profiling surface is in a lying 3 shape.
The front end part of the lower pressing block is provided with a U-shaped groove, and a step is arranged in the U-shaped groove; the U-shaped groove corresponds to the mounting hole position of the clamping piece.
The front end part of the upper pressing block is provided with a notch, and the notch corresponds to the mounting hole position of the clamping piece.
One end of the upper pressing block is connected with the air cylinder, and the air cylinder drives the upper pressing block to swing around the hinge point during use.
The rear end part of the upper pressing block, which is connected with the air cylinder, is provided with a connecting hole, the connecting hole is a long round hole, and the bottom of the rear end of the upper pressing block is provided with an inclined plane.
Still be provided with on the base and decide the piece, decide the top surface of piece and seted up and place the mouth, the medial surface of placing the mouth is curved face of placing, places the contour dimension of face and the outer contour dimension phase-match of urea sensor's head.
The lower pressing block is an Contraband-shaped block and is provided with a lower horizontal part, a vertical part and an upper horizontal part; the lower horizontal part is fixed on the base, the top of the vertical part is provided with a hinged part, and the hinged part is provided with a first pin hole for penetrating a pin shaft; the lower notch and the U-shaped groove are arranged on the upper horizontal part.
The utility model has the following beneficial effects:
according to the utility model, the lower pressing block and the upper pressing block are respectively provided with the profiling surfaces matched with the profile sizes of the clamping pieces, when the clamping pieces are clamped, the profiling surfaces of the lower pressing block and the upper pressing block are respectively attached and pressed to the outer surfaces of the clamping pieces, the attaching area is large, the whole attaching surface is under the action of the pressing force, the upper part and the lower part of the clamping pieces are tightly attached under the pressure, after the screws and the nuts are locked, the clamping pieces can be tightly locked on the back filter screen, the locking is firm, and the reliability is high.
The U-shaped groove of the lower pressing block is convenient for the upper and lower pieces of the nut and the correction and adjustment of the locking screw. The gap of the upper pressing block leaves an operation space for screwing the screw.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a cross-sectional view of FIG. 1, with the upper and lower compacts without the clamping jaws.
FIG. 3 is a cross-sectional view of FIG. 1, with the upper and lower press blocks compressing the jaws.
Fig. 4 is a perspective view of the lower press block.
Fig. 5 is a left side view of fig. 4.
FIG. 6 is a left side view of the upper press block.
FIG. 7 is a top view of the upper press block.
Fig. 8 is a perspective view of the fixed block.
In the figure: 1. a base; 2. pressing the block; 21. a lower horizontal portion; 22. a vertical portion; 23. an upper horizontal portion; 24. a hinge portion; 241. a first pin hole; 25. a lower notch; 251. a lower profiling surface; 26. a U-shaped groove; 261. a step; 3. pressing the blocks; 31. an upper recess; 311. an upper profiling surface; 32. a second pin hole; 33. connecting holes; 34. a bevel; 35. a notch; 4. a setting block; 41. a placement port; 411. placing the noodles; 5. a cylinder; 51. a cylinder block; 52. a piston rod; 6. a pin shaft; 7. a urea sensor; 71. a head portion; 72. returning the filter screen; 73. a clip.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 to 3, a lower pressing block 2 and a fixed block 4 are vertically arranged on a base 1 of the utility model; an upper pressing block 3 is arranged above the lower pressing block 2, and the upper pressing block 3 is hinged on the lower pressing block 2 through a pin shaft 6; the cylinder 5 is arranged behind the lower pressing block 2, the cylinder seat 51 of the cylinder 5 is fixed on the base 1, the piston rod 52 of the cylinder 5 is connected with the upper pressing block 3, and the upper pressing block 3 can be driven by the piston rod 52 to swing up and down around the pin shaft 6.
As shown in fig. 2 to 5, the lower press block 2 is an "Contraband" type block, and has a lower horizontal portion 21, a vertical portion 22, and an upper horizontal portion 23. The lower horizontal portion 21 is fixed on the base 1, the top of the vertical portion 22 extends upwards to form a hinge portion 24, and the hinge portion 24 is provided with a first pin hole 241 for penetrating the pin 6. The top surface of the upper horizontal part 23 is provided with a lower notch 25, the outline shape of the lower notch 25 is similar to the outline shape of a clamping piece 73 of the urea sensor 7, the inner side surface of the lower notch 25 is a lying 3-shaped lower contour surface 251, and the outline size of the lower contour surface 251 is matched with the outline size of the lower part of the clamping piece 73. The front end part of the upper horizontal part 23 is provided with a U-shaped groove 26 corresponding to the mounting hole position of the clamping piece 73, a step 261 is arranged in the U-shaped groove 26, the step 261 is used for placing a nut, the U-shaped groove 26 is convenient for the upper and lower pieces of the nut, and the correction and adjustment of the locking screw are also convenient.
As shown in fig. 2, 3 and 6, a second pin hole 32 for passing through the pin shaft 6 is correspondingly formed in the middle of the upper pressing block 3. The front part of the upper pressing block 3 is positioned above the upper horizontal part 23 of the lower pressing block 2, the bottom surface of the front part of the upper pressing block 3 is provided with an upper notch 31, the upper notch 31 corresponds to the lower notch 25, the outline shape of the upper notch 31 is similar to the outline shape of the clamping piece 73 of the urea sensor 7, the inner side surface of the upper notch 31 is a horizontal 3-shaped upper profiling surface 311, and the outline size of the upper profiling surface 311 is matched with the outline size of the upper part of the clamping piece 73. The front end part of the upper pressing block 3 is provided with a notch 35 corresponding to the mounting hole position of the clamping piece 73, and the notch 35 leaves an operating space for screwing the screw. The rear part of the upper pressing block 3 is positioned above the air cylinder 5, the rear part of the upper pressing block 3 is provided with a connecting hole 33, the upper pressing block is connected with a piston rod 52 of the air cylinder 5 through the connecting hole 33 by adopting a connecting piece, and the connecting hole 33 is a long round hole and provides enough movement space for the connecting piece, so that the piston rod 52 drives the upper pressing block 3 to swing smoothly; an inclined plane 34 is arranged at the bottom of the rear end of the upper pressing block 3, and the upper pressing block 3 is allowed to swing up and down to give way, so that the upper pressing block 3 is guaranteed to have a sufficient swing range.
As shown in fig. 7, the top surface of the fixed block 4 is provided with a placing opening 41, the inner side surface of the placing opening 41 is an arc-shaped placing surface 411, and the contour dimension of the placing surface 411 matches the contour dimension of the head 71 of the urea sensor 7.
When the utility model is actually used, as shown in fig. 1 and 2, the piston rod 52 of the cylinder 5 contracts to drive the front part of the upper pressing block 3 to swing upwards; the urea sensor 7 is provided with a head part 71 and a back-filtering screen 72, the back-filtering screen 72 is provided with a clamping piece 73, the urea sensor 7 is placed on the jig, the head part 71 is placed in the placing opening 41 of the fixed block 4, and the part of the back-filtering screen 72, which is provided with the clamping piece 73, is placed in the lower notch 25 of the lower pressing block 2; placing the nut on the step 261 of the U-shaped groove 26 of the lower press block 2; the piston rod 52 of the cylinder 5 extends out to drive the front part of the upper pressing block 3 to swing downwards, and the upper notch 31 of the upper pressing block 3 is tightly pressed on the clamping piece 73; a screw penetrates through the mounting hole of the clamping piece 73, and the screw is screwed to the nut by adopting a screwing tool; after the locking is completed, the piston rod 52 contracts, the front part of the upper pressing block 3 swings upwards, and the urea sensor 7 is taken down.
According to the utility model, the lower pressing block 2 and the upper pressing block 3 are respectively provided with the profiling surfaces matched with the profile size of the clamping piece 73, when the clamping piece 73 is clamped, the profiling surfaces of the lower pressing block 2 and the upper pressing block 3 are respectively attached and pressed to the outer surface of the clamping piece 73, the attaching area is large, the whole attaching surface is under the action of the pressing force, the upper part and the lower part of the clamping piece 73 are tightly attached under the pressure, after the screw and the nut are locked, the clamping piece 73 can be tightly locked on the return filter screen 72, the locking is firm, and the reliability is high.
The foregoing description is illustrative of the present invention and is not to be construed as limiting thereof, as the utility model may be modified in any manner without departing from the spirit thereof.
Claims (10)
1. The utility model provides a clamping jig of urea sensor which characterized in that: a lower pressing block (2) is arranged on the base (1), an upper pressing block (3) is hinged to the top of the lower pressing block (2) through a pin shaft (6), and the upper pressing block (3) can swing up and down around the pin shaft (6); the top surface of the lower pressing block (2) is provided with a lower notch (25), the bottom surface of the upper pressing block (3) is correspondingly provided with an upper notch (31), and the lower notch (25) and the upper notch (31) are similar to the outline shape of a clamping piece (73) of the urea sensor (7).
2. The urea sensor's clamping jig according to claim 1, characterized in that: the inner side surface of the lower notch (25) is a lower profiling surface (251), and the profile dimension of the lower profiling surface (251) is matched with the profile dimension of the lower part of the clamping piece (73).
3. The urea sensor's clamping jig according to claim 1, characterized in that: the inner side surface of the upper notch (31) is an upper profiling surface (311), and the profile size of the upper profiling surface (311) is matched with the profile size of the upper part of the clamping piece (73).
4. The urea sensor clamping jig according to claim 2 or 3, characterized in that: the lower profiling surface (251) is in a lying 3 shape, and the upper profiling surface (311) is in a lying 3 shape.
5. The urea sensor's clamping jig according to claim 1, characterized in that: the front end part of the lower pressing block (2) is provided with a U-shaped groove (26), and a step (261) is arranged in the U-shaped groove (26); the U-shaped groove (26) corresponds to the mounting hole position of the clamping piece (73).
6. The urea sensor's clamping jig according to claim 1, characterized in that: the front end part of the upper pressing block (3) is provided with a notch (35), and the notch (35) corresponds to the mounting hole position of the clamping piece (73).
7. The urea sensor's clamping jig according to claim 1, characterized in that: one end of the upper pressing block (3) is connected with the cylinder (5), and the upper pressing block (3) is driven by the cylinder (5) to swing around a hinge point during use.
8. The urea sensor's clamping jig according to claim 7, characterized in that: the rear end part of the upper pressing block (3) connected with the cylinder (5) is provided with a connecting hole (33), the connecting hole (33) is a long round hole, and the bottom of the rear end of the upper pressing block (3) is provided with an inclined plane (34).
9. The urea sensor's clamping jig according to claim 1, characterized in that: the urea sensor is characterized in that the base (1) is further provided with a fixed block (4), a placing opening (41) is formed in the top surface of the fixed block (4), an arc-shaped placing surface (411) is arranged on the inner side surface of the placing opening (41), and the outline size of the placing surface (411) is matched with the outline size of the head (71) of the urea sensor (7).
10. The urea sensor's clamping jig according to claim 1, characterized in that: the lower pressing block (2) is an 'Contraband' type block and is provided with a lower horizontal part (21), a vertical part (22) and an upper horizontal part (23); the lower horizontal part (21) is fixed on the base (1), the top of the vertical part (22) is provided with a hinged part (24), and the hinged part (24) is provided with a first pin hole (241) for penetrating the pin shaft (6); the lower notch (25) and the U-shaped groove (26) are arranged on the upper horizontal part (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121440866.6U CN215508684U (en) | 2021-06-28 | 2021-06-28 | Clamping jig of urea sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121440866.6U CN215508684U (en) | 2021-06-28 | 2021-06-28 | Clamping jig of urea sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215508684U true CN215508684U (en) | 2022-01-14 |
Family
ID=79810588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121440866.6U Active CN215508684U (en) | 2021-06-28 | 2021-06-28 | Clamping jig of urea sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215508684U (en) |
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2021
- 2021-06-28 CN CN202121440866.6U patent/CN215508684U/en active Active
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