CN209812182U - Low-flow valve core flow setting tool - Google Patents

Abstract

The utility model discloses a frock is set for to low current case flow has solved the lower problem of current stage low current case flow settlement precision. The technical scheme is that the low-flow valve core flow setting tool comprises a base, a fixed block, a flow-limiting mounting seat, a sliding pressing block and a driving assembly; the base is provided with a sliding groove; the fixed block is provided with a first matching groove matched with the outer side surface of the valve core shell, and an arc-shaped lug embedded into the water inlet is arranged in the first matching groove; the current-limiting mounting seat comprises a sliding base capable of sliding along the sliding groove and a mounting inserting column which is mounted on the sliding base and used for mounting the current limiter, and a positioning lug is arranged on the top surface of the mounting inserting column; the sliding pressing block is provided with a second matching groove which is matched with the outer side surface of the valve core shell and is opposite to the first matching groove; the driving assembly can drive the sliding pressing block to do reciprocating sliding motion along the sliding groove, and the low-flow valve core flow setting tool enables the initial flow setting accuracy of the low-flow balance valve to be high.

Description

Low-flow valve core flow setting tool

Technical Field

The utility model relates to a frock especially relates to a frock is set for to low current case flow.

Background

The flow setting unit of the low-flow balance valve mainly comprises a valve core shell, a flow restrictor and a valve rod arranged at the top of the flow restrictor, wherein a water inlet is formed in the outer side wall of the valve core shell, flow limiting holes which correspond to the water inlet and are arranged at intervals are formed in the outer side wall of the flow restrictor, and the number of the flow limiting holes which are opposite to the water inlet in the valve core shell in the flow restrictor is adjusted, so that the flow of the whole low-flow balance valve is adjusted. In the installation of the flow setting unit, in order to ensure that the initial setting of the flow setting unit is the maximum flow, namely, the restricted flow holes on the flow restrictor are opposite to the water inlet of the valve core shell, manual installation is generally adopted, an installer finishes the initial flow setting of the flow setting unit by directly watching, and the setting precision of the setting mode is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a frock is set for to low flow case flow for the initial flow setting's of low flow balance valve settlement precision is higher.

The above technical purpose of the present invention can be achieved by the following technical solutions: a low-flow valve core flow setting tool comprises a base, wherein a sliding groove is formed in the upper surface of the base; the fixed block is arranged on the upper surface of the base and is bilaterally symmetrical about the sliding groove, the fixed block is provided with a first matching groove matched with the outer side surface of the valve core shell, and an arc-shaped convex block embedded into the water inlet is arranged in the first matching groove; the current-limiting mounting seat comprises a sliding base capable of sliding along the sliding groove and a mounting inserting column which is mounted on the sliding base and used for mounting the current limiter, and a positioning lug is arranged on the top surface of the mounting inserting column; the sliding pressing block is provided with a second matching groove which is matched with the outer side surface of the valve core shell and is opposite to the first matching groove; and the driving assembly drives the sliding pressing block to do reciprocating sliding motion along the sliding groove.

By adopting the technical scheme, when the initial flow of the valve core of the low-flow balance valve is set, the current limiter is hidden on the installation inserting column of the current-limiting installation seat, so that the positioning lug on the installation inserting column is embedded into the positioning hole of the current limiter (in order to facilitate the circumferential positioning of the current limiter, positioning holes which are in one-to-one correspondence with the positioning lugs are formed in the top of the current limiter), and the circumferential angle of the current limiter is positioned; and then the valve core shell is sleeved on the current limiter, the driving assembly drives the sliding pressing block to move the valve core shell towards the first matching groove of the fixing block, and meanwhile, the valve core shell is rotated, so that the water inlet of the valve core shell is matched with the arc-shaped convex block, and the determination of the circumferential angle of the valve core shell is realized.

Above-mentioned setting makes current limiter and case casing circumference angle on the frock is set for to low flow case flow confirm to conveniently make the water inlet relative with the restricted aperture of maximum quantity, make the initial flow of low flow balance valve keep at maximum state, compare in the artifical mode of directly watching of tradition, the utility model provides a low flow case flow sets for the frock is higher to the accuracy of setting for of the initial flow setting of low flow balance valve.

The utility model discloses further set up to, the fixed block is equipped with first breach in the both sides in first cooperation groove, the briquetting that slides is equipped with the second breach in the both sides in second cooperation groove.

Through adopting above-mentioned technical scheme, the setting of first breach, second breach can make things convenient for operating personnel to the rotation and the regulation of case casing.

The utility model discloses further set up to, the base that slides is equipped with first guide block in one side towards first cooperation groove, the base that slides is equipped with the second guide block in one side towards second cooperation groove.

Through adopting above-mentioned technical scheme, the setting of first guide block and second guide block can assist the base that slides in the groove that slides to reduce the probability that the current-limiting mount pad takes place to empty.

The utility model discloses further set up to, the groove that slides runs through the side of controlling of base, works as the terminal surface of first guide block is neat at ordinary times with the left surface of base, there is the installation clearance that makes things convenient for case casing installation between post and the first cooperation groove in the installation.

Through adopting above-mentioned technical scheme, the structure setting of above-mentioned first guide block can be in the flow setting of low-flow valve core accomplish the convenient reset of current-limiting mount pad in back to make things convenient for the operator to take out case casing, current limiter and valve rod from the low-flow valve core flow setting frock.

The utility model discloses further set up to, the degree of depth that highly is less than the groove of sliding of first guide block and second guide block, the bottom of the briquetting that slides have with the groove complex lug that slides.

Through adopting above-mentioned technical scheme, the setting of the lug that slides can assist the sliding of the briquetting that slides for the precision of sliding of the briquetting that slides obtains promoting.

The utility model discloses further set up to, the top surface that the post was inserted in the installation has four locating convex blocks, and four locating convex blocks use the installation to insert the top surface center of post and evenly arrange as centre of a circle circumference.

The utility model is further arranged in that the driving component comprises a supporting side plate, is fixed on the base and is positioned at one side of the sliding pressing plate away from the fixed block, and is provided with a guiding sliding hole; the driving straight rod penetrates through the guide sliding hole and is matched with the guide sliding hole, and one end of the driving straight rod is fixedly connected with the sliding pressing block; the end part of the driving handle is provided with an L-shaped connecting plate, and the end part of the L-shaped connecting plate is hinged to the end part of the driving straight rod far away from the sliding pressing block; one end of the hinged connecting plate is hinged to the supporting side plate, and the other end of the hinged connecting plate is hinged to a corner of the L-shaped connecting plate.

Through adopting above-mentioned technical scheme, required pressure when the drive briquetting that slides can be saved to above-mentioned drive assembly's setting.

The utility model is further arranged in that the driving handle is provided with two L-shaped connecting plates which are respectively hinged on the upper and lower sides of the driving straight rod; the driving assembly further comprises two hinged connecting plates which are in one-to-one correspondence with the L-shaped connecting plates respectively, and a connecting rod is arranged between the two hinged connecting plates.

Through adopting above-mentioned technical scheme, can promote drive assembly's structural strength, also promoted drive assembly and at the smooth and easy nature of the briquetting that slides of drive.

The utility model is further arranged in that the driving component comprises a supporting side plate, is fixed on the base and is positioned at one side of the sliding pressing plate away from the fixed block, and is provided with a guiding sliding hole; the driving straight rod penetrates through the guide sliding hole and is matched with the guide sliding hole, and one end of the driving straight rod is fixedly connected with the sliding pressing block; the pushing handle is arranged at the end part of the driving straight rod far away from the sliding pressing plate.

Through adopting above-mentioned technical scheme, this drive assembly's structure is comparatively simple, and it is comparatively convenient to operate, only needs bulldoze the slip that promotes the handle and can realize the briquetting that slides.

The utility model discloses further set up to, the outside of drive straight-bar is still overlapped and is equipped with reset spring, reset spring's one end with support curb plate butt and its other end and promote the handle butt.

Through adopting above-mentioned technical scheme, reset spring's setting can make things convenient for the drive assembly to reset after the flow setting of the flow setting unit of low flow balance valve is accomplished.

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

1. a low flow valve core flow setting tool can facilitate setting of initial flow of a flow setting unit of a low flow balance valve, so that the setting precision of the initial flow setting of the low flow balance valve is high;

2. the arrangement of the first notch on the fixed block and the arrangement of the second notch of the sliding pressing block can facilitate the rotation and installation of the valve core shell by a user;

3. the groove that slides runs through the side about the base, and when the terminal surface of first guide block and the left surface of base are level at ordinary times, has the installation clearance that makes things convenient for case casing installation between installation inserted column and the first cooperation groove, and the setting of this structure can make things convenient for the operator to reset to the position of current-limiting mount pad to make things convenient for the dismouting of current limiter and case casing.

Drawings

FIG. 1 is a schematic structural view of a cartridge housing;

FIG. 2 is a schematic view of a restrictor and valve stem configuration;

fig. 3 is a schematic structural view of a low-flow valve core flow rate setting tool in embodiment 1;

FIG. 4 is a schematic view showing the fitting of the base, the fixing block, and the supporting side plate in embodiment 1;

FIG. 5 is a schematic view of a structure of a current limiting mount according to embodiment 1;

FIG. 6 is a schematic structural view of a sliding compact in example 1;

FIG. 7 is a schematic view showing the fitting of two hinge-connecting plates in example 1;

fig. 8 is a schematic structural view of a low-flow valve core flow rate setting tool in embodiment 2;

fig. 9 is an enlarged view of a point a in example 2.

In the figure: 11. a valve core housing; 111. a water inlet; 12. a current limiter; 121. a flow restriction orifice; 122. positioning holes; 13. a valve stem; 2. a base; 21. a sliding groove; 3. a fixed block; 31. a first mating groove; 32. an arc-shaped bump; 33. a first notch; 4. a current limiting mount; 41. a sliding base; 42. a first guide block; 43. a second guide block; 44. installing the inserted columns; 441. positioning the bump; 45. a mounting gap; 5. sliding and pressing a block; 51. a second mating groove; 52. a second notch; 53. a sliding projection; 6. a drive assembly; 61. supporting the side plates; 611. a guide slide hole; 612. a hinged seat; 613. a hinge plane; 62. a driving straight rod; 63. a drive handle; 631. a rubber hand-held portion; 632. an L-shaped connecting plate; 64. a hinged connection plate; 65. a connecting rod; 66. pushing the handle; 67. a return spring.

Detailed Description

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

Example 1:

referring to fig. 1 and 2, a low flow valve core flow setting tool is mainly applied to setting of an initial flow of a flow setting unit in a low flow balance valve. The flow rate setting unit in the low flow balance valve mainly includes a spool housing 11, a restrictor 12, and a stem 13. The outer side wall of the valve core shell 11 is provided with a water inlet 111, the outer side wall of the flow restrictor 12 is provided with flow restricting holes 121 which correspond to the water inlet 111 and are arranged at intervals, the arc angle of the water inlet 111 is the same as the arc angle occupied by all the flow restricting holes 121 on the flow restrictor 12, and the maximum initial flow setting in the flow setting unit in the low-flow balance valve is that all the flow restricting holes 121 are opposite to the water inlet 111. In order to adapt to the use of the low flow valve core flow setting tool, the top of the restrictor 12 is circumferentially provided with a positioning hole 122.

In the present embodiment, four positioning holes 122 are provided at the top of the flow restrictor 12, and the four positioning holes 122 are circumferentially and uniformly arranged with the center of the top of the flow restrictor 12 as a circle center;

the number of the water inlets 111 may also be one, two, three or more, that is, the number of rows of the flow restriction holes 121 in the flow restrictor 12 corresponds to the number of the water inlets 111 one by one, in this embodiment, one water inlet 111 is formed in the outer side wall of the spool housing 11, and one row of the flow restriction holes 121 is formed in the outer side wall of the flow restrictor 12.

Referring to the attached figure 3, the low-flow valve core flow setting tool mainly comprises a base 2, a fixed block 3, a flow-limiting installation seat 4, a sliding pressing block 5 and a driving assembly 6.

Referring to fig. 4, the base 2 is a rectangular block, and has a sliding groove 21 penetrating through the left and right end surfaces of the base, and the cross section of the sliding groove 21 is rectangular.

The fixing block 3 is rectangular and fixed on the upper surface of the base 2, and the fixing block 3 is arranged symmetrically left and right with respect to the sliding groove 21. In this embodiment, the fixing block 3 is fixedly mounted to the base 2 by bolts, and the fixing block 3 is located on the left side of the base 2.

The right side surface of the fixed block 3 is provided with a first matching groove 31 matched with the outer side surface of the valve core shell 11. The fixed block 3 is further provided with an arc-shaped protrusion 32 capable of being inserted into the water inlet 111 (see fig. 1) of the valve core housing 11 on the inner side surface of the first mating groove 31. The valve core shell 11 can realize the circumferential positioning thereof through the matching of the arc-shaped convex block 32 and the water inlet 111.

In order to facilitate the installation and rotation of the spool housing 11, the fixed block 3 is provided with first notches 33 at both sides of the first fitting groove 31.

Referring to fig. 3 and 5, the current-limiting mounting seat 4 includes a sliding base 41 capable of sliding along the sliding groove 21 of the base 2, a first guide block 42 located at the left side of the sliding base 41, a second guide block 43 located at the right side of the sliding base 41, and a mounting post 44 mounted at the top of the sliding base 41. The mounting post 44 is capable of mounting the current limiter 12 (see fig. 2), and the top surface of the mounting post 44 is provided with a positioning protrusion 441 which is matched with the positioning hole 122 (see fig. 2) of the current limiter 12. In the present embodiment, four positioning protrusions 441 are disposed on the top of the mounting post 44, and the positioning protrusions 441 are cylindrical.

When the end surface of the first guide block 42 is flush with the left side surface of the base 2, an installation gap 45 which is convenient for installing the valve core shell 11 exists between the installation inserting column 44 and the first matching groove 31; when the end surface of the second guide block 43 is flush with the right side surface of the base 2, the valve core housing 11 sleeved outside the flow restrictor 12 is attached to the first matching groove 31 of the fixed block 3, and the arc-shaped protrusion 32 is inserted into the water inlet 111 of the valve core housing 11. Wherein, the height of the first guide block 42 and the second guide block 43 is smaller than the depth of the sliding slot 21.

Referring to fig. 3 and 6, the sliding mass 5 has a second engagement groove 51 engaged with the outer side surface of the spool housing 11 (see fig. 1) and opposed to the first engagement groove 31. In order to facilitate the installation and rotation of the spool housing 11, the sliding pressure piece 5 is provided with second notches 52 on both sides of the second fitting groove 51. In order to improve the sliding precision of the sliding pressing block 5, the bottom of the sliding pressing block 5 is provided with a sliding lug 53 matched with the sliding groove 21.

Referring to fig. 1 to 3, the driving assembly 6 is configured to drive the sliding pressing block 5 to perform reciprocating sliding motion along the sliding groove 21, so as to achieve mutual matching between the water inlet 111 of the valve core housing 11 and the arc-shaped protrusion 32 of the first matching groove 31.

The drive assembly 6 includes a support side plate 61, a drive straight bar 62, a drive handle 63 and a hinged connection plate 64.

Referring to fig. 1 and 4, the supporting side plate 61 is fixed to the right side of the top surface of the base 2, a guiding sliding hole 611 is formed in the middle of the supporting side plate 61, a hinge seat 612 is further disposed on one side of the supporting side plate 61 away from the sliding press block 5, and hinge planes 613 are disposed on the upper surface and the lower surface of the hinge seat 612. In the present embodiment, the cross-section of the guide slide hole 611 has a regular hexagonal shape.

The driving straight rod 62 is slidably mounted in the guide sliding hole 611 of the support side plate 61, one end of the driving straight rod 62 is fixedly connected with the sliding press block 5, and the other end is connected and matched with the driving handle 63.

The driving handle 63 includes a rubber hand-held portion 631, and two L-shaped connecting plates 632 attached to ends of the rubber hand-held portion 631. The end parts of the two L-shaped connecting plates 632 far away from the rubber hand-held part 631 are respectively hinged to the upper side and the lower side of the end part of the driving straight rod 62.

The driving assembly 6 has two hinge connection plates 64, and the two hinge connection plates 64 correspond to the two L-shaped connection plates 632 one by one. One end of the hinge connection plate 64 is hinged to the hinge plane 613 of the upper/lower surface of the hinge base 612, and the other end is hinged to a corner corresponding to the L-shaped connection plate 632.

Referring to fig. 1 and 7, a connecting rod 65 is disposed between the two hinge connecting plates 64 for improving the structural strength of the two hinge connecting plates 64.

Example 2:

compared with the low flow valve core flow setting tool in embodiment 1, the low flow valve core flow setting tool in this embodiment has the same structure as the low flow valve core flow setting tool in embodiment 1 except that the structure of the driving assembly 6 is not consistent.

Referring to fig. 8 and 9, the driving assembly 6 in this embodiment includes a supporting side plate 61, a driving straight bar 62, a push handle 66, and a return spring 67. Wherein, the supporting side plate 61 is disposed on the right side of the top surface of the base 2, and the middle of the supporting side plate 61 is provided with a guiding sliding hole 611. The driving straight rod 62 is slidably mounted in the guiding sliding hole 611, and one end of the driving straight rod is fixedly connected with the sliding pressing block 5, and the other end of the driving straight rod is used for mounting the pushing handle 66.

The return spring 67 is located on the right side of the supporting side plate 61 and is sleeved on the outer side of the driving straight rod 62. One end of the return spring 67 abuts against the right side surface of the support side plate 61, and the other end of the return spring 67 abuts against the push handle 66.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (10)

1. Low-flow valve core flow setting tool, which is characterized by comprising

A base (2) having a slide groove (21) on the upper surface thereof;

the fixed block (3) is arranged on the upper surface of the base (2), is bilaterally symmetrical about the sliding groove (21), is provided with a first matching groove (31) matched with the outer side surface of the valve core shell (11), and is internally provided with an arc-shaped lug (32) embedded into the water inlet (111) in the first matching groove (31);

the current-limiting mounting seat (4) comprises a sliding base (41) capable of sliding along the sliding groove (21) and a mounting inserting column (44) which is mounted on the sliding base (41) and used for mounting the current limiter (12), and a positioning lug (441) is arranged on the top surface of the mounting inserting column (44);

a sliding press block (5) which is provided with a second matching groove (51) matched with the outer side surface of the valve core shell (11) and opposite to the first matching groove (31);

and the driving component (6) drives the sliding pressing block (5) to do reciprocating sliding motion along the sliding groove (21).

2. The low-flow valve core flow rate setting tool according to claim 1, wherein the fixed block (3) is provided with first notches (33) at two sides of the first matching groove (31), and the sliding pressing block (5) is provided with second notches (52) at two sides of the second matching groove (51).

3. The low flow valve core flow rate setting tool according to claim 1, wherein the sliding base (41) is provided with a first guide block (42) on a side facing the first fitting groove (31), and the sliding base (41) is provided with a second guide block (43) on a side facing the second fitting groove (51).

4. The low-flow valve core flow rate setting tool according to claim 3, wherein the sliding groove (21) penetrates through the left side surface and the right side surface of the base (2), and when the end surface of the first guide block (42) is flush with the left side surface of the base (2), an installation gap (45) which is convenient for installing the valve core shell (11) exists between the installation inserting column (44) and the first matching groove (31).

5. The low-flow valve core flow rate setting tool according to claim 3, wherein the height of the first guide block (42) and the second guide block (43) is smaller than the depth of the sliding groove (21), and the bottom of the sliding pressing block (5) is provided with a sliding lug (53) matched with the sliding groove (21).

6. The low-flow valve core flow setting tool according to claim 5, wherein the top surface of the mounting plug post (44) is provided with four positioning protrusions (441), and the four positioning protrusions (441) are circumferentially and uniformly arranged by taking the center of the top surface of the mounting plug post (44) as a circle center.

7. The low flow valve core flow setting tool according to any one of claims 1 to 6, wherein the driving assembly (6) comprises

The supporting side plate (61) is fixed on the base (2), is positioned on one side of the sliding pressing plate far away from the fixed block (3), and is provided with a guiding sliding hole (611);

the driving straight rod (62) penetrates through the guide sliding hole (611) and is matched with the guide sliding hole (611), and one end of the driving straight rod (62) is fixedly connected with the sliding pressing block (5);

the end part of the driving handle (63) is provided with an L-shaped connecting plate (632), and the end part of the L-shaped connecting plate (632) is hinged to the end part of the driving straight rod (62) far away from the sliding pressing block (5);

and one end of the hinged connecting plate (64) is hinged to the supporting side plate (61) and the other end of the hinged connecting plate is hinged to the corner of the L-shaped connecting plate (632).

8. The low-flow valve core flow setting tool according to claim 7, wherein the driving handle (63) is provided with two L-shaped connecting plates (632), and the two L-shaped connecting plates (632) are respectively hinged to the upper side and the lower side of the driving straight rod (62); the driving assembly (6) further comprises two hinged connecting plates (64) which are respectively in one-to-one correspondence with the L-shaped connecting plates (632), and a connecting rod (65) is arranged between the two hinged connecting plates (64).

9. The low flow valve core flow setting tool according to any one of claims 1 to 6, wherein the driving assembly (6) comprises

The supporting side plate (61) is fixed on the base (2), is positioned on one side of the sliding pressing plate far away from the fixed block (3), and is provided with a guiding sliding hole (611);

the driving straight rod (62) penetrates through the guide sliding hole (611) and is matched with the guide sliding hole (611), and one end of the driving straight rod (62) is fixedly connected with the sliding pressing block (5);

and the pushing handle (66) is arranged at the end part of the driving straight rod (62) far away from the sliding pressing plate.

10. The low-flow valve core flow setting tool according to claim 9, wherein a return spring (67) is further sleeved on the outer side of the driving straight rod (62), one end of the return spring (67) abuts against the supporting side plate (61) and the other end of the return spring abuts against the pushing handle (66).