CN214274125U - Limiting structure and multifunctional filter using same - Google Patents

Abstract

The application relates to a limit structure and use this limit structure's multi-functional filter, including chuck (1), be equipped with locating part (2) that are used for the location on chuck (1), locating part (2) are including being fixed in first fixture block (21) on chuck (1) inner wall. This application is fixed top cap or base through the chuck to the operator is quick convenient connects top cap or base on the cartridge filter.

Description

Limiting structure and multifunctional filter using same

Technical Field

The application relates to the technical field of hydraulic oil filters, in particular to a limiting structure and a multifunctional filter using the same.

Background

The hydraulic oil quality has great influence on the working performance of the hydraulic system, and a plurality of faults are originated from the hydraulic oil quality, so that the hydraulic oil filter is prevented from being polluted in a proper place, the pollutants in the oil can be intercepted, the oil can be kept clean, and the normal work of the oil system is ensured.

Referring to fig. 10, the filter in the related art includes a filter cartridge 3, and a top cover 5 and a base 6, where the top cover 5 and the base 6 are disposed at one end of the filter cartridge 3, an oil inlet 61 is communicated on a side wall of the filter cartridge 3, an oil outlet 62 communicated with the filter cartridge 3 is disposed on the base 6, a filter element 7 is disposed between the top cover 5 and the base 6 of the filter cartridge 3, and the filter element 7 is communicated with the oil outlet 62. During the use of the filter, the operator needs to plug the filter element 7 into the filter cartridge 3 and then bolt the top cover 5 and the base 6 to the filter cartridge 3. And finally, an operator connects the oil inlet 61 and the oil outlet 62 with a hydraulic system to filter oil.

In view of the above-mentioned related art, the inventor believes that during the use of the filter, an operator needs to weld the flange on the filter cartridge and then fix the top cover or the base through the flange, so that the operator cannot conveniently mount the top cover or the base.

SUMMERY OF THE UTILITY MODEL

In order to improve the inconvenient problem of top cap or base installation of filter, this application provides a limit structure and applied this limit structure's multi-functional filter.

In a first aspect, the present application provides a limiting structure, which adopts the following technical scheme:

the limiting structure comprises a chuck, wherein a limiting part for positioning is arranged on the chuck.

Through adopting above-mentioned technical scheme, the operator is at the in-process of installation top cap or base, the operator is with the chuck lock on the cartridge filter earlier, and prescribe a limit to the moving direction of chuck through the locating part, with the ascending removal of restriction chuck along cartridge filter axis direction, thereby reach positioning chuck's purpose, the operator is connected top cap or base and chuck this moment, make the chuck fix top cap or base, thereby be convenient for quick convenient with top cap or base connection on the cartridge filter of operator.

Optionally, the limiting member includes a first block fixed to the inner wall of the chuck.

Through adopting above-mentioned technical scheme, the operator is at the in-process of installation chuck, and the operator is with first fixture block joint to the cartridge filter to laminating the inner wall of chuck and the outer wall of cartridge filter mutually, the cartridge filter is injectd the moving direction of chuck through first fixture block this moment, thereby realizes the purpose of location chuck, and then the operator of being convenient for is connected top cap and cartridge filter fast convenient.

Optionally, the limiting part comprises a second clamping block arranged on the inner wall of the chuck, a limiting block is arranged on one side, close to the chuck, of the second clamping block, and a limiting groove matched with the limiting block is formed in the inner wall of the chuck in the circumferential direction.

Through adopting above-mentioned technical scheme, the operator pegs graft the stopper limiting groove, make the limiting groove pass through the stopper and fix a position the second fixture block, with restriction second fixture block along the ascending removal of chuck axis direction, then the operator with the second fixture block joint to the cartridge filter, and laminate the inner wall of chuck and the outer wall of cartridge filter mutually, the cartridge filter is injectd the moving direction of second fixture block this moment, with the effect that reaches restriction chuck along cartridge filter axis direction upward movement, thereby realize the purpose of positioning chuck, and then be convenient for quick convenient with top cap or base be connected to on the cartridge filter of operator.

Optionally, the limiting part includes a third fixture block disposed on the side wall of the chuck, a positioning column is disposed on one side of the third fixture block close to the chuck, and a positioning block is disposed at one end of the positioning column away from the third fixture block; the chuck is close to the third fixture block one side and has seted up the guide way the same with the locating piece size, just the chuck is close to the one side of third fixture block and has seted up the heavy groove that communicates with the guide way, set up the communicating constant head tank with the guide way on the diapire of heavy groove, the size of constant head tank is greater than the size of heavy groove.

Through adopting above-mentioned technical scheme, the operator pegs graft the locating piece in the guide way, when the notch until locating piece and constant head tank aligns, the operator rotates the third fixture block, make the third fixture block drive the reference column and peg graft in heavy groove, and slide along the long direction of heavy groove, when the locating piece gets into in the constant head tank completely, the constant head tank fixes a position the locating piece, in order to reach the effect of fixed third fixture block, then the operator is with the third fixture block joint on the cartridge filter, and laminate the inner wall of chuck and the outer wall of cartridge filter mutually, the cartridge filter restricts the moving direction of chuck through the third fixture block this moment, in order to restrict the chuck along the ascending removal of cartridge filter axis direction, thereby realize positioning chuck's purpose, and then be convenient for quick convenient of operator be connected to the cartridge filter with top cap or base.

Optionally, the limiting member includes a fourth fixture block inserted into the chuck, a sliding groove is formed in an inner wall of the chuck along the circumferential direction, and the fourth fixture block is slidably disposed in the sliding groove; the chuck is along radially wearing to be equipped with adjusting screw, adjusting screw rotates to be connected on the chuck, the fourth fixture block is seted up threaded hole along the radial of chuck, adjusting screw extends the section and extends to in the spout and threaded connection in the screw hole.

Through adopting above-mentioned technical scheme, the operator rotates adjusting screw, make adjusting screw promote the fourth fixture block and slide in the spout, when extending the spout until the fourth fixture block, the operator is with fourth fixture block joint to the cartridge filter, and laminate the inner wall of chuck and the outer wall of cartridge filter mutually, the cartridge filter restricts the moving direction of chuck through the fourth fixture block this moment, with the ascending removal of restriction chuck along cartridge filter axis direction, thereby realize positioning chuck's purpose, and then the operator of being convenient for is connected top cap and cartridge filter.

Optionally, a guide hole communicated with the sliding groove is formed in the outer side wall of the chuck in the circumferential direction, a guide rod parallel to the adjusting screw rod is slidably arranged in the guide hole, and the guide rod is fixed on the fourth chuck block.

Through adopting above-mentioned technical scheme, when the fourth fixture block slided in the spout, the fourth fixture block drove the guide bar and slided in the guide hole, and the direction of movement of guide bar is injectd to the guide hole this moment to the guide bar has played the effect of direction to the fourth fixture block, and then has promoted the stability when fourth fixture block removes, and the guide bar has increased the area of being connected between fourth fixture block and the chuck simultaneously, thereby has promoted the stability of being connected between fourth fixture block and the chuck.

In a second aspect, the present application provides a multifunctional filter, which adopts the following technical solutions:

the utility model provides a multifunctional filter, includes the cartridge filter, the cartridge filter is equipped with the base along length direction's one end top cap, the other end, the cartridge filter has all seted up one and locating part matched with annular along length direction's both ends.

Through adopting above-mentioned technical scheme, the operator is at the in-process of installation top cap or base, and the operator is earlier pegged graft the annular with the fixture block for the annular is injectd the moving direction of fixture block, with the ascending removal of restriction chuck along cartridge filter axis direction, thereby reach positioning chuck's effect, the operator is connected top cap or base and chuck this moment, makes the chuck fix top cap or base, thereby the operator of being convenient for is quick convenient is connected top cap or base and cartridge filter.

Optionally, the filter cartridge is sleeved with a connecting seat for fixing the chuck, and the connecting seat is slidably arranged on the filter cartridge.

Through adopting above-mentioned technical scheme, after the operator is connected chuck and top cap or base, the operator carries on spacingly through the connecting seat to the chuck again, the operator is connected connecting seat and top cap or base after that, make the connecting seat do further fixed to top cap or base, thereby increase the stability of being connected of top cap and base and cartridge filter, the positioning seat is spacing to the chuck simultaneously, in order to restrict the chuck along the radial ascending removal of cartridge filter, thereby reach fixing chuck's effect, and then reduce the condition emergence that the locating part breaks away from in the annular.

Optionally, a mounting groove is formed in one end, close to the filter cartridge, of the top cover and one end, close to the filter cartridge, of the base, the filter cartridge is inserted into the mounting groove, and a sealing ring is embedded in two opposite wall surfaces of the filter cartridge and the mounting groove.

Through adopting above-mentioned technical scheme, the operator is at the in-process of installation top cap or base, and the operator pegs graft the mounting groove with the cartridge filter, and the sealing washer can be filled up with the clearance between mounting groove and the cartridge filter this moment to the sealing washer has played sealed effect to the clearance between top cap and the cartridge filter, and two sealing washers can further promote the sealed effect between cartridge filter and the top cap, appear the possibility of seepage in order to reduce the junction of cartridge filter and top cap.

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

1. the top cover or the base is fixed through the chuck, so that an operator can conveniently and quickly connect the top cover or the base to the filter cylinder;

2. the connecting base is connected with the top cover or the base, so that the effect of further fixing the top cover or the base can be achieved, and the connecting stability of the top cover or the base and the filter cylinder is improved;

3. the two sealing rings can further improve the sealing performance between the filter cartridge and the top cover so as to reduce the possibility of leakage at the joint of the filter cartridge and the top cover.

Drawings

Fig. 1 is a schematic overall structure diagram of a limiting structure in embodiment 1 of the present application.

Fig. 2 is a schematic overall structure diagram of a limiting structure in embodiment 2 of the present application.

Fig. 3 is a schematic view of an overall structure of a limiting structure in embodiment 3 of the present application.

Fig. 4 is a schematic structural diagram of a limiting structure for embodying a limiting member in embodiment 3 of the present application.

Figure 5 is an exploded view of one of the restraint structures shown in figure 3.

Fig. 6 is a schematic view of an overall structure of a limiting structure in embodiment 4 of the present application.

Figure 7 is an exploded view of one of the stop structures shown in figure 6.

Fig. 8 is a schematic view of the overall structure of a multifunctional filter according to an embodiment of the present application.

Fig. 9 is a schematic view of an exploded structure of the multifunctional filter shown in fig. 8.

Fig. 10 is a front view of a filter of the related art.

Description of reference numerals: 1. a chuck; 10. connecting holes; 11. a limiting groove; 12. a guide groove; 13. sinking a groove; 14. positioning a groove; 15. a guide hole; 2. a limiting member; 21. a first clamping block; 22. a second fixture block; 23. a limiting block; 24. a third fixture block; 25. a positioning column; 26. positioning blocks; 27. a fourth fixture block; 271. a threaded hole; 28. adjusting the screw rod; 29. a guide bar; 3. a filter cartridge; 31. a ring groove; 32. a seal ring; 4. a connecting seat; 41. fixing grooves; 5. a top cover; 51. mounting grooves; 52. a sampling valve; 6. a base; 61. an oil inlet; 62. an oil outlet; 63. a differential pressure sensor; 7. and a filter element.

Detailed Description

The present application is described in further detail below with reference to figures 1-9.

The embodiment of the application discloses limit structure.

Example 1

Referring to fig. 1, a limiting structure includes a chuck 1, and the chuck 1 is semicircular, and the chuck 1 is equipped with a limiting part 2 on the inner wall along the circular arc direction, and the limiting part 2 includes a first fixture block 21 the same with the circular arc size of the chuck 1, and the first fixture block 21 and the chuck 1 are integrally formed. And the chuck 1 has seted up a plurality of connecting hole 10 along the axis direction, and a plurality of connecting hole 10 can set up to three, and three connecting hole 10 along the circular arc direction evenly distributed of chuck 1.

Example 2

Referring to fig. 2, this embodiment is different from embodiment 1 in that, the limiting member 2 includes the second fixture block 22 disposed on the inner wall of the chuck 1 along the arc direction, one side of the second fixture block 22 close to the chuck 1 is provided with a limiting block 23, the limiting block 23 is two along the arc direction uniform distribution of the second fixture block 22, and the two limiting blocks 23 are parallel to each other. Two limiting grooves 11 are formed in one side, close to the second clamping block 22, of the chuck 1 along the arc direction, and the two limiting grooves 11 correspond to the two limiting blocks 23 one to one. The operator is at the in-process that uses chuck 1, and direct stopper 23 with on the second fixture block 22 pegs graft the spacing inslot 11 for the spacing groove 11 limits the moving direction of second fixture block 22, with the ascending removal of restriction second fixture block 22 along chuck 1 axis direction, with the effect that reaches fixed second fixture block 22.

Example 3

Referring to fig. 3 and 4, the present embodiment is different from embodiment 1 in that the limiting member 2 includes a third block 24 disposed at one side of the chuck 1 in the circular arc direction, the size of the third block 24 is larger than that of the chuck 1, and one side of the third block 24 in the circular arc direction extends toward the inner side of the chuck 1. One side of the third clamping block 24 close to the chuck 1 is provided with two positioning columns 25, the two positioning columns 25 are arranged along the arc direction of the positioning block 26, and the two positioning columns 25 are symmetrically arranged along the center line of the third clamping block 24. One end of each of the two positioning columns 25 far away from the third fixture block 24 is provided with a positioning block 26, the size of the positioning block 26 is larger than that of the positioning column 25, and the third fixture block 24, the positioning column 25 and the positioning block 26 are integrally formed.

Referring to fig. 4 and 5, two guide grooves 12 are formed in one side of the chuck 1 close to the third block 24, the distance between the two guide grooves 12 is equal to the distance between the two positioning columns 25, and the size of the guide grooves 12 is equal to the size of the positioning blocks 26. Meanwhile, one side of the chuck 1 close to the third chuck block 24 is provided with a circular arc-shaped sinking groove 13 communicated with the guide groove 12, and the width of the sinking groove 13 is equal to the diameter of the positioning column 25. The bottom wall of the sinking groove 13 of the chuck 1 is provided with a circular arc positioning groove 14 communicated with the guide groove 12, the width of the positioning groove 14 is equal to the diameter of the positioning block 26, and the sinking groove 13 and the positioning groove 14 have the same circle center as the chuck 1.

Referring to fig. 4 and 5, during the use of the chuck 1, the operator first inserts the positioning block 26 into the guide groove 12 until the positioning block 26 is aligned with the positioning groove 14, and then rotates the third block 24, so that the third block 24 rotates around the axis of the chuck 1. At this time, the positioning block 26 slides in the positioning groove 14, and the positioning column 25 slides in the sinking groove 13. When the third block 24 is flush with the end surface of the chuck 1, the operator stops rotating the third block 24, and at this time, the positioning groove 14 limits the positioning block 26, so as to fix the third block 24.

Example 4

Referring to fig. 6 and 7, the difference between the present embodiment and embodiment 1 is that the limiting member 2 includes two fourth blocks 27 inserted into the chuck 1, and the four fourth blocks 27 are symmetrically disposed along the center line of the chuck 1. Two sliding grooves are formed in the inner side wall of the chuck 1 in the arc direction, the sliding grooves are formed in the radial direction of the chuck 1, and the fourth clamping block 27 is connected in a plugging mode and connected in the sliding grooves in a sliding mode. Meanwhile, a threaded hole 271 is formed in the fourth fixture block 27 along the radial direction of the chuck 1, an adjusting screw 28 is connected to the threaded hole 271 in a threaded manner, one end of the adjusting screw 28, which is far away from the fourth fixture block 27, penetrates through the chuck 1, and the adjusting screw 28 is rotatably connected with the chuck 1. And one end of the fourth clamping block 27 close to the bottom wall of the sliding chute is provided with two guide rods 29, and the two guide rods 29 are both parallel to the adjusting screw 28. The chuck 1 is provided with two guide holes 15 with the same size as the guide rods 29, and the guide rods 29 are inserted into the guide holes 15 in a sliding manner.

Referring to fig. 6 and 7, during use of the chuck 1, an operator rotates the adjustment screw 28 so that the adjustment screw 28 pushes the fourth latch 27 to extend out of the slide slot. Meanwhile, the fourth latch 27 moves the guide rod 29 together, and the guide hole 15 restricts the moving direction of the guide rod 29 to increase the stability of the fourth latch 27 when moving.

The embodiment of the application also discloses a multifunctional filter.

Referring to fig. 8 and 9, the multifunctional filter includes a filter cartridge 3, a top cap 5, a base 6 and a filter element 7, wherein the filter element 7 is inserted into the filter cartridge 3, the top cap 5 is disposed at one end of the filter cartridge 3, and the base 6 is disposed at the other end of the filter cartridge 3. The base 6 is provided with an oil inlet 61 communicated with the filter cartridge 3 and an oil outlet 62 communicated with the inner diameter of the filter element 7. Meanwhile, the filter cartridge 3 is sleeved with two connecting seats 4 along the length direction, one side, deviating from the filter cartridge 3 and close to the filter cartridge 3, of the two connecting seats 4 is provided with a fixing groove 41, one connecting seat 4 is connected to the top cover 5, and the other connecting seat 4 is connected to the base 6. And filter cylinder 3 all offers one along length direction's both ends and is used for fixed chuck 1's annular 31, and the size of annular 31 equals with first fixture block 21's size.

Referring to fig. 8 and 9, during the process of installing the filter, an operator firstly inserts the filter element 7 into the filter cartridge 3, and then the operator clamps the same pair of chucks 1 on the same annular groove 31, so that the first clamping block 21 is inserted into the annular groove 31. At this moment, the inner wall of the chuck 1 is attached to the inner wall of the filter cartridge 3, so that the ring groove 31 limits the chuck 1 through the first fixture block 21 to limit the chuck 1 to move along the axial direction of the filter cartridge 3.

Then the operator removes connecting seat 4 and is close to chuck 1 to in establishing fixed slot 41 with chuck 1 in, make fixed slot 41 do further location to chuck 1, rethread countersunk head bolt connects chuck 1 on connecting seat 4, takes place with the condition that reduces chuck 1 and break away from crossing a section of thick bamboo, has realized the purpose of fixed connection seat 4 simultaneously. Finally, an operator connects the top cover 5 to one of the connecting seats 4 through a bolt, and then connects the base 6 to the other connecting seat 4 through the same operation method, so as to achieve the effect of quickly fixing and positioning the base 6.

Referring to fig. 8 and 9, a mounting groove 51 has all been seted up to the one end that top cap 5 is relative with base 6, cartridge filter 3 pegs graft in mounting groove 51, and all inlay on two walls that cartridge filter 3 is relative with mounting groove 51 and be equipped with one with mounting groove 51 inner wall inconsistent sealing washer 32, sealing washer 32 has and is made by the rubber material, rubber self is softer and have elasticity, produce deformation easily, thereby sealing washer 32 can be filled up the clearance between cartridge filter 3 and top cap 5 or the base 6, and then sealing washer 32 plays sealed effect to the clearance between cartridge filter 3 and top cap 5 or the base 6. And the two sealing rings 32 can further increase the sealing performance between the filter cartridge 3 and the top cover 5 or the base 6, so as to reduce the possibility of leakage of the filter.

Referring to fig. 8 and 9, a differential pressure sensor 63 is disposed on an outer side wall of the base 6, and a detection end of the differential pressure sensor 63 is inserted into the base 6. The pressure loss of the filter element 7 can be accurately monitored in real time by using the differential pressure sensor 63, so that the stable operation of the filter system can be ensured. Meanwhile, the sampling valve 52 communicated with the filter cartridge 3 is arranged on the top cover 5, and an operator can regularly take hydraulic oil from the filter cartridge 3 through the sampling valve 52, so that the operator can detect the purity of the hydraulic oil in real time.

The implementation principle of the multifunctional filter in the embodiment of the application is as follows: the operator will cross filter core 7 and peg graft in the cartridge filter 3, and the operator is then with chuck 1 division joint with the same pair to the cartridge filter 3 for the spout is fixed a position chuck 1 through first fixture block 21. Then, the operator pulls the coupling socket 4 to approach the chuck 1, and fits the chuck 1 into the fixing groove 41, and fixes the chuck 1 to the coupling socket 4 by the countersunk head bolt. Finally, the operator connects the top cover 5 to the connecting base 4 and the base 6 to the other connecting base 4 by bolts. At this time, the operator connects the oil inlet 61 and the oil outlet 62 with the hydraulic system to achieve the purpose of filtering the hydraulic oil.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above 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 (5)

1. A limit structure is characterized in that: the clamping device comprises a chuck (1), wherein a limiting piece (2) for positioning is arranged on the chuck (1), and the limiting piece (2) comprises a first clamping block (21) fixed on the inner wall of the chuck (1);

or the limiting piece (2) comprises a second clamping block (22) arranged on the inner wall of the chuck (1), one side, close to the chuck (1), of the second clamping block (22) is provided with a limiting piece (23), and the inner wall of the chuck (1) in the circumferential direction is provided with a limiting groove (11) matched with the limiting piece (23);

or the limiting part (2) comprises a third clamping block (24) arranged on the side wall of the chuck (1), one side, close to the chuck (1), of the third clamping block (24) is provided with a positioning column (25), and one end, far away from the third clamping block (24), of the positioning column (25) is provided with a positioning block (26);

a guide groove (12) with the same size as the positioning block (26) is formed in one side, close to the third clamping block (24), of the chuck (1), a sinking groove (13) communicated with the guide groove (12) is formed in one side, close to the third clamping block (24), of the chuck (1), a positioning groove (14) communicated with the guide groove (12) is formed in the bottom wall of the sinking groove (13), and the size of the positioning groove (14) is larger than that of the sinking groove (13);

or the limiting piece (2) comprises a fourth clamping block (27) inserted into the chuck (1), a sliding groove is formed in the inner wall of the chuck (1) along the circumferential direction, and the fourth clamping block (27) is arranged in the sliding groove in a sliding manner;

chuck (1) is along radially wearing to be equipped with adjusting screw (28), adjusting screw (28) rotate to be connected on chuck (1), radial screw hole (271) seted up along chuck (1) is followed in fourth fixture block (27), the one end of adjusting screw (28) extends to in the spout and threaded connection is in screw hole (271).

2. The spacing structure of claim 1, wherein: the outer side wall of the chuck (1) in the circumferential direction is provided with a guide hole (15) communicated with the sliding groove, a guide rod (29) parallel to the adjusting screw rod (28) is arranged in the guide hole (15) in a sliding mode, and the guide rod (29) is fixed on the fourth clamping block (27).

3. A multifunctional filter using the limit structure of any one of the above claims 1-2, wherein: including cartridge filter (3), cartridge filter (3) are equipped with top cap (5) along length direction's one end, and the other end is equipped with base (6), cartridge filter (3) have all been seted up one and locating part (2) matched with annular (31) along length direction's both ends.

4. The multifunctional filter according to claim 3, wherein: the cartridge filter is characterized in that a connecting seat (4) used for fixing the chuck (1) is sleeved on the cartridge filter (3), and the connecting seat (4) is arranged on the cartridge filter (3) in a sliding mode.

5. The multifunctional filter according to claim 3, wherein: the filter cartridge is characterized in that one end of the top cover (5) and one end of the base (6) close to the filter cartridge (3) are both provided with a mounting groove (51), the filter cartridge (3) is inserted into the mounting groove (51), and two opposite wall surfaces of the filter cartridge (3) and the mounting groove (51) are both embedded with a sealing ring (32).

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