CN209850776U - Improved structure of 250 valve maintenance wrench - Google Patents

Abstract

The utility model discloses an improvement structure of 250 valve maintenance spanners relates to valve maintenance spanner technical field, specifically is an improvement structure of 250 valve maintenance spanners, including spanner holding rod, first U type ring, first spanner head, second U type ring and second spanner head, the both ends of spanner holding rod are provided with first spanner head and second spanner head respectively, first spanner head includes first internal tooth ratchet, first carousel and gland spanner mouth, the second spanner head includes second internal tooth ratchet, second carousel and nut spanner mouth. This 250 improvement structure of valve maintenance spanner pulls the setting of mouth through the gland, can use the big gland of valve, pulls the setting of mouth through the nut, can use the valve nut, through the cooperation of internal tooth ratchet, carousel, pawl and spring leaf, conveniently revolves the spanner, labour saving and time saving through the cooperation of loop bar, inserted bar and location swivel nut, can adjust the length of pulling the handle, facilitates the use and carries.

Description

Improved structure of 250 valve maintenance wrench

Technical Field

The utility model relates to a valve maintenance spanner technical field specifically is a 250 valve maintenance spanner's improvement structure.

Background

At present, the 250-type valves in China are mostly disassembled and assembled by using pipe tongs when being maintained, the pipe tongs are easy to cause the phenomena of preparation caps, surface scratches of gland covers, damage of grease nipples and the like in the operation process, the service life of the 250-type valves is greatly shortened, the material cost is increased, and the existing 205-type valve maintenance wrench is not provided with a ratchet mechanism and is inconvenient to use, so that an improved structure of the 250-type valve maintenance wrench is needed.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the deficiency of the prior art, the utility model provides an improvement structure of 250 valve maintenance spanners has solved the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an improved structure of a 250 valve maintenance wrench comprises a wrench holding rod, a first U-shaped ring, a first wrench head, a second U-shaped ring and a second wrench head, one end of the wrench holding rod is fixedly connected with a first U-shaped ring, the interior of the first U-shaped ring is rotatably connected with a first wrench head, one end of the wrench holding rod far away from the first U-shaped ring is fixedly connected with a second U-shaped ring, the interior of the second U-shaped ring is rotatably connected with a second wrench head, the first wrench head comprises a first inner tooth ratchet wheel, a first rotary disc and a gland wrench opening, the first inner tooth ratchet wheel is connected with the first rotary disc in a rotating way, the middle part of the first rotating disc is provided with a gland wrench opening, the second wrench head comprises a second inner tooth ratchet wheel, a second rotating disc and a nut wrench opening, the inside of second internal tooth ratchet rotates and is connected with the second carousel, the nut is pulled the mouth has been seted up at the middle part of second carousel.

Optionally, the wrench holding rod comprises a loop bar, an insert bar and a positioning threaded sleeve, the insert bar is inserted into one end of the loop bar, and the positioning threaded sleeve is sleeved at one end of the loop bar close to the insert bar.

Optionally, a first rotating shaft is inserted into the first U-shaped ring, and the first U-shaped ring is movably connected with the first wrench head through the first rotating shaft.

Optionally, a second rotating shaft is inserted into the second U-shaped ring, and the second U-shaped ring is movably connected with the second wrench head through the second rotating shaft.

Optionally, one side of the first rotating disc is provided with a first pawl, and one side of the first pawl is provided with a first spring piece.

Optionally, a second pawl is arranged on one side of the second rotary disc, and a second spring plate is arranged on one side of the second pawl.

(III) advantageous effects

The utility model provides an improvement structure of 250 valve maintenance spanners possesses following beneficial effect:

1. this 250 improvement structure of valve maintenance spanner pulls the setting of mouth through the gland, can use the big gland of valve, pull the setting of mouth through the nut, can use the valve nut, through the internal tooth ratchet, the carousel, the cooperation of pawl and spring leaf, when clockwise turning the spanner holding rod, the internal tooth ratchet can drive the carousel and rotate, during anticlockwise rotation spanner holding rod, under the effect of pawl, the carousel can not be taken rotatoryly by the internal tooth ratchet, conveniently gyration, labour saving and time saving.

2. This 250 improvement structure of valve maintenance spanner can adjust the length of pulling the handle through the cooperation of loop bar, inserted bar and location swivel nut to facilitate the use and carry.

3. This 250 improvement structure of valve maintenance spanner through the setting of first U type ring and first axis of rotation for first spanner head can rotate, thereby angle between adjustable first spanner head and the spanner holding rod, through the setting of second U type ring and second axis of rotation, makes second spanner head can rotate, thereby angle between adjustable second spanner head and the spanner holding rod reaches the purpose that facilitates the use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the wrench grip of the present invention;

FIG. 3 is a schematic structural view of a first wrench head according to the present invention;

fig. 4 is a schematic structural view of a second wrench head according to the present invention.

In the figure: 1. a lever is held by a wrench; 101. a loop bar; 102. inserting a rod; 103. positioning threaded sleeves; 2. a first U-shaped ring; 3. a first wrench head; 4. a second U-shaped ring; 5. a second wrench head; 6. a first internal tooth ratchet; 7. a first turntable; 8. pressing and opening the cover; 9. a second internal tooth ratchet; 10. a second turntable; 11. turning a nut; 12. a first rotating shaft; 13. a second rotating shaft; 14. a first pawl; 15. a first spring plate; 16. a second pawl; 17. a second spring plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: an improved structure of a 250 valve maintenance wrench comprises a wrench holding rod 1, a first U-shaped ring 2, a first wrench head 3, a second U-shaped ring 4 and a second wrench head 5, the wrench holding rod 1 comprises a loop bar 101, an insert bar 102 and a positioning threaded sleeve 103, the insert bar 102 is inserted into one end of the loop bar 101, the positioning threaded sleeve 103 is sleeved at one end of the loop bar 101 close to the insert bar 102, the length of the wrench holding rod 1 can be adjusted through the cooperation of the loop bar 101, the wrench holding rod is convenient to use and carry, one end of the wrench holding rod 1 is fixedly connected with a first U-shaped ring 2, the first U-shaped ring 2 is rotatably connected with the first wrench head 3, the first U-shaped ring 2 is movably connected with the first wrench head 3 through a first rotating shaft 12, the first U-shaped ring 2 and the first rotating shaft 12 are arranged, so that the first wrench head 3 can rotate, thereby the angle between the first wrench head 3 and the wrench holding rod 1 can be adjusted, the use is convenient, one end of the wrench holding rod 1 far away from the first U-shaped ring 2 is fixedly connected with a second U-shaped ring 4, the inside of the second U-shaped ring 4 is rotatably connected with a second wrench head 5, the inside of the second U-shaped ring 4 is inserted with a second rotating shaft 13, the second U-shaped ring 4 is movably connected with the second wrench head 5 through the second rotating shaft 13, the second wrench head 5 can rotate through the arrangement of the second U-shaped ring 4 and the second rotating shaft 13, thereby the angle between the second wrench head 5 and the wrench holding rod 1 can be adjusted, the use is convenient, the first wrench head 3 comprises a first inner tooth ratchet wheel 6, a first rotating disc 7 and a gland wrench opening 8, the inside of the first inner tooth ratchet wheel 6 is rotatably connected with the first rotating disc 7, the gland wrench opening 8 is arranged at the middle part of the first rotating disc 7, one side of the first rotating disc 7 is provided with a first pawl 14, a first spring leaf 15 is arranged on one side of the first pawl 14, the large valve gland can be used by arranging the gland wrench opening 8, the first internal tooth ratchet 6 can drive the first rotating disc 7 to rotate when the wrench holding rod 1 is rotated clockwise through the matching of the first internal tooth ratchet 6, the first rotating disc 7, the first pawl 14 and the first spring leaf 15, when the wrench holding rod 1 is rotated anticlockwise, the first rotating disc 7 cannot be driven by the first internal tooth ratchet 6 to rotate under the action of the first pawl 14, the rotation is convenient, time and labor are saved, the second wrench head 5 comprises a second internal tooth ratchet 9, a second rotating disc 10 and a nut wrench opening 11, the second internal tooth ratchet 9 is connected with the second rotating disc 10 in a rotating way, the nut wrench opening 11 is arranged in the middle of the second rotating disc 10, a second pawl 16 is arranged on one side of the second rotating disc 10, a second spring leaf 17 is arranged on one side of the second pawl 16, set up through nut spanner 11, can use valve nut, through second internal tooth ratchet 9, second carousel 10, the cooperation of second pawl 16 and second spring leaf 17, when clockwise turning spanner holding rod 1, second internal tooth ratchet 9 can drive second carousel 10 and rotate, during anticlockwise turning spanner holding rod 1, under the effect of second pawl 16, second carousel 10 can not be taken rotatoryly by second internal tooth ratchet 9, conveniently revolve round, time saving and labor saving.

In conclusion, according to the improved structure of the 250 valve maintenance wrench, the large valve gland can be used by arranging the gland wrench opening 8, the valve nut can be used by arranging the nut wrench opening 11, the internal tooth ratchet can drive the rotary table to rotate when the wrench holding rod 1 is rotated clockwise through the matching of the internal tooth ratchet, the rotary table, the pawl and the spring piece, the rotary table cannot be driven to rotate by the internal tooth ratchet under the action of the pawl when the wrench holding rod 1 is rotated anticlockwise, the rotary table is convenient to rotate and saves time and labor, the length of the wrench holding rod 1 can be adjusted through the matching of the loop bar 101, the insert rod 102 and the positioning screw sleeve 103, so that the wrench is convenient to use and carry, the first wrench head 3 can rotate through the arrangement of the first U-shaped ring 2 and the first rotating shaft 12, so that the angle between the first wrench head 3 and the wrench holding rod 1 can be adjusted, and the arrangement of the second U-shaped ring 4 and the second rotating shaft 13, the second wrench head 5 can rotate, so that the angle between the second wrench head 5 and the wrench holding rod 1 can be adjusted, and the purpose of convenient use is achieved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides an improvement structure of 250 valve maintenance spanners, includes spanner holding rod (1), first U type ring (2), first spanner head (3), second U type ring (4) and second spanner head (5), its characterized in that: the wrench is characterized in that one end of the wrench holding rod (1) is fixedly connected with a first U-shaped ring (2), the inside of the first U-shaped ring (2) is connected with a first wrench head (3) in a rotating mode, one end of the wrench holding rod (1) far away from the first U-shaped ring (2) is fixedly connected with a second U-shaped ring (4), the inside of the second U-shaped ring (4) is connected with a second wrench head (5) in a rotating mode, the first wrench head (3) comprises a first inner tooth ratchet (6), a first rotary disc (7) and a gland wrench opening (8), the inside of the first inner tooth ratchet (6) is connected with the first rotary disc (7) in a rotating mode, the gland wrench opening (8) is formed in the middle of the first rotary disc (7), the second wrench head (5) comprises a second inner tooth ratchet (9), a second rotary disc (10) and a nut wrench opening (11), the inside of the second inner tooth ratchet (9) is connected with a second rotary disc (10), the middle part of the second rotating disc (10) is provided with a nut jaw (11).

2. The improved structure of 250 valve maintenance wrench as claimed in claim 1, wherein: the wrench holding rod (1) comprises a sleeve rod (101), an inserted link (102) and a positioning threaded sleeve (103), the inserted link (102) is inserted into one end of the sleeve rod (101), and the positioning threaded sleeve (103) is sleeved at one end, close to the inserted link (102), of the sleeve rod (101).

3. The improved structure of 250 valve maintenance wrench as claimed in claim 1, wherein: a first rotating shaft (12) is inserted into the first U-shaped ring (2), and the first U-shaped ring (2) is movably connected with the first wrench head (3) through the first rotating shaft (12).

4. The improved structure of 250 valve maintenance wrench as claimed in claim 1, wherein: a second rotating shaft (13) is inserted into the second U-shaped ring (4), and the second U-shaped ring (4) is movably connected with the second wrench head (5) through the second rotating shaft (13).

5. The improved structure of 250 valve maintenance wrench as claimed in claim 1, wherein: a first pawl (14) is arranged on one side of the first rotary disc (7), and a first spring piece (15) is arranged on one side of the first pawl (14).

6. The improved structure of 250 valve maintenance wrench as claimed in claim 1, wherein: a second pawl (16) is arranged on one side of the second rotary disc (10), and a second spring piece (17) is arranged on one side of the second pawl (16).