CN210400705U - Hydraulic pressure type pressure indicator - Google Patents
Hydraulic pressure type pressure indicator Download PDFInfo
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- CN210400705U CN210400705U CN201921187443.0U CN201921187443U CN210400705U CN 210400705 U CN210400705 U CN 210400705U CN 201921187443 U CN201921187443 U CN 201921187443U CN 210400705 U CN210400705 U CN 210400705U
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- hole
- indicating
- seat
- mounting seat
- return spring
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Abstract
The utility model relates to a hydraulic pressure type pressure indicator, which comprises a mounting seat (1), a top cover (2) and an indicating seat (3) which are connected, wherein a stepped hole (1 b) and an indicating rod (4) are arranged in the mounting seat (1), and an indicating hole (3 a) is arranged in the indicating seat (3); the upper end of the indicating rod (4) penetrates through the mounting seat (1) and the top cover (2) and extends into an indicating hole (3 a) of the indicating seat (3), and the lower end of the indicating rod (4) is connected with the piston (7); be equipped with round recess (4 a) on instruction pole (4), split ring (6) on recess (4 a) just in time block in shoulder hole (1 b), and connect a set of return spring (5) on instruction pole (4) of its top, the upper end of return spring (5) just in time contacts with top cap (2) lower surface, the lower extreme of return spring (5) just in time contacts with split ring (6). The utility model has the advantages that avoided the sensitive component to damage the instrument failure that brings, the reading is accurate, life is high.
Description
Technical Field
The utility model belongs to the technical field of manometer equipment technique and specifically relates to a fluid pressure type pressure indicator.
Background
The pressure gauge is a meter which takes an elastic element as a sensitive element and measures and indicates the pressure higher than the ambient pressure, is very commonly applied and almost extends to all the fields of industrial processes and scientific researches. However, the pressure gauge currently used generally displays the pressure by means of elastic deformation of a sensitive element in the gauge, such as a bourdon tube, a bellows or a bellows, and then by means of a conversion mechanism of a movement in the gauge, transmitting the pressure deformation to the pointer, causing the pointer to rotate. However, in a severe or severe environment, the sensor is susceptible to damage, which may cause malfunction of the pressure gauge or inaccurate readings.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is exactly in order to solve current manometer single structure, easy impaired problem, provides a fluid pressure type pressure indicator, is arranged in the manometer with the principle of pneumatic cylinder, has saved the sensing element, has avoided the sensing element to damage the malfunctioning condition of apparatus that brings, has improved the accuracy of reading.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a hydraulic pressure indicator characterized by:
the device comprises a mounting seat, a top cover and an indicating seat, wherein a first through hole is formed in the mounting seat, a stepped hole is formed in the first through hole, the upper part of the mounting seat is connected with the indicating seat through the top cover, and an indicating hole coaxial with the first through hole is formed in the indicating seat;
an indication rod is arranged in the first through hole, the upper end of the indication rod penetrates through the mounting seat and the top cover to extend into the indication hole of the indication seat, and the lower end of the indication rod is connected with the piston so as to push the indication rod to lift through the piston to obtain a pressure reading;
be located and be equipped with the round recess on the instruction pole of shoulder hole, connect a split retainer ring on the recess, split retainer ring just in time blocks in the shoulder hole, and connects a set of return spring on the instruction pole of split retainer ring top, return spring's upper end just in time and top cap lower surface contact, return spring's lower extreme just in time and split retainer ring contact to guarantee that the instruction pole just in time blocks static in the shoulder hole under the unstressed state.
One side of the indicating hole is transparent and is marked with a pressure value so as to be convenient for a user to read.
The mount pad is connected on the apron of lubricating pump, and the junction of mount pad and apron is equipped with first sealing washer, is equipped with the second sealing washer on the inner wall of mount pad and piston contact to reach sealed effect, guarantee the reading accuracy.
In the technical scheme of the utility model, the piston is pushed to move by the lubricating oil in the lubricating pump, so as to drive the indicating rod at the upper end of the piston to move upwards and determine the pressure value in the lubricating pump by reading the extending height of the upper end of the indicating rod, namely the rising value displayed by the indicating rod in the indicating seat; when the lubricating pump stops working, the indicating rod is reset to a zero position by the return spring, namely the piston returns to the bottom of the mounting seat. The pressure indicator uses a hydraulic cylinder principle, can accurately display the pressure range of 0-1.8 Mpa, and can replace a piston and an indicating rod with higher structural strength due to the fact that a sensitive element is omitted, so that the condition that an instrument is out of order due to damage of the sensitive element is avoided, and the reading accuracy is improved.
Drawings
Fig. 1 is a schematic structural view of a hydraulic pressure indicator according to the present invention;
fig. 2 is an assembly view of the present invention between the outer mounting base, the top cover and the indicating base;
fig. 3 is a schematic view of the structure of the indicating rod of the present invention.
Detailed Description
Example 1
In order to make the present invention more clear, the following description is further made with reference to the accompanying drawings, and the specific embodiments described herein are only used for explaining the present invention, and are not used for limiting the present invention.
A hydraulic pressure indicator characterized by:
referring to fig. 1 and 2, the device comprises a mounting base 1, a top cover 2 and an indicating base 3, wherein a first through hole 1a is formed in the mounting base 1, a stepped hole 1b is formed in the lower portion of the first through hole 1a, the top cover 2 is connected to the upper portion of the mounting base 1, a second through hole 2a is formed in the middle of the top cover 2, the upper portion of the top cover 2 is connected with the indicating base 3, an indicating hole 3a is formed in the indicating base 3, and the indicating hole 3a is communicated and coaxial with the first through hole 1a and the second through hole 2 a;
referring to fig. 1, an indication rod 4 is arranged in the first through hole 1a, the upper end of the indication rod 4 penetrates through the first through hole 1a and the second through hole 2a and extends into an indication hole 3a of the indication seat 3, and the lower end of the indication rod 4 is connected with a piston 7 so as to push the indication rod 4 to lift through the piston 7, thereby obtaining a pressure reading;
referring to fig. 1 and 3, a circle of groove 4a is arranged at the lower part of an indicating rod 4 positioned in a stepped hole 1b, a split retainer ring 6 is clamped in the groove 4a, the split retainer ring 6 of the indicating rod 4 in an unstressed state is just clamped on the stepped hole 1b, a return spring 5 is connected on the indicating rod 4, the upper end of the return spring 5 is just contacted with the lower surface of a top cover 2, and the lower end of the return spring 5 is just contacted with the split retainer ring 6, so that the indicating rod 4 is just clamped in the stepped hole 1b in an unstressed state and is static.
The indicating hole 3a is formed transparent on one side and marked with a pressure value to facilitate reading by a user.
Referring to fig. 1, a mounting seat 1 is arranged on a cover plate of a lubrication pump, and a first sealing ring 8 is arranged at a connecting part of the lower part of the mounting seat 1 and the cover plate for sealing between a pressure indicator and the cover plate;
a second sealing ring 9 is arranged between the piston 7 and the mounting seat 1 for sealing between the piston and the pressure indicator mounting seat.
In the utility model, the lubricating oil in the lubricating pump pushes the piston 7 to move, thereby driving the indicating rod 4 at the upper end of the piston 7 to move upwards, and the pressure value in the lubricating pump is determined by reading the extending height of the upper end of the indicating rod 4, namely the rising value displayed by the indicating rod 4 in the indicating hole 3a of the indicating seat 3; when the lubricating pump stops working, the indicating rod 4 is reset to a zero position by the return spring 5, namely the piston 7 returns to the lowest part of the mounting seat 1, and the split retainer ring 6 on the indicating rod 4 is just clamped on the step of the stepped hole 1b, so that the indicating rod 4 is ensured not to slide out of the mounting seat 1. The pressure indicator uses a hydraulic cylinder principle, can accurately display the pressure range of 0-1.8 Mpa, and can replace a piston and an indicating rod with higher structural strength due to the fact that a sensitive element is omitted, so that the condition that an instrument is out of order due to damage of the sensitive element is avoided, and the reading accuracy is improved.
In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.
Claims (3)
1. A hydraulic pressure indicator characterized by:
the device comprises a mounting seat (1), a top cover (2) and an indicating seat (3), wherein a first through hole (1 a) is formed in the mounting seat (1), a stepped hole (1 b) is formed in the first through hole (1 a), the upper part of the mounting seat (1) is connected with the indicating seat (3) through the top cover (2), and an indicating hole (3 a) coaxial with the first through hole (1 a) is formed in the indicating seat (3);
an indication rod (4) is arranged in the first through hole (1 a), the upper end of the indication rod (4) penetrates through the mounting base (1) and the top cover (2) and extends into an indication hole (3 a) of the indication base (3), and the lower end of the indication rod (4) is connected with the piston (7);
be located and be equipped with round recess (4 a) on indicator lever (4) in shoulder hole (1 b), connect split retaining ring (6) on recess (4 a), split retaining ring (6) just in time block in shoulder hole (1 b), and connect a set of return spring (5) on indicator lever (4) of split retaining ring (6) top, the upper end of return spring (5) just in time contacts with top cap (2) lower surface, the lower extreme of return spring (5) just in time contacts with split retaining ring (6).
2. A hydraulic pressure indicator according to claim 1, wherein:
one side of the indicating hole (3 a) is transparent and is marked with a pressure value.
3. A hydraulic pressure indicator according to claim 1 or 2, wherein:
a second sealing ring (9) is arranged between the mounting seat (1) and the piston (7), and a first sealing ring (8) is arranged between the mounting seat (1) and the lubricating pump cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921187443.0U CN210400705U (en) | 2019-07-26 | 2019-07-26 | Hydraulic pressure type pressure indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921187443.0U CN210400705U (en) | 2019-07-26 | 2019-07-26 | Hydraulic pressure type pressure indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210400705U true CN210400705U (en) | 2020-04-24 |
Family
ID=70356573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921187443.0U Active CN210400705U (en) | 2019-07-26 | 2019-07-26 | Hydraulic pressure type pressure indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210400705U (en) |
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2019
- 2019-07-26 CN CN201921187443.0U patent/CN210400705U/en active Active
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