CN113091995A

CN113091995A - Position driving lever device for adjusting upper and lower limit pointers of pressure gauge

Info

Publication number: CN113091995A
Application number: CN202110357220.XA
Authority: CN
Inventors: 沈必亮
Original assignee: Anhui Chunhui Instrument Cable Group Co Ltd
Current assignee: Anhui Chunhui Instrument Cable Group Co Ltd
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-07-09
Anticipated expiration: 2041-04-01
Also published as: CN113091995B

Abstract

The invention relates to the technical field of pressure meters, and discloses a position deflector rod device for adjusting upper and lower limit pointers of a pressure meter, which comprises a meter shell, wherein a through hole is formed in the side wall of the left side of the meter shell, a fixed cylinder is fixedly sleeved in the through hole, an insertion hole is formed in the bottom of the fixed cylinder, a main shaft is movably sleeved in the insertion hole, two ends of the main shaft extend out of the fixed cylinder, a deflector rod is connected to the shaft wall of the main shaft close to the right end, a deflector plate is fixedly connected to the vertical side wall of the deflector rod close to the lower end, the shaft wall of the main shaft is rotatably connected with the inner wall of the fixed cylinder through a bearing, an adjusting wheel is connected to the shaft wall of the main shaft close to. This adjust position driving lever device of manometer bound pointer has improved the cooperation effect between the elastic friction lantern ring and the friction ring, has avoided long-term use to lead to the problem that the result of use descends after the friction ring wearing and tearing, the effectual flexibility ratio that improves the striking gear installation.

Description

Position driving lever device for adjusting upper and lower limit pointers of pressure gauge

Technical Field

The invention relates to the technical field of pressure gauges, in particular to a position deflector rod device for adjusting upper and lower limit pointers of a pressure gauge.

Background

The electric contact pressure gauge is widely applied to the industrial departments of petroleum, chemical industry, metallurgy, power stations, machinery and the like or the matching of electromechanical equipment to measure the pressure of various fluid media without explosion danger. The upper and lower limit pointer position deflector rod structure is required to be arranged in the electric contact pressure gauge to stir and adjust the upper and lower limit pointers of the electric contact pressure gauge.

When the existing deflector rod device for the positions of the upper and lower limit pointers of the electric contact pressure gauge is used, a main shaft of the device is fixed and limited and the rotating speed is reduced through a friction ring, but the locking force of the structure of the friction ring is fixed and cannot be adjusted, so that the effect is gradually deteriorated after the device is used for a long time, and the normal use of the deflector rod device is influenced; and the position of the poking rod of the prior poking rod device is fixed, so that fine adjustment can not be carried out according to actual installation requirements, and the installation flexibility of the poking rod device is reduced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the deflector rod device for adjusting the position of the upper and lower limit pointers of the pressure gauge, which has the advantages of improving the use effect of a friction ring of the deflector rod device, improving the installation flexibility of the deflector rod device and the like, and solves the problems of poor long-term use effect of the friction ring of the deflector rod device and poor installation flexibility of the deflector rod device in the prior art.

(II) technical scheme

The invention provides the following technical scheme: a position deflector rod device for adjusting upper and lower limit pointers of a pressure gauge comprises a watchcase, wherein a through hole is formed in the side wall of the left side of the watchcase, a fixed cylinder is fixedly sleeved in the through hole, a jack is formed in the bottom of the fixed cylinder, a spindle is movably sleeved in the jack, two ends of the spindle extend out of the fixed cylinder, the spindle wall close to the right end of the spindle is connected with a deflector rod, a deflector plate is fixedly connected to the vertical side wall of the lower end of the deflector rod close to the lower end of the deflector rod, the spindle wall of the spindle is rotatably connected with the inner wall of the fixed cylinder through a bearing, the spindle wall close to the left end of the spindle is connected with an adjusting wheel;

the friction limiting mechanism comprises a friction ring fixedly sleeved outside the main shaft, an elastic friction sleeve ring is movably sleeved outside the friction ring, the outer wall of the elastic friction lantern ring is fixedly connected with a plurality of limiting slide bars, the inner wall of the fixed cylinder is provided with a plurality of limiting slide holes corresponding to the limiting slide bars, the limiting slide bar penetrates through the fixed cylinder through a limiting slide hole, two threaded holes are symmetrically formed in the outer wall of the fixed cylinder, adjusting studs are sleeved in the two threaded holes in a threaded manner, one end of the adjusting stud far away from the elastic friction lantern ring is provided with a sliding groove, a sliding rod is movably inserted in the sliding groove, the rod wall of the sliding rod is symmetrically and fixedly connected with two limiting sliding blocks, the groove wall of the sliding groove is symmetrically provided with two limiting sliding grooves matched with the limiting sliding blocks, and one end of the sliding rod extends out of the sliding groove and is fixedly connected with a pulling plate.

Preferably, the main shaft is close to the shaft wall of right-hand member and has seted up the mounting groove, the activity of the upper end of poker rod is pegged graft in the mounting groove, the poker rod is close to the pole wall fixedly connected with locating piece of upper end, the left cell wall of mounting groove seted up with locating piece assorted constant head tank, the screw with the mounting groove intercommunication is seted up to the right-hand member of main shaft, and the screw internal thread has cup jointed the locking bolt, the screw is all stretched out at the both ends of locking bolt.

Preferably, the fixed cover of axle wall of main shaft is equipped with the ratchet, the ratchet is located fixed section of thick bamboo, the outer wall of ratchet and the inner wall contactless of fixed section of thick bamboo, the mounting hole has been seted up to the inner wall of fixed section of thick bamboo, the locking pole has been cup jointed to the activity in the mounting hole, the mounting hole all stretches out at the both ends of locking pole, the upper end fixedly connected with limiting plate of locking pole, the locking pole is close to the pole wall fixedly connected with baffle of lower extreme, the same reset spring of fixed connection between the inner wall of baffle and fixed section of thick bamboo, the semi-circular fixture block of lower extreme fixedly connected with of locking pole.

Preferably, the inner wall thread that the fixed cylinder is close to the left end has cup jointed the external screw thread pipe, the left end fixedly connected with closing plate of external screw thread pipe, the shaft hole has been seted up to the left lateral wall of closing plate, the main shaft runs through the closing plate through the shaft hole, the pore wall fixedly connected with sealing washer in shaft hole.

Preferably, the main shaft is equipped with two stop nuts near the symmetrical thread bush of the axle wall of left end, the regulating wheel is located between two stop nuts, two card strips of the inner wall symmetry fixedly connected with of regulating wheel, two and card strip assorted draw-in grooves have been seted up to the axle wall symmetry of main shaft.

Preferably, the hole wall of the jack is fixedly connected with a rubber ring, and the rubber ring is movably sleeved outside the main shaft.

Preferably, the outer wall of the fixed cylinder is symmetrically and fixedly connected with two connecting plates, the two connecting plates are located on the left side of the watchcase, and the connecting plates are fixedly connected with the side wall on the left side of the watchcase through fastening bolts.

(III) advantageous effects

Compared with the prior art, the invention provides a position deflector rod device for adjusting upper and lower limit pointers of a pressure gauge, which has the following beneficial effects:

1. the position shift lever device for adjusting the upper and lower limit pointers of the pressure gauge pulls the pull plate through the arranged friction limiting mechanism when in use, the pull plate drives the sliding rod to slide in the sliding groove, the sliding rod can be prevented from being separated from the sliding groove by the mutual matching of the limiting sliding block and the limiting sliding groove, the sliding rod is rotated to drive the adjusting stud to rotate, the adjusting stud moves towards the direction close to the elastic friction sleeve ring through the thread matching between the adjusting stud and the threaded hole, the adjusting stud can extrude the elastic friction sleeve ring to elastically deform the elastic friction sleeve ring, thereby can make the elastic friction lantern ring closely laminate with the friction ring to can guarantee the elastic friction lantern ring all the time and closely laminate with the friction ring, improve the cooperation effect between the elastic friction lantern ring and the friction ring, avoid long-term use to lead to the problem that the result of use descends after the friction ring wearing and tearing.

2. This adjust position driving lever device of manometer upper and lower limit pointer, through the mounting groove that sets up, the locating piece, constant head tank and locking bolt, during the use, twist and move the locking bolt, through the screw-thread fit between locking bolt and the screw, make the locking bolt to the direction removal of keeping away from the poker rod, remove the spacing of locking bolt to the poker rod fixed, the position of poker rod can be adjusted to the pulling poker rod, thereby can finely tune the position of poker rod, the flexibility ratio of poker rod installation has been improved, the effectual flexibility ratio that improves the installation of striking device.

Drawings

FIG. 1 is a schematic structural diagram of a lever device for adjusting the position of an upper and lower limit pointer of a pressure gauge according to the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is an enlarged view of a portion B of FIG. 2;

fig. 4 is a partial structure enlarged view of a portion C in fig. 2.

In the figure: the device comprises a watch shell 1, a fixed cylinder 2, a jack 3, a main shaft 4, a dial rod 5, a dial plate 6, an adjusting wheel 7, a friction limiting mechanism 8, a friction ring 81, an elastic friction collar 82, a limiting slide rod 83, a limiting slide hole 84, a threaded hole 85, an adjusting stud 86, a sliding groove 87, a sliding rod 88, a limiting slide block 89, a limiting slide groove 810, a pulling plate 811, a mounting groove 9, a positioning block 10, a positioning groove 11, a locking bolt 12, a ratchet wheel 13, a mounting hole 14, a locking rod 15, a limiting plate 16, a baffle 17, a return spring 18, a semicircular clamping block 19, an external threaded pipe 20, a sealing plate 21, a shaft hole 22, a sealing ring 23, a limiting nut 24, a clamping strip 25, a clamping groove 26, a rubber.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a position deflector rod device for adjusting upper and lower limit pointers of a pressure gauge comprises a watchcase 1, wherein a through hole is formed in the side wall of the left side of the watchcase 1, a fixed cylinder 2 is fixedly sleeved in the through hole, an insertion hole 3 is formed in the bottom of the fixed cylinder 2, a spindle 4 is movably sleeved in the insertion hole 3, two ends of the spindle 4 extend out of the fixed cylinder 2, a deflector rod 5 is connected to the spindle wall of the spindle 4 close to the right end, a deflector sheet 6 is fixedly connected to the vertical side wall of the deflector rod 5 close to the lower end, the spindle wall of the spindle 4 is rotatably connected with the inner wall of the fixed cylinder 2 through a bearing, an adjusting wheel 7 is connected to the spindle wall of the spindle 4 close to the left end;

the friction limiting mechanism 8 comprises a friction ring 81 fixedly sleeved outside the main shaft 4, an elastic friction sleeve ring 82 is movably sleeved outside the friction ring 81, the outer wall of the elastic friction sleeve ring 82 is fixedly connected with a plurality of limiting slide rods 83, the inner wall of the fixed cylinder 2 is provided with a plurality of limiting slide holes 84 corresponding to the limiting slide rods 83, the limiting slide rods 83 penetrate through the fixed cylinder 2 through the limiting slide holes 84, the outer wall of the fixed cylinder 2 is symmetrically provided with two threaded holes 85, adjusting studs 86 are sleeved in the two threaded holes 85 in a threaded manner, one end of each adjusting stud 86, far away from the elastic friction sleeve ring 82, is provided with a slide groove 87, a slide rod 88 is movably inserted in the slide groove 87, two limiting slide blocks 89 are symmetrically and fixedly connected to the rod wall of the slide rod 88, two limiting slide grooves 810 matched with the limiting slide blocks 89 are symmetrically arranged on the groove wall of the slide groove 87, one end of the slide rod 88, during the use, pulling arm plate 811, arm plate 811 drives slide bar 88 and slides in sliding tray 87, mutually support through spacing slider 89 and spacing spout 810, can avoid slide bar 88 to break away from sliding tray 87, rotate slide bar 88, slide bar 88 drives regulation double-screw bolt 86 and rotates, screw-thread fit between through adjusting double-screw bolt 86 and screw hole 85, make regulation double-screw bolt 86 to the direction removal that is close to elastic friction lantern ring 82, it can extrude elastic friction lantern ring 82 to adjust double-screw bolt 86, make elastic friction lantern ring 82 elastic deformation, thereby can make elastic friction lantern ring 82 closely laminate with friction ring 81, thereby can guarantee elastic friction lantern ring 82 and friction ring 81 closely laminate all the time, the cooperation effect between elastic friction lantern ring 82 and friction ring 81 has been improved, the problem that the result of use effect descends after friction ring 81 wears out of having avoided long-term use.

The shaft wall of the main shaft 4 close to the right end is provided with a mounting groove 9, the upper end of the poke rod 5 is movably inserted in the mounting groove 9, the rod wall of the poke rod 5 close to the upper end is fixedly connected with a positioning block 10, the groove wall on the left side of the mounting groove 9 is provided with a positioning groove 11 matched with the positioning block 10, the right end of the main shaft 4 is provided with a screw hole communicated with the mounting groove 9, and the internal thread of the screw hole is sleeved with a locking bolt 12, both ends of the locking bolt 12 extend out of the screw hole, when in use, the locking bolt 12 is screwed, the locking bolt 12 moves towards the direction far away from the poke rod 5 through the thread matching between the locking bolt 12 and the screw hole, the limit fixation of the poke rod 5 by the locking bolt 12 is released, the position of the poke rod 5 can be adjusted by pulling the poke rod 5, thereby can finely tune the position of poker rod 5, improve the flexibility ratio of poker rod 5 installation, the effectual flexibility ratio that improves the setting of toggle device.

The fixed cover of axle wall of main shaft 4 is equipped with ratchet 13, ratchet 13 is located solid fixed cylinder 2, ratchet 13's outer wall and solid fixed cylinder 2's inner wall contactless, mounting hole 14 has been seted up to solid fixed cylinder 2's inner wall, locking pole 15 has been cup jointed to the activity in mounting hole 14, mounting hole 14 all stretches out at the both ends of locking pole 15, the upper end fixedly connected with limiting plate 16 of locking pole 15, locking pole 15 is close to the pole wall fixedly connected with baffle 17 of lower extreme, the same root reset spring 18 of fixed connection between the inner wall of baffle 17 and solid fixed cylinder 2, the semicircular fixture block 19 of lower extreme fixedly connected with of locking pole 15, in the use, mutually support through ratchet 13 and semicircular fixture block 19, can carry out effectual locking to main shaft 4, avoid main shaft 4 to rotate by oneself.

The inner wall screw thread that the fixed section of thick bamboo 2 is close to the left end has cup jointed outer screwed pipe 20, and outer screwed pipe 20's left end fixedly connected with closing plate 21, shaft hole 22 have been seted up to the left lateral wall of closing plate 21, and main shaft 4 runs through closing plate 21 through shaft hole 22, and the pore wall fixedly connected with sealing washer 23 of shaft hole 22 can carry out effectual sealedly to the left end of fixed section of thick bamboo 2, has improved the leakproofness of fixed section of thick bamboo 2.

The axle wall symmetry screw thread cover that main shaft 4 is close to the left end is equipped with two stop nut 24, and regulating wheel 7 is located between two stop nut 24, two card strips 25 of the inner wall symmetry fixedly connected with of regulating wheel 7, and the axle wall symmetry of main shaft 4 is seted up two and is blocked strip 25 assorted draw-in groove 26, can carry out nimble regulation to the mounted position of regulating wheel 7, and has improved the convenience of regulating wheel 7 installation.

The pore wall fixedly connected with rubber circle 27 of jack 3, rubber circle 27 movable sleeve locates outside main shaft 4, and rubber circle 27 can seal jack 3, has improved the leakproofness of solid fixed cylinder 2.

Two connecting plates 28 are symmetrically and fixedly connected to the outer wall of the fixed cylinder 2, the two connecting plates 28 are located on the left side of the watchcase 1, and the connecting plates 28 are fixedly connected with the left side wall of the watchcase 1 through fastening bolts so as to be convenient for fixedly mounting the fixed cylinder 2.

In summary, when the position shifter device for adjusting the upper and lower limit pointers of the pressure gauge is used, the pulling plate 811 is pulled, the pulling plate 811 drives the sliding rod 88 to slide in the sliding groove 87, the limit slide block 89 is matched with the limit slide groove 810, so that the slide rod 88 can be prevented from being separated from the slide groove 87, the slide rod 88 is rotated, the slide rod 88 drives the adjusting stud 86 to rotate, the adjusting stud 86 is moved towards the elastic friction collar 82 by the threaded fit between the adjusting stud 86 and the threaded hole 85, the adjusting stud 86 can extrude the elastic friction collar 82 to elastically deform the elastic friction collar 82, therefore, the elastic friction sleeve ring 82 can be tightly attached to the friction ring 81, so that the elastic friction sleeve ring 82 can be always guaranteed to be tightly attached to the friction ring 81, the matching effect between the elastic friction sleeve ring 82 and the friction ring 81 is improved, and the problem that the use effect is reduced after the friction ring 81 is abraded due to long-term use is solved; during the use, twist and move locking bolt 12, through the screw-thread fit between locking bolt 12 and the screw, make locking bolt 12 remove to the direction of keeping away from poker rod 5, remove locking bolt 12 and to the spacing fixed of 5 poles of stirring, the position of poker rod 5 can be adjusted to the pulling poker rod 5 to can finely tune the position of poker rod 5, improved the flexibility ratio of poker rod 5 installation, the effectual flexibility ratio that improves the setting of toggle device.

It should be noted that the term "comprises/comprising" when used in this specification is taken to specify the presence of stated elements, integers, steps, operations, elements, components, and/or groups thereof, but does not exclude the presence or addition of other elements, integers, steps, operations, elements, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. A deflector rod device for adjusting the position of an upper limit pointer and a lower limit pointer of a pressure gauge, which comprises a meter shell (1), it is characterized in that the side wall of the left side of the watchcase (1) is provided with a through hole, a fixed cylinder (2) is fixedly sleeved in the through hole, the bottom of the fixed cylinder (2) is provided with an insertion hole (3), a main shaft (4) is movably sleeved in the insertion hole (3), both ends of the main shaft (4) extend out of the fixed cylinder (2), the shaft wall of the main shaft (4) close to the right end is connected with a poke rod (5), the vertical side wall of the poke rod (5) close to the lower end is fixedly connected with a poke sheet (6), the shaft wall of the main shaft (4) is rotationally connected with the inner wall of the fixed cylinder (2) through a bearing, the shaft wall of the main shaft (4) close to the left end is connected with an adjusting wheel (7), and a friction limiting mechanism (8) is connected between the main shaft (4) and the fixed cylinder (2);

the friction limiting mechanism (8) comprises a friction ring (81) fixedly sleeved outside the main shaft (4), an elastic friction sleeve ring (82) is movably sleeved outside the friction ring (81), a plurality of limiting slide rods (83) are fixedly connected to the outer wall of the elastic friction sleeve ring (82), a plurality of limiting slide holes (84) corresponding to the limiting slide rods (83) are formed in the inner wall of the fixed cylinder (2), the limiting slide rods (83) penetrate through the fixed cylinder (2) through the limiting slide holes (84), two threaded holes (85) are symmetrically formed in the outer wall of the fixed cylinder (2), two adjusting studs (86) are sleeved in the threaded holes (85) in a threaded manner, a sliding groove (87) is formed in one end, far away from the elastic friction sleeve ring (82), of each adjusting stud (86), a sliding rod (88) is movably inserted in the sliding groove (87), and two limiting slide blocks (89) are symmetrically and fixedly connected to the rod wall of the sliding rod (88), two limiting sliding grooves (810) matched with the limiting sliding blocks (89) are symmetrically formed in the groove wall of the sliding groove (87), and one end of the sliding rod (88) extends out of the sliding groove (87) and is fixedly connected with a pull plate (811).

2. The position shifter device for adjusting the upper and lower limit pointers of the pressure gauge according to claim 1, wherein: the utility model discloses a locking bolt, including main shaft (4), setting rod (10), locating piece (11), main shaft (4) are close to the axle wall of right-hand member and have seted up mounting groove (9), the upper end activity of poker rod (5) is pegged graft in mounting groove (9), poker rod (5) are close to rod wall fixedly connected with locating piece (10) of upper end, locating groove (11) with locating piece (10) assorted have been seted up to the left cell wall of mounting groove (9), the screw with mounting groove (9) intercommunication is seted up to the right-hand member of main shaft (4), and the screw internal thread has cup jointed locking bolt.

3. The position shifter device for adjusting the upper and lower limit pointers of the pressure gauge according to claim 1, wherein: the fixed cover of axle wall of main shaft (4) is equipped with ratchet (13), ratchet (13) are located solid fixed cylinder (2), the outer wall of ratchet (13) and the inner wall contactless of solid fixed cylinder (2), mounting hole (14) have been seted up to the inner wall of solid fixed cylinder (2), locking pole (15) have been cup jointed in mounting hole (14) internalization, mounting hole (14) have all been stretched out at the both ends of locking pole (15), the upper end fixedly connected with limiting plate (16) of locking pole (15), locking pole (15) are close to pole wall fixedly connected with baffle (17) of lower extreme, the same reset spring (18) of fixed connection between the inner wall of baffle (17) and solid fixed cylinder (2), the semi-circular fixture block (19) of lower extreme fixedly connected with of locking pole (15).

4. The position shifter device for adjusting the upper and lower limit pointers of the pressure gauge according to claim 1, wherein: outer threaded pipe (20) have been cup jointed to the inner wall screw thread that fixed section of thick bamboo (2) are close to the left end, the left end fixedly connected with closing plate (21) of outer threaded pipe (20), shaft hole (22) have been seted up to closing plate (21) left lateral wall, main shaft (4) run through closing plate (21) through shaft hole (22), the pore wall fixedly connected with sealing washer (23) of shaft hole (22).

5. The position shifter device for adjusting the upper and lower limit pointers of the pressure gauge according to claim 1, wherein: the main shaft (4) is close to the symmetrical screw thread cover of axle wall of left end and is equipped with two stop nut (24), regulating wheel (7) are located between two stop nut (24), two card strip (25) of the inner wall symmetry fixedly connected with of regulating wheel (7), two and card strip (25) assorted draw-in groove (26) have been seted up to the axle wall symmetry of main shaft (4).

6. The position shifter device for adjusting the upper and lower limit pointers of the pressure gauge according to claim 1, wherein: the hole wall fixedly connected with rubber circle (27) of jack (3), rubber circle (27) movable sleeve is located outside main shaft (4).

7. The position shifter device for adjusting the upper and lower limit pointers of the pressure gauge according to claim 1, wherein: the outer wall of the fixed cylinder (2) is symmetrically fixedly connected with two connecting plates (28), the two connecting plates (28) are located on the left side of the watchcase (1), and the connecting plates (28) are fixedly connected with the side wall on the left side of the watchcase (1) through fastening bolts.