CN220706511U - Pressure regulating mechanism of pressure reducing valve capable of preventing pressure from being combined and dead - Google Patents
Pressure regulating mechanism of pressure reducing valve capable of preventing pressure from being combined and dead Download PDFInfo
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- CN220706511U CN220706511U CN202322128391.2U CN202322128391U CN220706511U CN 220706511 U CN220706511 U CN 220706511U CN 202322128391 U CN202322128391 U CN 202322128391U CN 220706511 U CN220706511 U CN 220706511U
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- nut
- reducing valve
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Abstract
The utility model provides an anti-dead pressure regulating mechanism of a pressure reducing valve, which comprises a base and a pressure regulating knob rotatably connected to the base, wherein the pressure regulating knob is clamped and connected with a pressure regulating bolt, the pressure regulating bolt is in threaded connection with a pressure regulating nut, the pressure regulating nut is slidably connected in the base, the outer side of the pressure regulating nut is sleeved with a pressure regulating spring, the pressure regulating bolt comprises a rod body and a cap body, and an anti-dead inclined plane is arranged at the joint of the rod body and the cap body. The utility model can avoid the situation that the pressure regulating screw and the nut are dead and the pressure regulating knob is not screwed when the pressure is regulated.
Description
Technical Field
The utility model relates to the technical field of pressure reducing valves, in particular to an anti-dead pressure reducing valve pressure regulating mechanism.
Background
Refer to chinese patent publication No. CN106268061 a's a high-flow pressure regulating precision filter, including the filter body and with the fixed filter housing body of filter body lower extreme, be equipped with import and export on the filter body, be equipped with the filter core in the filter housing body, the outside top of filter core is equipped with sealed complex water conservancy diversion ware, water conservancy diversion ware and filter body sealing connection, the water conservancy diversion ware is equipped with the water conservancy diversion chamber, the filter body in be equipped with the inlet channel with import intercommunication, be equipped with the pressure regulating plug of control between inlet channel and the water conservancy diversion chamber and make the plug spring of pressure regulating plug return in the water conservancy diversion ware, the water conservancy diversion ware middle part is equipped with the plug seat of location pressure regulating plug, is equipped with the guiding hole of intercommunication water conservancy diversion chamber and filter inside between plug seat and the water conservancy diversion ware outer wall. The filter is characterized in that an adjusting column capable of vertically sliding is arranged in the filter body, the bottom of the adjusting column acts on the adjusting plug head, an adjusting seat is arranged on the filter body, a diaphragm spring in contact with the top of the adjusting column and a pressure spring acting on the diaphragm spring are arranged in the adjusting seat, and an adjusting bolt for adjusting the acting force of the pressure spring is arranged at the top of the adjusting seat. The adjusting bolt acts on the diaphragm spring with the pressure spring, and the pressure spring acts on the diaphragm spring of below to change the effort of adjusting the plug to adjusting the plug, can adjust according to actual conditions, make the plug removal of adjusting more nimble, also reduced the impact pressure of adjusting plug and body.
The bottom of the thread of the existing pressure regulating screw is cylindrical, and the screw cap can be completely screwed to the bottom until the contact surface of the screw and the screw cap is completely attached. The structure is easy to die the nut, and the pressure regulation is difficult. Such structures are currently on the market.
Disclosure of Invention
The utility model solves the problem of nut locking caused by complete joint of the contact surface of the pressure regulating screw and the nut, and provides an anti-locking pressure regulating mechanism of a pressure reducing valve, which can avoid the occurrence of the condition that the pressure regulating screw and the nut are locked together and the pressure regulating knob is not screwed.
In order to achieve the above purpose, the following technical scheme is provided:
the utility model provides a prevent and dead relief pressure valve pressure regulating mechanism, includes the base and rotates the pressure regulating knob of connection on the base, pressure regulating knob card is put and is connected with the pressure regulating bolt, pressure regulating bolt threaded connection has the pressure regulating nut, pressure regulating nut sliding connection is in the base, the outside cover of pressure regulating nut is equipped with the pressure regulating spring, the pressure regulating bolt includes the body of rod and the cap body, body of rod and cap body junction are equipped with the inclined plane of preventing and dying.
In the utility model, the pressure regulating knob drives the pressure regulating bolt to rotate when rotating on the base, the pressure regulating nut is limited to slide in the base, the pressure regulating nut in threaded connection with the pressure regulating bolt intelligently slides up and down in the base, and the spring is sleeved on the pressure regulating nut, the pressure regulating nut is pressed down along with the pressing down of the pressure regulating nut, the pressure regulating nut is rebounded along with the rising of the pressure regulating nut, and the pressure regulating mechanism connected with the tail end of the spring is not particularly limited in the utility model. The joint of the rod body and the cap body of the pressure regulating bolt is provided with the anti-locking inclined plane, namely a slope is formed between the pressure regulating bolt and the pressure regulating nut, so that the situation that the pressure regulating nut and the pressure regulating bolt are completely attached to cause locking of the nut is avoided.
Preferably, the cap body comprises a clamping part, a spiral part and a separation sheet, wherein the clamping part is used for being clamped and connected with the pressure regulating knob, the spiral part is used for being rotationally connected with the base, the separation sheet is used for being connected with the rod body, and the anti-parallel dead inclined plane is arranged at the joint of the rod body and the separation sheet. The base is provided with a spiral through hole, a circle of limiting block is arranged below the spiral through hole, the spiral part is rotationally connected in the spiral through hole, and the upper end face of the separation sheet is tightly attached to the limiting block.
In this embodiment the spacer plays the effect of isolated pressure regulating nut and base, and the stopper plays the effect of avoiding spacer and too much contact of base, can improve the rotation efficiency of pressure regulating knob for it is more laborsaving to adjust.
Preferably, the pressure regulating nut comprises a hexagonal nut plate and a threaded column, wherein the threaded column is provided with an internal thread, the rod body is provided with an external thread, the threaded column is in threaded connection with the rod body, a chute for clamping the hexagonal nut plate is arranged in the base, and the hexagonal nut plate is in sliding connection with the chute.
Preferably, a clamping groove is formed in the bottom of the inner cavity of the pressure regulating knob, the clamping portion is clamped in the clamping groove, and the depth of the clamping groove is larger than or equal to the height of the clamping portion.
Preferably, the outer side of the base is provided with a limiting groove, the upper side of the limiting groove is provided with a guiding oblique block, the inner side wall of the pressure regulating knob is provided with a rotation limiting block, and the rotation limiting block is rotationally connected in the limiting groove.
Preferably, a plurality of conical tables are arranged on one side surface of the separation sheet, which is close to the pressure regulating nut, and the height of each conical table is smaller than the maximum height of the anti-dead inclined plane. The purpose of the utility model is that when the inclined plane is worn due to long-term use, the maximum height of the inclined plane can be reduced, so that the pressure regulating nut still has the possibility of being attached to the separation sheet, and the frustum arranged on the separation sheet can play a role in reducing the contact between the pressure regulating nut and the separation sheet, and can also avoid the nut from being dead to a certain extent. Meanwhile, when the frustum is in contact with the pressure regulating nut, the contact friction force can be increased, and at the moment, a user can spend more force when adjusting the frustum to the same purpose, and the user can be reminded of replacing a new pressure regulating bolt from the side face.
The beneficial effects of the utility model are as follows:
1. a slope is formed between the pressure regulating bolt and the pressure regulating nut, so that the condition that the pressure regulating nut is completely attached to the pressure regulating bolt to cause the nut to be dead is avoided;
2. the frustum arranged on the separation sheet can play a role in reducing the contact between the pressure regulating nut and the separation sheet.
Drawings
FIG. 1 is a cross-sectional view of the structure of an embodiment;
FIG. 2 is a schematic view of a pressure regulating bolt of an embodiment;
FIG. 3 is a top view of the pressure regulating nut of the embodiment;
FIG. 4 is a top view of the base of the embodiment;
wherein: 1. a base; 2. a pressure regulating knob; 3. pressure regulating bolts; 4. a pressure regulating nut; 5. a pressure regulating spring; 11. a guide sloping block; 12. a limit groove; 13. a chute; 14. a limiting block; 15. a spiral through hole; 21. a rotation limiting block; 31. a clamping part; 32. a spiral part; 33. a separator sheet; 34. an anti-parallel dead inclined plane; 35. a rod body; 41. a threaded column; 42. hexagonal nutplate.
Detailed Description
Examples:
the embodiment provides an anti-locking pressure regulating mechanism of a pressure reducing valve, and referring to fig. 1 and 2, the anti-locking pressure reducing valve comprises a base 1 and a pressure regulating knob 2 rotationally connected to the base 1, the pressure regulating knob 2 is clamped and connected with a pressure regulating bolt 3, the pressure regulating bolt 3 is in threaded connection with a pressure regulating nut 4, the pressure regulating nut 4 is slidably connected in the base 1, the pressure regulating nut 4 is sleeved with a pressure regulating spring 5, the pressure regulating bolt 3 comprises a rod body 35 and a cap body, and an anti-locking inclined plane 34 is arranged at the joint of the rod body 35 and the cap body. Referring to fig. 2 and 4, the cap body includes a clamping portion 31, a screw portion 32 and a separation sheet 33, the clamping portion 31 is used for clamping connection with the pressure regulating knob 2, the screw portion 32 is used for rotating connection with the base 1, the separation sheet 33 is used for connecting with the rod body 35, and an anti-parallel inclined plane 34 is arranged at the connection position of the rod body 35 and the separation sheet 33. The base 1 is provided with a spiral through hole 15, a circle of limiting block 14 is arranged below the spiral through hole 15, the spiral part 32 is rotatably connected in the spiral through hole 15, and the upper end face of the separation sheet 33 is tightly attached to the limiting block 14.
The bottom of the inner cavity of the pressure regulating knob 2 is provided with a clamping groove, the clamping part 31 is clamped in the clamping groove, and the depth of the clamping groove is larger than or equal to the height of the clamping part 31. The outside of the base 1 is provided with a limit groove 12, the upper side of the limit groove 12 is provided with a guide inclined block 11, the inner side wall of the pressure regulating knob 2 is provided with a rotation limit block 21, and the rotation limit block 21 is rotationally connected in the limit groove 12.
Referring to fig. 3 and 4, the pressure regulating nut 4 includes a hexagonal nutplate 42 and a screw column 41, the screw column 41 is provided with an internal screw, the rod body 35 is provided with an external screw, the screw column 41 is in screw connection with the rod body 35, a chute 13 for clamping the hexagonal nutplate 42 is provided inside the base 1, and the hexagonal nutplate 42 is slidably connected to the chute 13. The separating sheet 33 is provided with a plurality of conical tables on one side surface close to the pressure regulating screw cap 4, and the height of the conical tables is smaller than the maximum height of the anti-locking inclined surface 34.
The installation process of this embodiment is as follows:
1. the pressure regulating nut 4 is now screwed onto the rod body 35 and screwed until the pressure regulating nut 4 contacts the anti-lock ramp 34; 2. the clamping part 31 and the screw part 32 pass through the screw through hole 15, and at the moment, the screw part 32 can rotate in the screw through hole 15;
3. the alignment clamping part 31 clamps the pressure regulating knob 2 on the clamping part 31, and simultaneously the rotation limiting block 21 of the pressure regulating knob 2 is clamped into the limiting groove 12 of the base 1 under the guidance of the guide inclined block 11, so that the pressure regulating knob 2 can rotate relative to the base 1.
In this embodiment, the pressure regulating knob 2 drives the pressure regulating bolt 3 to rotate when rotating on the base 1, because the pressure regulating nut 4 is limited to slide in the base 1, the pressure regulating nut 4 in threaded connection with the pressure regulating bolt 3 intelligently slides up and down in the base 1, and because the spring is sleeved on the pressure regulating nut 4, the spring is pressed down along with the pressing of the pressure regulating nut 4, and rebounds along with the rising of the pressure regulating nut 4, the pressure regulating mechanism connected with the end of the spring is not limited in this embodiment. In this embodiment, the joint between the rod body 35 of the pressure regulating bolt 3 and the cap body is provided with an anti-locking inclined plane 34, that is, a slope is formed between the pressure regulating bolt 3 and the pressure regulating nut 4, so as to avoid the occurrence of the situation that the pressure regulating nut 4 and the pressure regulating bolt 3 are completely attached to cause locking of the nut.
In this embodiment, the separation sheet 33 plays a role in isolating the pressure regulating nut 4 and the base 1, the limiting block 14 plays a role in avoiding excessive contact between the separation sheet 33 and the base 1, and the rotation efficiency of the pressure regulating knob 2 can be improved, so that the regulation is more labor-saving.
The purpose of this embodiment is that when the inclined plane is worn down due to long-term use, the maximum height of the inclined plane will be reduced, so that the pressure regulating nut 4 still has the possibility of being attached to the separating sheet 33, and the frustum of the separating sheet can reduce the contact between the pressure regulating nut 4 and the separating sheet 33, and can avoid the nut from being dead to a certain extent. Meanwhile, when the frustum is in contact with the pressure regulating nut 4, the contact friction force is increased, and at the moment, a user can spend more force for adjusting the frustum to the same purpose, and the user can be reminded of replacing a new pressure regulating bolt 3 from the side face.
Claims (7)
1. The utility model provides a pressure regulating mechanism of pressure regulating valve that anti-lock, characterized by, include base (1) and rotate pressure regulating knob (2) of being connected on base (1), pressure regulating knob (2) clamping is connected with pressure regulating bolt (3), pressure regulating bolt (3) threaded connection has pressure regulating nut (4), pressure regulating nut (4) sliding connection is in base (1), pressure regulating nut (4) outside cover is equipped with pressure regulating spring (5), pressure regulating bolt (3) are including body of rod (35) and cap body, body of rod (35) and cap body junction are equipped with anti-lock inclined plane (34).
2. The pressure regulating mechanism of an anti-lock pressure reducing valve according to claim 1, wherein the cap body comprises a clamping portion (31), a spiral portion (32) and a separation sheet (33), the clamping portion (31) is used for being clamped and connected with the pressure regulating knob (2), the spiral portion (32) is used for being rotationally connected with the base (1), the separation sheet (33) is used for being connected with the rod body (35), and the anti-lock inclined surface (34) is arranged at the joint of the rod body (35) and the separation sheet (33).
3. The pressure regulating mechanism of the pressure reducing valve for preventing and killing according to claim 2, wherein the base (1) is provided with a spiral through hole (15), a circle of limiting block (14) is arranged below the spiral through hole (15), the spiral part (32) is rotatably connected in the spiral through hole (15), and the upper end face of the separation sheet (33) is tightly attached to the limiting block (14).
4. The pressure regulating mechanism for the pressure reducing valve, which is capable of preventing and killing according to claim 1, wherein the pressure regulating nut (4) comprises a hexagonal nut plate (42) and a threaded column (41), the threaded column (41) is provided with internal threads, the rod body (35) is provided with external threads, the threaded column (41) is in threaded connection with the rod body (35), a sliding groove (13) for clamping the hexagonal nut plate (42) is formed in the base (1), and the hexagonal nut plate (42) is in sliding connection with the sliding groove (13).
5. The pressure regulating mechanism of the pressure reducing valve for preventing the pressure from being combined and dead according to claim 2, wherein a clamping groove is formed in the bottom of the inner cavity of the pressure regulating knob (2), the clamping portion (31) is clamped in the clamping groove, and the depth of the clamping groove is larger than or equal to the height of the clamping portion (31).
6. The pressure regulating mechanism of the anti-lock pressure reducing valve according to claim 1, wherein a limiting groove (12) is formed in the outer side of the base (1), a guide inclined block (11) is arranged on the upper side of the limiting groove (12), a rotation limiting block (21) is arranged on the inner side wall of the pressure regulating knob (2), and the rotation limiting block (21) is rotationally connected in the limiting groove (12).
7. Pressure regulating mechanism for pressure reducing valve as claimed in claim 2, characterized in that the separating plate (33) is provided with a plurality of conical tables on one side surface close to the pressure regulating screw cap (4), and the height of the conical table is smaller than the maximum height of the pressure regulating inclined plane (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322128391.2U CN220706511U (en) | 2023-08-09 | 2023-08-09 | Pressure regulating mechanism of pressure reducing valve capable of preventing pressure from being combined and dead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322128391.2U CN220706511U (en) | 2023-08-09 | 2023-08-09 | Pressure regulating mechanism of pressure reducing valve capable of preventing pressure from being combined and dead |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220706511U true CN220706511U (en) | 2024-04-02 |
Family
ID=90442353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322128391.2U Active CN220706511U (en) | 2023-08-09 | 2023-08-09 | Pressure regulating mechanism of pressure reducing valve capable of preventing pressure from being combined and dead |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220706511U (en) |
-
2023
- 2023-08-09 CN CN202322128391.2U patent/CN220706511U/en active Active
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