CN219113927U

CN219113927U - Air safety valve adjusting spanner

Info

Publication number: CN219113927U
Application number: CN202222544583.7U
Authority: CN
Inventors: 赵兴南; 刘凯; 董泽坤; 李振宇; 吕沛锋; 潘浩; 陈俊林
Original assignee: CSSC Huangpu Wenchong Shipbuilding Co Ltd
Current assignee: CSSC Huangpu Wenchong Shipbuilding Co Ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-06-02
Anticipated expiration: 2032-09-26

Abstract

The utility model relates to the technical field of tools, and discloses an air safety valve adjusting spanner. The air safety valve adjusting spanner comprises an outer clamping sleeve and an adjusting rod, wherein the outer clamping sleeve is of a hollow structure, and a clamping tooth capable of being matched with a locking ring of the air safety valve is arranged at the first end of the outer clamping sleeve; the adjusting rod is arranged in the outer cutting sleeve in a penetrating way, and the first end of the adjusting rod is provided with an adjusting head which can be matched with an adjusting screw of the air safety valve; the outer clamping sleeve can selectively lock, unscrew or fix the locking ring; the adjusting rod can axially move relative to the outer clamping sleeve when the outer clamping sleeve is unscrewed and the locking ring is fixed, so that the adjusting head is selectively matched with the adjusting screw; the adjusting rod can circumferentially rotate relative to the outer clamping sleeve when the outer clamping sleeve is used for fixing the locking ring and the adjusting head is matched with the adjusting screw so as to screw the adjusting screw relative to the locking ring. The utility model can adjust the tripping pressure of the air safety valve, and the adjusting process is more convenient and flexible.

Description

Air safety valve adjusting spanner

Technical Field

The utility model relates to the technical field of tools, in particular to an air safety valve adjusting spanner.

Background

Safety valves on a pneumatic machine and a gas cylinder module in the compressed air system are numerous, and the safety valves need to be continuously adjusted and tested until the tripping pressure of the safety valves is within a required range. As shown in fig. 1, since the air relief valve adjustment structure is provided with an adjustment screw inside, i.e., within the locking ring. So that the adjustment cannot be performed by an ordinary wrench, and now the adjustment is usually performed by using a straight screwdriver. Because the safety valve specification is different, need not unidimensional screwdriver to adjust respectively, and single safety valve lock ring and adjusting screw size are different, also need different screwdrivers to adjust, and the restriction of operation space is in addition adjusted comparatively inconveniently.

Therefore, there is a need for an air relief valve adjustment wrench that solves the above-mentioned problems.

Disclosure of Invention

Based on the above, the utility model aims to provide an air safety valve adjusting spanner which can adjust an air safety valve more conveniently and flexibly.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an air relief valve adjustment wrench, comprising:

the outer clamping sleeve is of a hollow structure, and a first end of the outer clamping sleeve is provided with clamping teeth which can be matched with a locking ring of the air safety valve;

the adjusting rod penetrates through the outer clamping sleeve, and the first end of the adjusting rod is provided with an adjusting head which can be matched with an adjusting screw of the air safety valve;

the outer clamping sleeve can selectively lock, unscrew or fix the locking ring; the adjusting rod can axially move relative to the outer clamping sleeve when the outer clamping sleeve is unscrewed and the locking ring is fixed, so that the adjusting head is selectively matched with the adjusting screw; the adjusting rod can rotate circumferentially relative to the outer clamping sleeve when the outer clamping sleeve is used for fixing the locking ring and the adjusting head is matched with the adjusting screw, so that the adjusting screw can be screwed relative to the locking ring.

As an optimal scheme of the air safety valve adjusting spanner, the inner wall of the outer clamping sleeve is provided with a first clamping bulge, the outer wall of the adjusting rod is provided with a second clamping bulge, and the first clamping bulge can be clamped with the second clamping bulge so as to prevent the adjusting rod from being separated from the outer clamping sleeve.

As an optimal scheme of the air safety valve adjusting spanner, the air safety valve adjusting spanner further comprises an elastic piece, wherein the elastic piece is arranged between the adjusting rod and the outer clamping sleeve so as to drive the adjusting rod to be separated from the adjusting screw.

As a preferable scheme of the air safety valve adjusting spanner, a first shoulder is arranged on the inner wall of the outer clamping sleeve, a second shoulder is arranged on the outer wall of the adjusting rod, one end of the elastic piece is abutted to the first shoulder, and the other end of the elastic piece is abutted to the second shoulder.

As an air safety valve adjusting wrench, the air safety valve adjusting wrench further comprises a gland, the gland is arranged at the second end of the outer clamping sleeve, the adjusting rod penetrates through the gland, and the gland can be abutted with one end, away from the elastic piece, of the second shoulder.

As a preferable scheme of the air safety valve adjusting spanner, the gland and the outer clamping sleeve are detachably arranged.

As a preferable scheme of the air safety valve adjusting spanner, the outer clamping sleeve and the adjusting rod are coaxially arranged.

As an optimal scheme of the air safety valve adjusting spanner, the second end of the outer clamping sleeve is provided with a first handle, and the first handle is perpendicular to the outer clamping sleeve.

As a preferable scheme of the air safety valve adjusting spanner, a second handle is arranged at the second end of the adjusting rod.

As a preferable scheme of the air safety valve adjusting spanner, the second handle is detachably connected with the adjusting rod.

The beneficial effects of the utility model are as follows:

according to the utility model, the first end of the outer clamping sleeve is provided with the clamping teeth matched with the locking ring of the air safety valve, the first end of the adjusting rod is provided with the adjusting head matched with the adjusting screw of the air safety valve, and when the air safety valve adjusting spanner is used, the clamping teeth are firstly matched with the locking ring, and the locking ring is unscrewed and fixed; then moving the adjusting rod along the axial direction to enable the adjusting head to be matched with the adjusting screw; then the adjusting rod is driven to rotate along the circumferential direction so as to adjust the adjusting screw, and further the lifting pressure of the air safety valve is adjusted; after the adjustment is completed, the adjusting rod is moved along the axial direction, so that the adjusting head is separated from the adjusting screw, the locking ring is locked, and finally the air safety valve adjusting spanner is taken down, so that the adjustment process is more convenient and flexible.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.

FIG. 1 is a schematic illustration of a prior art air relief valve;

FIG. 2 is a schematic diagram of an air relief valve adjustment wrench according to an embodiment of the present utility model;

fig. 3 is a schematic diagram of an air relief valve adjusting wrench according to a second embodiment of the present utility model.

In the figure:

100. an air safety valve; 110. a locking ring; 120. an adjusting screw;

1. an outer ferrule; 11. latch teeth; 12. a first clamping protrusion; 13. a first shoulder; 14. a first handle;

2. an adjusting rod; 21. adjusting the head; 22. a second clamping protrusion; 23. a second shoulder; 24. a second handle;

3. an elastic member;

4. and (5) pressing cover.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, and may be, for example, either fixed or removable; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

Example 1

As shown in fig. 1 and 2, the present embodiment provides an air safety valve adjusting wrench, which includes an outer ferrule 1 and an adjusting rod 2, the outer ferrule 1 is provided with a hollow structure, and a first end of the outer ferrule 1 is provided with a latch 11 capable of being matched with a locking ring 110 of an air safety valve 100; the adjusting rod 2 is arranged in the outer cutting sleeve 1 in a penetrating way, and the first end of the adjusting rod 2 is provided with an adjusting head 21 which can be matched with the adjusting screw 120 of the air safety valve 100; the outer ferrule 1 can selectively lock, unscrew or secure the locking ring 110; the adjusting rod 2 can axially move relative to the outer clamping sleeve 1 when the outer clamping sleeve 1 is unscrewed and the locking ring 110 is fixed, so that the adjusting head 21 is selectively matched with the adjusting screw 120; the adjustment lever 2 can be rotated circumferentially with respect to the outer clamping sleeve 1 to screw the adjustment screw 120 with respect to the locking ring 110 when the outer clamping sleeve 1 fixes the locking ring 110 and the adjustment head 21 is engaged with the adjustment screw 120.

By arranging the clamping teeth 11 matched with the locking ring 110 of the air safety valve 100 at the first end of the outer clamping sleeve 1, arranging the adjusting head 21 matched with the adjusting screw 120 of the air safety valve 100 at the first end of the adjusting rod 2, firstly, when the air safety valve adjusting spanner is used, the clamping teeth 11 are matched with the locking ring 110, and the locking ring 110 is unscrewed and fixed; the adjustment rod 2 is then moved axially to engage the adjustment head 21 with the adjustment screw 120; next, the adjusting rod 2 is driven to rotate along the circumferential direction so as to adjust the adjusting screw 120, thereby realizing the adjustment of the tripping pressure of the air safety valve 100; after the adjustment is completed, the adjusting rod 2 is moved along the axial direction, so that the adjusting head 21 is disengaged from the adjusting screw 120, the locking ring 110 is locked, and finally the air safety valve adjusting spanner is taken down, so that the adjustment process is more convenient and flexible.

It should be noted that, the first ends of the outer sleeve 1 and the adjusting rod 2 are the left end in fig. 2, i.e. the end matched with the air safety valve 100, and the second ends of the outer sleeve 1 and the adjusting rod 2 are the right end in fig. 2, i.e. the end operated by the operator.

As an alternative scheme of the air safety valve adjusting spanner, the inner wall of the outer clamping sleeve 1 is provided with a first clamping protrusion 12, the outer wall of the adjusting rod 2 is provided with a second clamping protrusion 22, and the first clamping protrusion 12 can be clamped with the second clamping protrusion 22 to limit, so that the adjusting rod 2 is prevented from being separated from the outer clamping sleeve 1. Through setting up first joint protruding 12 and second joint protruding 22, can avoid adjusting pole 2 effectively and drop through the second end of outer cutting ferrule 1, guarantee the reliability of use.

Preferably, the outer clamping sleeve 1 and the adjusting rod 2 are coaxially arranged so as to avoid interference when the air safety valve adjusting spanner is rotated. Accordingly, the air safety valve adjusting wrench and the air safety valve 100 are also coaxially disposed to ensure proper installation and adjustment.

In this embodiment, in order to facilitate the operation of an operator, the second end of the outer ferrule 1 is provided with a first handle 14, and the first handle 14 is disposed perpendicular to the outer ferrule 1. The arrangement is convenient to operate on one hand, and is beneficial to increasing the advantages and disadvantages on the other hand, so that the locking and unscrewing processes are more labor-saving.

Further, similarly, the second end of the adjusting rod 2 is provided with a second handle 24, and the second handle 24 is also perpendicular to the second end of the adjusting rod 2. Preferably, the second handle 24 is detachably connected with the adjusting rod 2, so that the air safety valve adjusting spanner is convenient to assemble and store.

Example two

As shown in fig. 1 and 3, the embodiment discloses an air safety valve adjusting wrench, in this embodiment, the air safety valve adjusting wrench further includes an elastic member 3, the elastic member 3 is disposed between the adjusting rod 2 and the outer clamping sleeve 1, and after the pressure of the air safety valve 100 is adjusted, the elastic member 3 can drive the adjusting head 21 to be disengaged from the adjusting screw 120, so that the adjusting process is more convenient and flexible.

As an alternative to an air safety valve adjusting spanner, for realizing the installation of the elastic member 3, the inner wall of the outer clamping sleeve 1 is provided with a first shoulder 13, the outer wall of the adjusting rod 2 is provided with a second shoulder 23, one end of the elastic member 3 is abutted with the first shoulder 13, and the other end is abutted with the second shoulder 23. The elastic member 3 is illustratively a spring, and the adjustment lever 2 is returned by an elastic restoring force of the spring.

Further, the air safety valve adjusting wrench further comprises a pressing cover 4, the pressing cover 4 is arranged at the second end of the outer clamping sleeve 1, a through hole is formed in the pressing cover 4, the adjusting rod 2 is arranged on the pressing cover 4 in a penetrating mode, the pressing cover 4 can be abutted with one end, away from the elastic piece 3, of the second shoulder 23, and the pressing cover 4 is arranged to enable the spring to be arranged between the first shoulder 13 and the second shoulder 23 in a compressed mode.

Preferably, the gland 4 is detachably arranged with the outer clamping sleeve 1, so that the air safety valve adjusting spanner is convenient to assemble and store.

The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.

Claims

1. Air relief valve adjustment spanner, its characterized in that includes:

the outer clamping sleeve (1) is of a hollow structure, and a clamping tooth (11) which can be matched with a locking ring (110) of the air safety valve (100) is arranged at the first end of the outer clamping sleeve (1);

the adjusting rod (2) is arranged in the outer clamping sleeve (1) in a penetrating mode, and an adjusting head (21) which can be matched with an adjusting screw (120) of the air safety valve (100) is arranged at the first end of the adjusting rod (2);

the outer clamping sleeve (1) can selectively lock, unscrew or fix the locking ring (110); the adjusting rod (2) can axially move relative to the outer clamping sleeve (1) when the outer clamping sleeve (1) is unscrewed and the locking ring (110) is fixed, so that the adjusting head (21) is selectively matched with the adjusting screw (120); the adjusting rod (2) can rotate circumferentially relative to the outer clamping sleeve (1) when the outer clamping sleeve (1) is used for fixing the locking ring (110) and the adjusting head (21) is matched with the adjusting screw (120) so as to screw the adjusting screw (120) relative to the locking ring (110).

2. The air safety valve adjusting wrench according to claim 1, wherein a first clamping protrusion (12) is arranged on the inner wall of the outer clamping sleeve (1), a second clamping protrusion (22) is arranged on the outer wall of the adjusting rod (2), and the first clamping protrusion (12) can be clamped with the second clamping protrusion (22) so as to prevent the adjusting rod (2) from being separated from the outer clamping sleeve (1).

3. The air safety valve adjusting wrench according to claim 1, further comprising an elastic member (3), wherein the elastic member (3) is disposed between the adjusting rod (2) and the outer clip (1) to drive the adjusting rod (2) to disengage from the adjusting screw (120).

4. An air safety valve adjusting wrench according to claim 3, wherein a first shoulder (13) is arranged on the inner wall of the outer clamping sleeve (1), a second shoulder (23) is arranged on the outer wall of the adjusting rod (2), one end of the elastic piece (3) is abutted to the first shoulder (13), and the other end of the elastic piece is abutted to the second shoulder (23).

5. The air safety valve adjusting wrench according to claim 4, further comprising a pressing cover (4), wherein the pressing cover (4) is arranged at the second end of the outer clamping sleeve (1), the adjusting rod (2) is arranged through the pressing cover (4), and the pressing cover (4) can be abutted with one end, away from the elastic piece (3), of the second shoulder (23).

6. Air safety valve adjusting spanner according to claim 5, characterized in that the gland (4) is detachably arranged with the outer collar (1).

7. Air safety valve adjusting spanner according to claim 1, characterized in that the outer clamping sleeve (1) is arranged coaxially to the adjusting rod (2).

8. Air safety valve adjusting wrench according to claim 1, characterized in that the second end of the outer collar (1) is provided with a first handle (14), the first handle (14) being arranged perpendicular to the outer collar (1).

9. Air safety valve adjusting spanner according to claim 1, characterized in that the second end of the adjusting rod (2) is provided with a second handle (24).

10. Air safety valve adjusting spanner according to claim 9, characterized in that the second handle (24) is detachably connected to the adjusting rod (2).