CN218817312U - Pressure relief and exhaust structure of machining tool - Google Patents
Pressure relief and exhaust structure of machining tool Download PDFInfo
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- CN218817312U CN218817312U CN202222953724.0U CN202222953724U CN218817312U CN 218817312 U CN218817312 U CN 218817312U CN 202222953724 U CN202222953724 U CN 202222953724U CN 218817312 U CN218817312 U CN 218817312U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model relates to the field of pressure relief, in particular to a pressure relief and exhaust structure of a machining tool, which comprises a base, wherein an oil cylinder is welded at the center of the outer wall of the top of the base, a cylinder body is welded at the center of the oil cylinder, a homing spring is welded on the inner wall of the bottom of the cylinder body, a piston rod is welded at the top of the homing spring, and a cylinder is welded at one side of the outer wall of the top of the base; the outer wall of one side of drum articulates there is the connecting rod, and the other end of connecting rod articulates there is the depression bar, the bottom outer wall of depression bar articulates there is the pressure bar, two first oil ducts and two second oil ducts have been seted up respectively in the base. The utility model discloses sealing spring gives the sufficient holding power of sealed steel ball, prevents to reveal, makes the sealing rod remove after the pressure release pole is rotatory, makes cylinder body and oil cylinder intercommunication through pressure release groove and second oil duct, and during fluid in the cylinder body got back to the oil cylinder under pressure and playback spring effect, keeps the leakproofness, and simple structure is convenient for use, improves the reliability.
Description
Technical Field
The utility model relates to a pressure release technical field, in particular to pressure release exhaust structure of machining tool.
Background
The hydraulic system among the current hydraulic pressure pipe fitting machining tool generally comprises relevant spare parts such as plunger, relief valve, oil feed check valve, and relief valve wherein often has automatic pressure release and two kinds of functions of manual pressure release concurrently, and manual pressure release structure often only possesses single manual pressure release function among the prior art, and the structure is comparatively complicated, uses fail safe nature poor, and the seepage appears easily in steel ball pressure release and sealed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems and the defects, the pressure relief exhaust structure of the processing tool is provided with a one-way passage by matching a sealing spring and a sealing steel ball in a first oil passage with the first oil passage, which is convenient for conveying oil, and the sealing spring provides enough supporting force for the sealing steel ball to prevent leakage; solves the problem that the traditional steel ball sealing is easy to cause leakage
Make the sealing rod remove after the pressure release pole is rotatory, make cylinder body and oil cylinder intercommunication through pressure release groove and second oil duct, during fluid in the cylinder body gets back to the oil cylinder under pressure and playback spring effect, keep the leakproofness, simple structure is convenient for use, improves the reliability, has solved the complicated problem of pressure release mode that traditional dependence steel ball pressure release leads to.
In order to realize the purpose, the utility model adopts the following technical scheme:
a pressure relief and exhaust structure of a machining tool comprises a base, wherein an oil cylinder is welded at the center of the outer wall of the top of the base, a cylinder body is welded at the center of the oil cylinder, a homing spring is welded on the inner wall of the bottom of the cylinder body, a piston rod is welded at the top of the homing spring, and a cylinder is welded on one side of the outer wall of the top of the base; the outer wall of one side of drum articulates there is the connecting rod, and the other end of connecting rod articulates there is the depression bar, the bottom outer wall of depression bar articulates there is the pressure bar, two first oil ducts and two second oil ducts have been seted up respectively in the base.
Preferably, the inner walls of one ends of the two first oil ducts are respectively welded with a sealing spring, the other end of each sealing spring is welded with a sealing steel ball, and one end, located at the second oil duct, of the base is provided with a pressure relief groove;
according to the scheme: the sealing spring and the sealing steel ball in the first oil duct are matched with the first oil duct to carry out one-way passage, so that oil can be conveniently conveyed, and the sealing spring provides enough supporting force for the sealing steel ball to prevent leakage.
Preferably, the inner wall of the pressure relief groove is in threaded connection with a pressure relief rod, a sealing rod is welded on the outer wall of one end of the pressure relief rod, and the outer wall of the sealing rod is located at one end of the two second oil channels;
according to the scheme: make the sealing rod remove after the pressure release pole is rotatory, make cylinder body and oil cylinder intercommunication through pressure release groove and second oil duct, during fluid in the cylinder body gets back to the oil cylinder under pressure and playback spring effect, keep the leakproofness, simple structure is convenient for use, improves the reliability.
Preferably, the outer walls of the piston rod and the pressure rod are both fixed with sealing pistons, the pressure rod and the piston rod are respectively connected with the inner walls of the cylinder and the cylinder body in a sliding mode, and the center of the outer wall of the top end of the piston rod is connected with an adjusting screw rod in a threaded mode.
Preferably, two ends of the two first oil passages are respectively communicated with the cylinder body, the cylinder and the oil cylinder, and the directions of the sealing springs and the sealing steel balls in the first oil passages are opposite.
Preferably, two ends of the two second oil channels are respectively communicated with the pressure relief groove, the cylinder body and the oil cylinder.
The beneficial effects of the utility model are that:
1. the sealing spring and the sealing steel ball in the first oil duct are matched with the first oil duct to carry out one-way passage, oil is convenient to convey, the sealing spring provides enough supporting force for the sealing steel ball, leakage is prevented, the sealing rod is enabled to move after the pressure relief rod rotates, the cylinder body is communicated with the oil cylinder through the pressure relief groove and the second oil duct, oil in the cylinder body returns to the oil cylinder under the action of pressure and the return spring, the sealing performance is kept, the structure is simple, the use is convenient, and the reliability is improved.
Drawings
Fig. 1 is a schematic view of an overall cross-sectional structure of a pressure relief and exhaust structure of a machining tool according to the present invention;
fig. 2 is an enlarged schematic structural view of a portion a of a pressure relief and exhaust structure of a machining tool according to the present invention;
fig. 3 is an enlarged schematic structural diagram of a part B of a pressure relief and exhaust structure of a machining tool according to the present invention.
In the figure: the oil cylinder comprises a base 1, an oil cylinder 2, a cylinder body 3, a return spring 4, a piston rod 5, an adjusting screw 6, a cylinder 7, a pressure rod 8, a pressure rod 9, a first oil channel 10, a second oil channel 11, a sealing piston 12, a sealing spring 13, a sealing steel ball 14, a pressure relief rod 15 and a sealing rod 16.
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.
Example 1:
referring to fig. 1-3, a pressure relief and exhaust structure of a machining tool comprises a base 1, wherein an oil cylinder 2 is welded at the center of the outer wall of the top of the base 1, a cylinder body 3 is welded at the center of the oil cylinder 2, a homing spring 4 is welded on the inner wall of the bottom of the cylinder body 3, a piston rod 5 is welded at the top of the homing spring 4, and a cylinder 7 is welded at one side of the outer wall of the top of the base 1; the outer wall of one side of the cylinder 7 is hinged with a connecting rod, the other end of the connecting rod is hinged with a pressing rod 8, the outer wall of the bottom of the pressing rod 8 is hinged with a pressurizing rod 9, two first oil ducts 10 and two second oil ducts 11 are respectively arranged in the base 1, oil enters the cylinder body 3 from the oil cylinder 2 through the two first oil ducts 10, and the cylinder body 3 is filled with oil to enable the oil to support the return spring 4 and the piston rod 5 and push the piston rod 5 upwards;
referring to fig. 2, a sealing spring 13 is welded on the inner wall of one end of each of two first oil ducts 10, a sealing steel ball 14 is welded on the other end of each of the sealing springs 13, a pressure relief groove is formed in one end, located at the second oil duct 11, of the base 1, the sealing spring 13 and the sealing steel ball 14 in the first oil duct 10 are matched with the first oil duct 10 to form a one-way passage, so that oil can be conveyed conveniently, and the sealing spring 13 provides enough supporting force for the sealing steel ball 14 to prevent leakage;
referring to fig. 3, a pressure relief rod 15 is screwed on the inner wall of the pressure relief groove, a sealing rod 16 is welded on the outer wall of one end of the pressure relief rod 15, the outer wall of the sealing rod 16 is located at one end of the two second oil ducts 11, the pressure relief rod 15 is matched with the sealing rod 16 to communicate or close the two second oil ducts 11, pressure relief is facilitated, sealing is facilitated, waste liquid needs to be discharged, the structure is simple, and pressure relief is facilitated;
referring to fig. 1, sealing pistons 12 are fixed on the outer walls of a piston rod 5 and a pressurizing rod 9, the pressurizing rod 9 and the piston rod 5 are respectively connected to the inner walls of a cylinder 7 and a cylinder body 3 in a sliding manner, an adjusting screw rod 6 is screwed in the center of the outer wall of the top end of the piston rod 5, the piston rod 5 in the cylinder body 3 is matched with the sealing piston 12 and a homing spring 4 to enable the piston rod 5 to rise at a constant speed under the action of oil, the homing spring 4 keeps the rising stability, and during pressure relief, the homing spring 4 is matched with the oil to increase the pressure relief speed so as to facilitate the discharge of the oil;
two ends of the two first oil channels 10 are respectively communicated with the cylinder body 3, the cylinder 7 and the oil cylinder 2, and the directions of a sealing spring 13 and a sealing steel ball 14 in the first oil channels 10 are opposite;
two ends of the two second oil ducts 11 are respectively communicated with the pressure relief groove, the cylinder body 3 and the oil cylinder 2.
The working principle is as follows: when the oil cylinder is used, the compression rod 9 moves up and down to enable the compression rod 9 to do up-and-down reciprocating motion in the cylinder 7 through the matching connecting rod which is matched with the compression rod 9, when the compression rod 9 is matched with the sealing piston 12 to move upwards, the sealing steel ball 14 in the first oil duct 10 under the action of pressure opens the first oil duct 10, oil in the oil cylinder 2 enters the cylinder 7, when the compression rod 9 moves downwards, the oil in the cylinder 7 pushes the sealing steel ball 14 and the sealing spring 13 in the first oil duct 10 under the action of pressure, the oil enters the first oil duct 10, the oil enters the cylinder body 3 from the oil cylinder 2 through the two first oil ducts 10 after circulation, the oil is filled in the cylinder body 3 to enable the oil to support the return spring 4 and the piston rod 5, the piston rod 5 is pushed upwards, the height is further adjusted through the rotation adjusting screw 6, the compression rod 15 is rotated after the circulation, the sealing rod 16 is moved after the rotation of the compression rod 15, the cylinder body 3 is communicated with the oil cylinder 2 through the compression groove and the second oil duct 11, and the oil in the cylinder 3 returns to the oil cylinder 2 under the action of the pressure and the return spring 4.
Exemplary embodiments of the present invention have been described in detail with reference to the embodiments, however, it will be understood by those skilled in the art that various modifications and changes can be made to the above specific embodiments without departing from the concept of the present invention, and various combinations of the technical features and structures of the present invention can be implemented without departing from the scope of the present invention, which is defined by the appended claims. The foregoing description of specific exemplary embodiments of the invention is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application, to thereby enable others skilled in the art to make and utilize various exemplary embodiments of the invention and various alternatives and modifications. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (6)
1. The pressure relief and exhaust structure of the machining tool comprises a base (1) and is characterized in that an oil cylinder (2) is welded at the center of the outer wall of the top of the base (1), a cylinder body (3) is welded at the center of the oil cylinder (2), a homing spring (4) is welded on the inner wall of the bottom of the cylinder body (3), a piston rod (5) is welded at the top of the homing spring (4), and a cylinder (7) is welded on one side of the outer wall of the top of the base (1);
the outer wall of one side of drum (7) articulates there is the connecting rod, and the other end of connecting rod articulates there is depression bar (8), the bottom outer wall of depression bar (8) articulates there is compression bar (9), twice first oil duct (10) and twice second oil duct (11) have been seted up respectively in base (1).
2. The pressure relief and exhaust structure of a machining tool as claimed in claim 1, wherein the inner wall of one end of each of the two first oil channels (10) is welded with a sealing spring (13), the other end of each of the sealing springs (13) is welded with a sealing steel ball (14), and one end of the base (1) located on the second oil channel (11) is provided with a pressure relief groove.
3. The pressure relief and exhaust structure of a machining tool according to claim 2, wherein the inner wall of the pressure relief groove is screwed with a pressure relief rod (15), a sealing rod (16) is welded to the outer wall of one end of the pressure relief rod (15), and the outer wall of the sealing rod (16) is located at one end of the two second oil channels (11).
4. The pressure relief and exhaust structure of a machining tool as claimed in claim 1, wherein the outer walls of the piston rod (5) and the pressure rod (9) are fixed with sealing pistons (12), the pressure rod (9) and the piston rod (5) are respectively connected to the inner walls of the cylinder (7) and the cylinder body (3) in a sliding manner, and the center of the outer wall of the top end of the piston rod (5) is screwed with an adjusting screw (6).
5. The pressure relief and exhaust structure of a machining tool as claimed in claim 1, wherein two ends of the two first oil channels (10) are respectively communicated with the cylinder body (3), the cylinder (7) and the oil cylinder (2), and the sealing spring (13) in the first oil channel (10) is opposite to the sealing steel ball (14).
6. The pressure relief and exhaust structure of a machining tool according to claim 1, wherein two ends of the second oil passage (11) are respectively communicated with the pressure relief groove, the cylinder body (3) and the oil cylinder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222953724.0U CN218817312U (en) | 2022-11-07 | 2022-11-07 | Pressure relief and exhaust structure of machining tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222953724.0U CN218817312U (en) | 2022-11-07 | 2022-11-07 | Pressure relief and exhaust structure of machining tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218817312U true CN218817312U (en) | 2023-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222953724.0U Active CN218817312U (en) | 2022-11-07 | 2022-11-07 | Pressure relief and exhaust structure of machining tool |
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| Country | Link |
|---|---|
| CN (1) | CN218817312U (en) |
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2022
- 2022-11-07 CN CN202222953724.0U patent/CN218817312U/en active Active
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