CN220668085U - Safety screw for assembling pressure release valve of water heater - Google Patents

Abstract

The utility model relates to the technical field of safety screws, and discloses a safety screw for assembling a water heater pressure release valve, which comprises a screw rod, wherein a nut is arranged at the upper part of the screw rod, a positioning ring is arranged on the outer side surface of the screw rod, an action groove is uniformly formed in the upper part of the positioning ring, a buffer spring is arranged in the action groove, a top block is arranged at the other end of the buffer spring, a clamping groove is uniformly formed in the nut, the top block can be better clamped in the clamping groove, the nut can limit the position of the positioning ring, the positioning ring limits the position of the nut when the safety screw is in tightening operation, the safety screw is prevented from loosening, the rotation of a rotating seat is prevented, the position of a supporting block is regulated by the rotation of the rotating seat, the supporting block is enabled to perform pressing operation on the top block, and the nut is enabled to perform rotating and disassembling operation better.

Description

Safety screw for assembling pressure release valve of water heater

Technical Field

The utility model belongs to the technical field of safety screws, and particularly relates to a safety screw for assembling a pressure release valve of a water heater.

Background

When the pressure in the equipment or the pipeline exceeds the set pressure of the pressure relief valve, the pressure relief valve is automatically opened, so that the medium pressure in the equipment and the pipeline is ensured to be under the set pressure, the equipment and the pipeline are protected, and accidents are prevented.

When the safety screw for assembling the pressure relief valve is used for fixing the pressure relief valve, small vibration can be generated when the pressure relief valve works, and the screw is loosened and separated, so that the pressure relief valve cannot be assembled effectively.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the safety screw for assembling the pressure relief valve of the water heater, which effectively solves the problem that the safety screw for assembling the pressure relief valve cannot effectively carry out assembling work because small vibration is generated when the pressure relief valve works, and the screw is loosened and separated.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a safety screw of water heater relief valve equipment, includes the screw rod, the upper portion of screw rod is provided with the nut, the lateral surface of screw rod is provided with the holding ring, the effect groove has evenly been seted up on the upper portion of holding ring, the inside of effect groove is provided with the buffer spring, the other end of buffer spring is provided with the kicking block, the inside of nut evenly is provided with the joint groove, the upper portion swing joint of nut has the roating seat, the bottom of roating seat evenly is provided with the supporting shoe.

Preferably, the inside of nut has seted up the rotation groove, rotation groove and joint groove are the intercommunication setting, roating seat swing joint is in the inside of rotation groove, the cross groove has been seted up on the upper portion of roating seat.

Preferably, the bottom of the positioning ring is uniformly provided with an anti-skid groove, and the shape of the anti-skid groove is triangular.

Preferably, a groove is formed in the upper portion of the screw rod, and the positioning ring is movably connected inside the groove.

Preferably, the inside of nut has seted up the mounting groove, the inside of mounting groove is provided with back shell fragment, the inside of roating seat is provided with the roof groove, back shell fragment and roof groove are joint setting.

Preferably, the shape of the nut is hexagonal, and the bottom of the screw rod is arc-shaped.

Compared with the prior art, the utility model has the beneficial effects that:

1. the buffer spring is arranged to support the top block, limit the position of the top block, enable the top block to be better clamped in the clamping groove, limit the position of the positioning ring by the screw cap, enable the positioning ring to limit the position of the screw cap when the safety screw is in tightening operation, avoid loosening of the safety screw, rotate the rotary seat, adjust the position of the support block by rotation of the rotary seat, enable the support block to press the top block, and enable the screw cap to be better in rotary disassembly;

2. through being provided with the cross groove, can be better through the cross spanner to twist the work of rotating the position of rotating the seat, adjust the work to the position of rotating the seat, the bottom of holding ring evenly is provided with the antiskid groove, and the shape of antiskid groove is the triangle setting, through being provided with the antiskid groove for the safety screw is when twisting, the holding ring better carries out laminating fixed work with the relief valve;

3. through being provided with the mounting groove, can inject the work to the position of returning the shell fragment, through being provided with the returning the shell fragment, can effectually inject the work to the inside roof groove of rotatory seat to make the better joint of resilience piece in the inside of roof groove, fix with the position of better rotatory seat, avoid the roating seat to produce reverse rotation.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a retaining ring according to the present utility model;

fig. 3 is a schematic view of a rotating seat structure according to the present utility model.

In the figure: 10. a screw; 11. a screw cap; 110. a mounting groove; 111. a return spring plate; 12. a positioning ring; 13. an action groove; 14. a buffer spring; 15. a top block; 16. a clamping groove; 17. a rotating seat; 170. a cross groove; 171. a top groove; 18. and a supporting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

1-3, a safety screw for assembling a water heater relief valve comprises a screw rod 10, wherein a screw cap 11 is arranged at the upper part of the screw rod 10, a positioning ring 12 is arranged on the outer side surface of the screw rod 10, an action groove 13 is uniformly formed in the upper part of the positioning ring 12, a buffer spring 14 is arranged in the action groove 13, a top block 15 is arranged at the other end of the buffer spring 14, a clamping groove 16 is uniformly formed in the screw cap 11, a rotating seat 17 is movably connected to the upper part of the screw cap 11, a supporting block 18 is uniformly arranged at the bottom of the rotating seat 17, when the safety screw is in tightening work, the screw rod 10 can be driven to rotate by screwing the screw cap 11, when the screw rod 10 is in tightening work, the position of the screw rod 10 can be fixed by arranging the positioning ring 12 when the screw rod 10 is in tightening work, and when the action groove 13 is arranged, the buffer spring 14 and the top block 15 can be limited in position, the top block 15 can be supported by the buffer spring 14, the top block 15 is limited in position, the top block 15 is better clamped in the clamping groove 16, the nut 11 is limited in position, the positioning ring 12 limits the position of the nut 11 when the safety screw is tightened, the loosening phenomenon of the safety screw is avoided, the rotation of the rotating seat 17 is performed, the position of the supporting block 18 is adjusted by the rotation of the rotating seat 17, the supporting block 18 presses down the top block 15, the nut 11 is better rotated and disassembled, the nut 11 is provided with a rotating groove which is communicated with the clamping groove 16, the rotating seat 17 is movably connected in the rotating groove, the cross groove 170 has been seted up on the upper portion of roating seat 17, through being provided with the rotary groove, can prescribe a limit to the position of roating seat 17 and work, through being provided with cross groove 170, can be better through the cross spanner to twist the rotary seat 17 and work, the position of roating seat 17 adjusts the work, the bottom of roating seat 12 evenly is provided with the anti-skidding groove, the shape of anti-skidding groove is the triangle setting, through being provided with the anti-skidding groove, make the safety screw when twisting, the better and relief valve of roating seat 12 laminate fixed work, the upper portion of screw rod 10 is provided with the recess, go on in the inside of recess by being provided with the recess to go on, can prescribe a limit to the position of roating seat 17, the better rotatory work of auxiliary positioning ring 12, avoid the holding ring 12 to produce the relaxation phenomenon when twisting, the inside of nut 11 has been seted up mounting groove 110, the inside of mounting groove 110 is provided with the resilience piece 111, the inside of roating seat 17 is provided with the jack groove 171, through being provided with the mounting groove 110, can prescribe a limit to the position of resilience piece 111 when twisting, the position of the upper portion of thread 17 is provided with the jack piece 111 and is the fixed work, can be realized the inside the nut 10 through setting up the recess that the inside is more than the jack piece is more than the jack-groove 171, the inside is screwed down, the screw rod is can be rotated the arc-shaped 10, the inside is more than the jack piece is set up through setting up the jack piece is more inside the jack piece is more than the jack-up into the jack piece 11, the jack piece is 11, the jack-up through setting up the jack piece is more has the jack-up, the jack piece is can be rotated, the jack hole is more is screwed down, the jack hole is can is the jack, and can is can has and can has the jack hole.

Working principle: when the screw rod 10 is tightened, the screw cap 11 can be screwed to drive the screw rod 10 to rotate, the pressure release valve is assembled through the rotation of the screw rod 10, when the screw rod 10 is tightened, the positioning ring 12 is arranged to fix the position of the screw rod 10, the action groove 13 is arranged to limit the positions of the buffer spring 14 and the top block 15, the buffer spring 14 is arranged to support the top block 15, the top block 15 is limited to limit the position, the top block 15 is clamped in the clamping groove 16 better, the positioning ring 12 is limited to limit the position of the positioning ring 12, the safety screw is prevented from loosening when the screw rod 10 is tightened, the rotary seat 17 is rotated, the supporting block 18 is adjusted to press the top block 15 through the rotation of the rotary seat 17, and the screw cap 11 is rotated to disassemble better.

It is noted that relational terms such as second and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a safety screw of water heater relief valve equipment which characterized in that: including screw rod (10), the upper portion of screw rod (10) is provided with nut (11), the lateral surface of screw rod (10) is provided with holding ring (12), action groove (13) have evenly been seted up on the upper portion of holding ring (12), the inside of action groove (13) is provided with buffer spring (14), the other end of buffer spring (14) is provided with kicking block (15), the inside of nut (11) evenly is provided with joint groove (16), the upper portion swing joint of nut (11) has roating seat (17), the bottom of roating seat (17) evenly is provided with supporting shoe (18).

2. The safety screw for assembling a water heater pressure relief valve as claimed in claim 1, wherein: the nut is characterized in that a rotating groove is formed in the nut (11), the rotating groove is communicated with the clamping groove (16), the rotating seat (17) is movably connected in the rotating groove, and a cross groove (170) is formed in the upper portion of the rotating seat (17).

3. The safety screw for assembling a water heater pressure relief valve as claimed in claim 2, wherein: the bottom of the positioning ring (12) is uniformly provided with an anti-skid groove, and the shape of the anti-skid groove is triangular.

4. A safety screw for a water heater pressure relief valve assembly as claimed in claim 3, wherein: the upper portion of screw rod (10) is provided with the recess, holding ring (12) swing joint is in the inside of recess.

5. The safety screw for assembling a water heater pressure relief valve as claimed in claim 4, wherein: the nut is characterized in that an installation groove (110) is formed in the nut (11), a return spring piece (111) is arranged in the installation groove (110), a top groove (171) is formed in the rotating seat (17), and the return spring piece (111) is clamped with the top groove (171).

6. The water heater pressure relief valve assembled safety screw of claim 5, wherein: the nut (11) is in a hexagonal shape, and the bottom of the screw (10) is in an arc shape.